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North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
18 CHURCH ROAD NORTHWOOD
Single storey side and rear extension involving the demolition of existing
garage to rear.
08/02/2010
Report of the Head of Planning & Enforcement
Address
Development:
LBH Ref Nos: 6532/APP/2010/235
Drawing Nos: EBS 1852
Date Plans Received: Date(s) of Amendment(s):
The site is situated on the east side of Church Road and comprises a semi-detached
property with a hipped roof and front projecting gable. Set just behind and to the side of
the property is an existing detached garage building with a vehicular access/driveway
leading to that building. There is a shared party wall running between the two properties
demarcating the boundary line and the neighbouring property has constructed a similar
proposal to their property, although slightly shallower. The frontage has been laid to
hardstanding, which provides limited off street parking for the dwelling. The si te is within
the Old Northwood Area of Special Local Character as identified in the Hillingdon Unit ary
Development Plan (UDP) (Saved Policies September 2007).
The application seeks planning permission to erect a single storey side/rear extension.
The side extension would be 2.4m wide and 16.3m deep, involving a 7.85m rear
projection, which would replace an existing garage in this position. This 7.85m rear
projection would be 3.2m wide. The reminder of the rear elevation would be finished with a
shallower (3.3m deep) 5m wide extension. The side extension would project forward of the
original property, using the same building line as the porch element. The extensions are
shown to be finished with various pitched and hipped roof forms, at a maximum height of
3.6m.
6532/D/98/0723 18 Church Road Northwood
Erection of a single storey side and rear extension
10-06-1998 Decision Date: Approved
1. CONSIDERATIONS
1.3 Relevant Planning History
1.1 Site and Locality
1.2 Proposed Scheme
27/04/2010 Date Application Valid:
Appeal:
North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
This application is identical to a proposal approved in 1998 (6532/D/98/0723). However,
since that 1998 approval the area has been designated as an Area of Special Local
Character (March 2005). The new scheme should be assessed against its impact on the
character of the area and the guidance on Residential Extensions adopted in July 2006
(revised Dec 2008).
Not applicable
Advertisement and Site Notice 2.
2.1 Advertisement Expiry Date:-
Not applicable 2.2 Site Notice Expiry Date:-
EXTERNAL:
9 neighbours and the Northwood Residents Association consulted, 4 responses have
been received which raise the following issues:
1. We are against this application - as it will detract from the character of the street, and
also could put a strain on the sewage/drainage systems.
2. I have already had 2 lots of super structure work carried out to my property and I am
worried about the further damage this could cause to my foundations and boundary.
3. The new extension would extend past my conservatory, blocking my light and making
my dining room even darker.
4. The whole extension appears to double the floor area, making it overbearing and an
overdevelopment of the site.
5. Parking is also an issue as they have two big vehicles at the moment.
6. There will also be a problem with bins as there will be no rear access - wil l they be left
out the front all the time?
7. I think the extension is not in-keeping with the rest of the properties in the r oad, if No.18
and 16 both do an extension with an adjoining party wall, this will mean my property will be
an end of terrace rather than a semi - reducing its value.
8. These are 1930's houses, so the foundations are not as deep as used today - will this
extension cause damage?
9. There would also be a problem with builders vehicles, which has not been dealt with
10. The other issue is light - these extensions will fill most of the rear garden and due to
the proposed heights will block out light to our habitable rooms
11. Could some measures be put in place to stop the residents of this road using the area
as a car park - perhaps the development of a red route could be an effective way of
stopping the area becoming a car park zone.
Ward Councillor - The extensions are disproportionate to the original dwelling and would
result in the loss of light to No.20. Therefore, requests that application is det ermined at
North Planning Committee.
INTERNAL:
Conservation Officer:
This is a semi-detached property within the Old Northwood Area of Special Local
Character. The scheme is identical to the one approved previously in 1998. Since then,
Comment on Planning History
3. Comments on Public Consultations
North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
UDP / LDF Designation and London Plan
The following UDP Policies are considered relevant to the application:-
Part 1 Policies:
BE5
BE13
BE15
BE19
BE20
BE21
BE23
BE24
New development within areas of special local character
New development must harmonise with the existing street scene.
Alterations and extensions to existing buildings
New development must improve or complement the character of the area.
Daylight and sunlight considerations.
Siting, bulk and proximity of new buildings/extensions.
Requires the provision of adequate amenity space.
Requires new development to ensure adequate levels of privacy to
neighbours.
Part 2 Policies:
the area has been designated as an Area of Special Local Character (March 2005). The
new scheme should be assessed against its impact on the character of the area and the
guidance on Residential Extensions adopted in July 2006 (revised Dec 2008).
COMMENTS: The drawings submitted are very poor in quality and lack details. There are
no existing plans to compare the new scheme against what has been approved in the
past.
It is understood, that the scheme proposes to demolish an existing garage and create a
wrap around side and rear single storey extension part 3.3m deep and part 7.9 m deep.
Since the existing garage is being demolished, any new extension would need to comply
with the Hillingdon Design and Accessibility Statement, Residential Extensions - Dec 2008
which prescribes a maximum depth of 4m for rear extensions. The proposed rear
extension would, therefore, be unacceptable at present.
To the side, the extension is forward of the front of the bay window. This would be
unacceptable in principle and the extension should be set back by a minimum of 1m from
the original main frontage of the property, i.e. beyond the brick porch.
The roof form of the extension is also not clear and does not appear to integrate with the
rear extension. The roof appears to show a lean to roof to the side but appears to have a
dual pitched roof to the rear, joined with the mono pitch roof to the remaining section of
the rear extension. This would be unacceptable in design terms and needs to be resolved.
Overall, the proposed side extension, due to its position and roof form, would be
considered visually intrusive to the character and appearance of the area and would be
unacceptable. The rear extension is over large and excessively deep and does not accord
with our design guidance. It is, therefore, unacceptable. The overall roof form is also
unacceptable in design terms.
CONCLUSION: Unacceptable at present.
4.
North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
AM14
HDAS
LPP 4A.3
New development and car parking standards.
Residential Extensions
London Plan Policy 4A.3 - Sustainable Design and Construction.
5.
MAIN PLANNING ISSUES
The main considerations are design and impact upon the dwelling, the Area of Special
Local Character, the impact upon the amenities of adjoining occupiers, the adequacy of
retained amenity space and car parking considerations.
Policy BE15 of the UDP (Saved Policies September 2007) requires extensions to
harmonise with the scale, form, architectural composition and proportions of the orig inal
building. The adopted Supplementary Planning Document (SPD): Residential Extensions:
Section 3.0 on rear extensions and conservatories: single storey states that careful
thought must be given to the size, depth, location, height and overall appearance of the
extension. Section 3.1 emphasises that the extension should always be designed so as to
appear subordinate to the original house. Section 4.0 in relation to single storey
extensions states again that careful thought should be given to the size, depth, location,
height and overall appearance of any side extension. The design should not dominate the
existing character of the original property but appear subordinate to the main a house.
It is considered that the proposal would not cause an unacceptable loss of light or outlook
to adjoining occupiers. The main properties to be affected would be the immediate
neighbours to either side (Nos. 16 and 20). No.16 (on the south side) has a similar
extension on the shared boundary, at a similar depth, and therefore would not be
materially affected by this proposal. With regard to No.20 (on the north side), thi s property
has a conservatory. The SPD: Residential Extensions: Section 3.1, states, in or der that an
extension would not cause an unacceptable loss of light or outlook to adjoining occupiers
it should not exceed 3.6m deep and the element on this boundary would comply with this
advice, at 3.3m in depth. With regard to the height of the proposed extension Section 3.7
of the SPD: Residential Extensions states this type of roof should not exceed 3.4m in
height. This proposal would again comply with this advice at 3.4m. Therefore, the
proposal is considered to comply with the intentions of Policy BE20 and BE21 of the U DP
(Saved Policies September 2007) and the advice contained within the SPD: Residential
Extensions (2006).
With regard to loss of privacy, it is considered that the proposal would not have an
adverse effect. There are no openings shown in the flank elevations of the extension save
the patio doors that would open onto the applicants garden area and it is considered due
to the single storey nature of the proposal any overlooking concerns could be overcome
by a screen fence condition. Therefore, subject to condition the proposal would accord
with Policy BE24 of the UDP Saved Policies September 2007 and with HDAS
Supplementary Planning Document: Residential Extensions.
It is considered, that all the proposed habitable rooms, and those altered by the
development still maintain an adequate outlook and source of natural light, therefore
complying with Policy 4A.3 of the London Plan (2008).
In terms of design and appearance of the extension, the proposed doors and windows
would reflect the proportions and style of the existing property. However, whilst the
conservation officers concerns (above) are noted in relation to the depth of the proposed
rear extension, it is considered the proposed additional depth on the south side of the site
North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
REFUSAL for the following reasons:
NON2
NON2
Non Standard reason for refusal
Non Standard reason for refusal
The proposed single storey side extension, by reason of its siting, size, bulk, roof design,
would result in an incongruous addition which would be detrimental to the character and
appearance of the existing building, the street scene and the Old Northwood Area of
Special Local Character. The proposal would therefore be contrary to policies BE5,
BE13, BE15 and BE19 of the Hillingdon Unitary Development Plan (Saved Polices,
September 2007) and to the Council's adopted Supplementary Planning Documents
HDAS: Residential Extensions.
The proposal fails to demonstrate that sufficient off street car parking can be prov ided to
accord with the Council's policies and standards, thereby resulting in on-street park ing to
the detriment of highway and pedestrian safety. The proposal is therefore contrary policy
AM14 of the Hillingdon Unitary Development Plan (Saved Polices, September 2007) and
the Council's adopted Supplementary Planning Documents HDAS: Residential
1
2
RECOMMENDATION 6.
would replace an existing garage building in this position and therefore would not result in
the worsening of an existing situation and as such would not warrant the refusal of
planning permission on these grounds alone. Whilst this is the case there are issues i n
relation to the front projection, the proposed roof form and the overall design of the
proposal. With regard to the roof form, it is not clear how this would work, the roof area
finishing the rear projection does not appear to integrate with the remaining rear extensi on
and in relation to the side extension the roof appears to show a lean to roof on the side
elevations but appears to have a dual pitched roof to the rear. Again it is not clear how the
dummy pitch to the front would tie in with the mono-pitched roof behind. Therefore this
would be unacceptable in design terms. The forward projection of the side extension
beyond the front building line of the original dwelling would not be considered acceptable,
as it would detract from the original frontage of the dwelling with its bay w indow feature.
It is therefore considered that the design of the extension is at odds with the archit ectural
merit of the host dwelling. As such, the extension would result in an overly domi nant and
incongruous addition in relation the original property, the Area of Special Local Character
and the wider street scene, and therefore would be contrary with Policies BE5, BE13,
BE15 and BE19 of the UDP (Saved Policies September 2007) and the Supplementary
Planning Document HDAS: Residential Extensions.
The existing garage at the rear of the site would be lost as a result of this dev elopment.
The layout plan shows the provision of two off street parking spaces on the frontage.
However, there are inaccuracies in the layout and dimensions on these plans. Officers
consider that there is insufficient distance between the front of the property and the
footway (ie. less than 4.8m) for vehicles to park at a 90 degree angle to the pavement
edge without overhanging the footway. It is considered, therefore, that the proposals
would not provide satisfactory parking provision to comply with Policy AM14 of the UDP
(Saved Policies September 2007).
A garden of more than 100sq.m would be retained and therefore the proposals would
comply with policy BE23 of the UDP (Saved Polices September 2007).
North Planning Committee - 15th July 2010
PART 1 - MEMBERS, PUBLIC & PRESS
NON2 Non Standard reason for refusal
Extensions.
Despite the lack of accurate and consistent drawings of the original property and
proposed single storey rear/side extension, it is considered that there is suffici ent
information before the Local Planning Authority to satisfy it that the proposal would have
an adverse impact upon the upon the character and appearance of the original dwelling,
the street scene and the Area of Special Local Character and the proposed car parking.
The proposal is therefore contrary to Policies BE5, BE13, BE19, and AM14 of the
Hillingdon Unitary Development Plan (Saved Policies September 2007) and the Council's
adopted Supplementary Planning Documents HDAS: Residential Extensions.
3
INFORMATIVES
Catherine Hems 01895 250230 Contact Officer: Telephone No:
Standard Informatives
1 The decision to REFUSE planning permission has been taken having regard to
all relevant planning legislation, regulations, guidance, circ ulars and Council
policies, including The Human Rights Act (1998) (HRA 1998) which makes it
unlawful for the Council to act incompatibly with Convention r ights, specifically
Article 6 (right to a fair hearing); Article 8 (ri ght to respect for private and family
life); Article 1 of the First Protocol (protection of property) and Article 14
(prohibition of discrimination).
The decision to REFUSE planning permission has been taken having regard to
the policies and proposals in the Hillingdon Unitary Development Plan Saved
Policies (September 2007) set out below, and to all relevant material
considerations, including Supplementary Planning Guidance:
Policy No.
BE5
BE13
BE15
BE19
BE20
BE21
BE23
BE24
AM14
HDAS
LPP 4A.3
New development within areas of special local character
New development must harmonise with the existing street
scene.
Alterations and extensions to existing buildings
New development must improve or complement the character of
the area.
Daylight and sunlight considerations.
Siting, bulk and proximity of new buildings/extensions.
Requires the provision of adequate amenity space.
Requires new development to ensure adequate levels of privacy
to neighbours.
New development and car parking standards.
Residential Extensions
London Plan Policy 4A.3 - Sustainable Design and Construction.
2
LONDON BOROUGH
OF HILLINGDON
Planning &
Community Services
Civic Centre, Uxbridge, Middx. UB8 1UW
Telephone No.: Uxbridge 250111
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Site AddressNotes
For identification purposes only.
© Crown Copyright. All rights reserved.
London Borough of Hillingdon
100019283 2009
Site boundary
This copy has been made by or with
the authority of the Head of Committee
Services pursuant to section 47 of the
Copyright, Designs and Patents
Act 1988 (the Act).
Unless the Act provides a relevant
exception to copyright.
18 Church Road
Northwood
6532/APP/2010/235
North
Planning Application Ref:
Planning Committee Date
Scale
1:1,250
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