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Emerging Planning Patterns

Summary: This dashboard provides automated tracking of emerging trends within the London Borough of Hillingdon's planning database, identifying phrases and development types that are appearing significantly more often than they have historically.


The system operates by comparing the vocabulary used in applications from the last six months against a historical baseline dating back to May 2022. Using frequency analysis, it calculates a 'Spike Score' for unique phrases, with mathematical smoothing applied to brand-new terms to provide realistic comparisons. This multi-year baseline allows us to distinguish between standard cyclical development and genuine new arrivals in the planning landscape.

To ensure results are meaningful, the logic filters out administrative planning jargon and merges synonyms, requiring a pattern to appear in at least three unique applications before it is surfaced as a noteworthy trend. This rigorous filtering ensures that only genuine shifts in activity are presented.

By surfacing these patterns, the tool provides a neutral overview of coordinated rollouts—such as telecommunications hubs—and shifts in residential trends like specific types of garage conversions or environmental upgrades. This analysis focuses purely on statistical deviations from normal activity, allowing residents and stakeholders to observe trends as they develop. This ensures that high-frequency planning shifts remain visible even when they are spread across multiple different wards, helping to provide a borough-wide perspective on how Hillingdon is changing.

Pattern: “innovation”

Frequency: 200× higher than normal
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 11th Aug
Undecided
Details pursuant to the discharge of Condition 16 (Phase 1: LON6 - Construction Environmental Management and Logistics Plan) and 46 (Phase 2: Innovation Hub - Construction Environmental Management and Logistics Plan) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 30th Jul
Undecided
Details pursuant to the discharge of Condition 20 (Phase 1: LON6 - Water Infrastructure Details) and 50 (Phase 2: Innovation Hub - Water Infrastructure Details) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 30th Jul
Approval
Details pursuant to the discharge of Condition 22 (Phase 1: LON6 - Microclimate and Wind) and 52 (Phase 2: Innovation Hub - Microclimate and Wind) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
View all 5 applications for this pattern →

Pattern: “external connecting”

Frequency: 50× higher than normal
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 1st Sep
Undecided
Details pursuant to the discharge of Condition 6 (Construction Logistics & Environmental Management Arrangement) and Condition 8 (Low Emission Strategy) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works.) cafe and restaurant, external connecting link building, landscaping and external works. 924/APP/2022/3603 Conditions(s) Conditions 6 and 8
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 19th Aug
Undecided
Variation of Condition 23 (Drainage Strategy) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works.) The variation relates solely to an amendment to the trigger point for the submission of the drainage strategy details required by Condition 23.
DENVILLE HALL DUCKS HILL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 18th Aug
Undecided
Details pursuant to the discharge of Conditions 9 (Bat Mitigation Plan) and 13 (Contamination Verification Report) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works).
View all 4 applications for this pattern →

Pattern: “sloped”

Frequency: 42× higher than normal
19 EASTBURY ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 18th Sep
Undecided
Single storey rear extension. Amendments to front and rear fenestration including relocation the front door. Addition of a dormer window to rear sloped roof to create habitable roofspace. Addition of solar panels to the rear sloped roof. Extension of raised patio.
5 DELAMERE ROAD HAYES
BELMORE 2022 Validated: 14th Sep
Undecided
Erection of an infill single-storey rear extension to the existing rear extension, and amendments to the rear extension from a sloped roof to a flat roof, following retention of the existing front porch.
90 BRIXHAM CRESCENT RUISLIP MIDDLESEX HA4 8TY
RUISLIP MANOR 2022 Validated: 12th Aug
Approval
Erection of a wrap around extension to the front, side and rear, with a sloped roof to the front, and a flat roof to the side and rear with 3 roof lights, and the erection of a single storey outbuilding to the rear garden.
View all 9 applications for this pattern →

Pattern: “comprises”

Frequency: 30× higher than normal
8 PAGET ROAD UXBRIDGE UB10 0SW
HILLINGDON EAST 2022 Validated: 17th Sep
Undecided
The Proposal comprises of change of use from Class C3 (residential dwelling) to Class C4 (HMO for up to 4 persons) and erection of a single storey rear extension.
UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES
HAYES TOWN 2022 Validated: 25th Aug
Undecided
Details pursuant to the discharge of Condition 25 (Air Quality Assessment) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)
UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES
HAYES TOWN 2022 Validated: 10th Jun
Approval
Details pursuant to the discharge of Condition 19 (Detailed Landscape Scheme) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)
View all 6 applications for this pattern →

Pattern: “glazed timber”

Frequency: 30× higher than normal
115-120 TOLLGATE DRIVE HAYES UB4 0NW
BELMORE 2022 Validated: 8th Sep
Undecided
Renewal of single glazed timber windows for like for like with doubel glazed uPVC casement, replacement of the RWG System, along with redecorations to bargeboards and external rendered surfaces.
47-52 TOLLGATE DRIVE HAYES UB4 0NP
BELMORE 2022 Validated: 17th Aug
Approval
External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.
112-114 TOLLGATE DRIVE HAYES UB4 0NW
BELMORE 2022 Validated: 17th Aug
Approval
External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.

Pattern: “kit”

Frequency: 30× higher than normal
1330 UXBRIDGE ROAD HAYES
CHARVILLE 2022 Validated: 11th Sep
Undecided
Installation of fascia sign, 2x condensers to rear and 2x kitchen vents to the roof (amended description)
NATIONWIDE BUILDING SOCIETY 9 MAXWELL ROAD NORTHWOOD
NORTHWOOD 2022 Validated: 28th Aug
Undecided
Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch.
37 EDGAR ROAD YIEWSLEY UB7 8HN
YIEWSLEY 2022 Validated: 26th Aug
Undecided
The property is in use as a Class C4 House in Multiple Occupation (HMO) comprising six individual lettable rooms occupied by unrelated residents who share communal kitchen and circulation facilities. The use was fully established and actively occupied prior to the Article 4 Direction coming into force on 11 December 2025, as evidenced by statutory declarations, tenancy agreements, operational invoices, management statements, bank records and written confirmation from the Council's Planning Enforcement Officer following site inspections on 9 July 2025 and 1 September 2025.
View all 7 applications for this pattern →

Pattern: “reconstituted”

Frequency: 30× higher than normal
24 THE DRIVE ICKENHAM
ICK/HAM & S HF/D 22 Validated: 27th Aug
Undecided
Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/1664, dated 25-08-26(Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/928, dated 11-06-2026 (Erection of part single-storey, part two-storey front, side, and rear extensions, including conversion of existing garage into habitable space, conversion of roof space into habitable space including the construction of two rear dormers, two front dormers, the installation of four roof lights, and amendments to fenestration.) to alter internal layouts and depth of proposed extensions.) to amend the fenestration, including repositioning of the principal entrance door, revised window proportions and glazing patterns, and the addition of a large window above the entrance; removal of the semi-circular bay windows and replacement of the associated hipped roof with a gable feature; introduction of a portico entrance detail; installation of an additional rear roof light; and incorporation of reconstituted Bath Stone quoins and stone banding to the front elevation.) to increase the depth of the single-storey rear extension with an additional 4 metres and introduce additional windows, sliding doors with a Juliet balcony, and two additional roof lights. (amended description)) to extend the 4m single storey rear across the main house with additional two roof light and to extend single storey left hand side 2m further.
24 THE DRIVE ICKENHAM
ICK/HAM & S HF/D 22 Validated: 2nd Jul
Approval
Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/928, dated 11-06-2026 (Erection of part single-storey, part two-storey front, side, and rear extensions, including conversion of existing garage into habitable space, conversion of roof space into habitable space including the construction of two rear dormers, two front dormers, the installation of four roof lights, and amendments to fenestration.) to alter internal layouts and depth of proposed extensions.) to amend the fenestration, including repositioning of the principal entrance door, revised window proportions and glazing patterns, and the addition of a large window above the entrance; removal of the semi-circular bay windows and replacement of the associated hipped roof with a gable feature; introduction of a portico entrance detail; installation of an additional rear roof light; and incorporation of reconstituted Bath Stone quoins and stone banding to the front elevation.) to increase the depth of the single-storey rear extension with an additional 4 metres and introduce additional windows, sliding doors with a Juliet balcony, and two additional roof lights. (amended description)
24 THE DRIVE ICKENHAM
ICK/HAM & S HF/D 22 Validated: 16th Apr
Approval
Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2025/2315, dated 09-10-2025 (Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2025/1111, dated 13-06-2025 (Erection of part single-storey, part two-storey front, side, and rear extensions, including conversion of existing garage into habitable space, conversion of roof space into habitable space including the construction of two rear dormers, two front dormers, the installation of four roof lights, and amendments to fenestration.) to alter internal layouts and depth of proposed extensions.) to amend the fenestration, including repositioning of the principal entrance door, revised window proportions and glazing patterns, and the addition of a large window above the entrance; removal of the semi-circular bay windows and replacement of the associated hipped roof with a gable feature; introduction of a portico entrance detail; installation of an additional rear roof light; and incorporation of reconstituted Bath Stone quoins and stone banding to the front elevation.

Pattern: “bath”

Frequency: 30× higher than normal
24 THE DRIVE ICKENHAM
ICK/HAM & S HF/D 22 Validated: 27th Aug
Undecided
Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/1664, dated 25-08-26(Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/928, dated 11-06-2026 (Erection of part single-storey, part two-storey front, side, and rear extensions, including conversion of existing garage into habitable space, conversion of roof space into habitable space including the construction of two rear dormers, two front dormers, the installation of four roof lights, and amendments to fenestration.) to alter internal layouts and depth of proposed extensions.) to amend the fenestration, including repositioning of the principal entrance door, revised window proportions and glazing patterns, and the addition of a large window above the entrance; removal of the semi-circular bay windows and replacement of the associated hipped roof with a gable feature; introduction of a portico entrance detail; installation of an additional rear roof light; and incorporation of reconstituted Bath Stone quoins and stone banding to the front elevation.) to increase the depth of the single-storey rear extension with an additional 4 metres and introduce additional windows, sliding doors with a Juliet balcony, and two additional roof lights. (amended description)) to extend the 4m single storey rear across the main house with additional two roof light and to extend single storey left hand side 2m further.
56 ROYAL LANE YIEWSLEY
YIEWSLEY 2022 Validated: 20th Jul
Approval
Non-material amendment to planning permission ref. 36167/APP/2025/3233 as amended by application reference 36167/APP/2026/738 dated 13-03-26 (Erection of single storey side extension) to relocated entrance hall and bedroom 5 partitioning wall, relocated existing main entrance door, split bathroom on ground floor to create x2 bathrooms and install a new roof window for side extension in bedroom 5.
24 THE DRIVE ICKENHAM
ICK/HAM & S HF/D 22 Validated: 2nd Jul
Approval
Variation of Condition 2 (Approved Plans) of planning permission ref. 20093/APP/2026/928, dated 11-06-2026 (Erection of part single-storey, part two-storey front, side, and rear extensions, including conversion of existing garage into habitable space, conversion of roof space into habitable space including the construction of two rear dormers, two front dormers, the installation of four roof lights, and amendments to fenestration.) to alter internal layouts and depth of proposed extensions.) to amend the fenestration, including repositioning of the principal entrance door, revised window proportions and glazing patterns, and the addition of a large window above the entrance; removal of the semi-circular bay windows and replacement of the associated hipped roof with a gable feature; introduction of a portico entrance detail; installation of an additional rear roof light; and incorporation of reconstituted Bath Stone quoins and stone banding to the front elevation.) to increase the depth of the single-storey rear extension with an additional 4 metres and introduce additional windows, sliding doors with a Juliet balcony, and two additional roof lights. (amended description)
View all 6 applications for this pattern →

Pattern: “cables”

Frequency: 30× higher than normal
Land Between NG Laleham Substation & Manor Farm Slough OUTBOROUGH MIDDLESEX
H/ROW VILLAGES 2022 Validated: 24th Aug
Undecided
Installation of underground and ground mounted structures to support electrical connection and communication cables with temporary construction compounds, and associated infrastructure and works
Land Between NG Iver Substation & Manor Farm Slough OUTBOROUGH MIDDLESEX
COLHAM & COWLEY Validated: 24th Aug
Undecided
Installation of underground and ground mounted structures to support electrical connection and communication cables with temporary construction compounds, and associated infrastructure and works
BUCKINGHAMSHIRE COUNTY COUNCIL OUTBOROUGH MIDDLESEX
UXBRIDGE 2022 Validated: 24th Apr
Undecided
Installation of underground and ground mounted structures to support electrical connection and communication cables with temporary construction compounds, and associated infrastructure and works, at Land Along Cherry Tree Lane, Iver Lane, Ford Lane, Thorney Lane North, Thorney Lane South, Bathurst Walk, Syke Ings, Syke Cluan and North Park, Iver (Consultation by Buckinghamshire Council).

Pattern: “separate amenity”

Frequency: 30× higher than normal
73 KEITH ROAD HAYES
HAYES TOWN 2022 Validated: 6th Jul
No Further Action(P)
Subdivision of plot into 2 separate amenity spaces for the existing dwellinghouse (1 x 3-bed) and the erection of double storey side and part single storey, part double storey rear extension for an attached dwellinghouse (1 x 2-bed), to include fencing, bin storage, all following the demolition of the existing detached garage.
163 LANSBURY DRIVE HAYES
BELMORE 2022 Validated: 30th Jun
Approval
Change of use from one Class C3 (dwellinghouse) into 2 x self-contained flats (1 x 1-bed and 1 x studio), to include a separate amenity place, cycle storage, and bins. Erection of part single storey, part double storey rear extension, rear dormer, roof lights to the front, and a front porch, following the demolition of an existing outbuilding.
163 LANSBURY DRIVE HAYES
BELMORE 2022 Validated: 24th Apr
Approval
Change of use from one Class C3 (dwellinghouse) into 2 x self- contained flats (1 x 1-bed and 1 x studio), to include a separate amenity place, cycle storage, and bins. Erection of part single storey, part double storey rear extension, rear dormer, roof lights to the front, and a front porch, following the demolition of an existing outbuilding.

Pattern: “certification”

Frequency: 30× higher than normal
29 POTTER STREET NORTHWOOD
NORTHWOOD HILLS 2022 Validated: 2nd Jul
Approval
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 2 roof lights, conversion of roof from hip to gable end with new gable end window (Application for a Certification of Lawful Development for a Proposed Development)
72 HAREFIELD ROAD UXBRIDGE
UXBRIDGE 2022 Validated: 29th Jun
Approval
Details pursuant to the discharge of Conditions 7 (proposed privacy screening), 8 (Parking Design and Management Plan), 9 (provision of active electric vehicle charging points), 10 (cycle storage) & 13 (Certification of compliance with Part M4 (2)) of planning permission ref. 25767/APP/2024/2484, dated 07-04-25 (Demolition of existing dwelling and erection of building to provide 3 x 1-bed, 5 x 2-bed, 1 x 3 bed flats with associated parking and amenity space.)
10 WESTFIELD WAY RUISLIP
RUISLIP MANOR 2022 Validated: 18th Jun
Approval
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window, 2x front roof lights, and an outbuilding to the rear garden (Application for a Certification of Lawful Development for a Proposed Development)

Pattern: “combustible”

Frequency: 23× higher than normal
260 FIELD END ROAD RUISLIP
EASTCOTE 2022 Validated: 7th Sep
Undecided
Replacing combustible external cladding materials (ACM & XPS spandrels), installing fire cavity barriers, breather membranes and other associated materials. No change to overall aesthetic appearance of the building. (Application for a Certificate of Lawfulness).
BITTERN HOUSE 28 WRAYSBURY DRIVE YIEWSLEY UB7 7FH
YIEWSLEY 2022 Validated: 23rd Jul
Approval
External remediation works comprising the localised removal and reinstatement of brickwork and cladding, installation of cavity barriers and fire-stopping measures, and replacement of combustible materials with non-combustible alternatives, with external finishes reinstated on a like for like basis. (Application for a Certificate of Lawful Development for a Proposed Development)
BUSHY LODGE 5 PENNYROYAL DRIVE WEST DRAYTON
WEST DRAYTON 2022 Validated: 29th Jun
Approval
Replacement of existing combustible decking boards and decking joists with a non-combustible aluminium decking system (Application for a Certificate of Lawful Development for a Proposed Development)
View all 4 applications for this pattern →

Pattern: “part five”

Frequency: 22× higher than normal
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 18th Aug
Undecided
Details pursuant to the discharge of Condition 7 (Energy Assessment) of planning permission reference 43495/APP/2020/888 dated 26.01.2022 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage)
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 31st Jul
Undecided
Minor material amendment (s73) to Conditions 2 (Approved Plans), Condition 3 (General Compliance with Supporting Documents) and Condition 9 (Landscaping, Car Parking and Refuse/Cycle Storage) of planning consent reference: 43495/APP/2020/888 dated 17-11-20 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage). Amendments seek to allow internal and external alterations comprising revised floor layouts and access cores; an increase in the maximum building height of approximately 2 metres; a revised roof form, fenestration, balconies and terraces; additional plant and fire-safety infrastructure; revised refuse and cycle-storage arrangements; a reduction in communal amenity space; a reduction in the cycle storage from 61 to 40 spaces; and an associated change in the affordable housing tenure to 100% social rent, to be secured through a Deed of Variation to the original Section 106 agreement. (AMENDED DESCRIPTION)
WEIR HOUSE, 50 RIVERSIDE WAY UXBRIDGE
UXBRIDGE 2022 Validated: 30th Jul
Approval
Details pursuant to the discharge of Condition 14 (Step free access) of planning permission reference 43495/APP/2020/888 dated 26.01.2022 (Demolition of existing building and the erection of a part four and part five storey block providing 34 residential units (Use Class C3); associated access and other works including landscaping and amenity space, car and cycle parking and refuse storage) as amended under 43495/APP/2023/1669 dated 05.07.2023
View all 9 applications for this pattern →

Pattern: “internal road”

Frequency: 16× higher than normal
UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES
HAYES TOWN 2022 Validated: 25th Aug
Undecided
Details pursuant to the discharge of Condition 25 (Air Quality Assessment) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 11th Aug
Undecided
Details pursuant to the discharge of Condition 16 (Phase 1: LON6 - Construction Environmental Management and Logistics Plan) and 46 (Phase 2: Innovation Hub - Construction Environmental Management and Logistics Plan) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
WOOD END 2022 Validated: 30th Jul
Undecided
Details pursuant to the discharge of Condition 20 (Phase 1: LON6 - Water Infrastructure Details) and 50 (Phase 2: Innovation Hub - Water Infrastructure Details) of planning permission ref. 78343/APP/2025/719, dated 20.05.2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).)
View all 10 applications for this pattern →

Pattern: “which includes”

Frequency: 16× higher than normal
BRAINTREE INDUSTRIAL ESTATE BRAINTREE ROAD RUISLIP
SOUTH RUISLIP 2022 Validated: 13th Aug
Approval
Non-material amendment to planning permission ref. 7215/APP/2020/2901 (as amended), dated 03-12-20 (Request for approval of Plans and specifications under condition imposed by Schedule 17 to the High Speed Rail (London - West Midlands) Act 2017 relating to a head house (South Ruislip Vent Shaft Head House) compound, which includes the vent shaft headhouse building, the fan room building, two ventilation stacks, road vehicle parking, an Autotransformer Station, earthworks for retaining walls and associated fencing and artificial lighting units) to allow for the provision of additional compound security fencing, minor earthworks near this additional fence to direct surface water to the drainage retention basin, and the relocation of a lighting column.
279 LONG LANE HILLINGDON
HILLINGDON EAST 2022 Validated: 10th Aug
Undecided
Subdivision of plot and erection of two-storey, 3-bedroom dwellinghouse to the rear garden, which includes a new access and parking provision.
49 GLEDWOOD AVENUE HAYES
BELMORE 2022 Validated: 28th Jul
Refusal
Change of use from Class C3 (Dwellinghouse) to Class C4 (HMO for up to 5 persons), which includes the installation of wooden fencing to the rear for rear amenity, bike and bin storage
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