Single storey rear and side extension
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Residential Amenity
Extensions
Character & Appearance
Inspector’s Reasoning
Appeal Decision
Site visit made on 17 July 2019
by Ian Harrison BA Hons DipTP MRTPI
an Inspector appointed by the Secretary of State.
Decision date: 3 September 2019
Appeal Ref: APP/T5150/D/3229565
23 Lancelot Avenue, Wembley HA0 2BA
• The appeal is made under section 78 of the Town and Country Planning Act 1990
against a refusal to grant planning permission.
• The appeal is made by Ms Kanaleswary Kanagasundaram against the decision of the
Council of the London Borough of Brent.
• The application Ref 19/0689, dated 21 February 2019, was refused by notice dated
16 April 2019.
• The development is a single storey rear and side extension.
Decision
1. The appeal is allowed and planning permission is granted for a single storey
rear and side extension at 23 Lancelot Avenue, Wembley HA0 2BA in
accordance with the terms of the application, Ref 19/0689, dated 21 February
2019, subject to the following condition:
1) The development hereby permitted is that which is shown on the following
approved plans: S001, S002 and S003.
Procedural Matters
2. The description of development in the heading above has been taken from the
planning application form. In Part E of the appeal form it is stated that the
description of development has not changed but, nevertheless, a different
wording has been entered. Neither of the main parties has provided written
confirmation that a revised description of development has been agreed.
Accordingly, I have used the one given on the original application.
3. The documentation indicates that the application is for a development that has
already been undertaken. However, I have observed that an additional canopy
has been provided at the rear of the extension that is not shown on the
submitted plans. This decision is based on the submitted plans.
Main Issues
4. The main issues are:
• The effect on the character and appearance of the area.
• The effect on the living conditions of the occupants of the neighbouring
dwellings of 21 and 25 Lancelot Avenue.
Appeal Decision APP/T5150/D/3229565
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Reasons
Character and Appearance
5. The dwelling is located within a street of suburban character consisting of semi-
detached and terraced dwellings. It appears that most dwellings feature
extensions or outbuildings and as such there is some variety to the appearance
of the dwellings. The semi-detached dwelling at the appeal site benefits from
an outbuilding within the garden and a single storey rear projection has been
extended to the rear. Two side extensions have also been added with one
having a brown painted render finish and the other being a timber storage
structure.
6. A gated alleyway exists between the appeal site and 25 Lancelot Avenue which
enables the extensions to be seen from the public domain, albeit with the rear
extension being only partially visible.
7. The rear extension has a conventional appearance which, despite its depth,
appears as a subordinate addition to the host dwelling. Whilst the extension
exceeds the limitations set out in the Residential Extensions and Alterations
Design Guide SPD2 2017 (SPD), the development does not conflict with the
overarching aim of section 2.3 of that document which is to ensure that rear
extensions are designed to respect the character and size of a house and that
extensions to previous extensions are well designed and integrated. The brick-
built and flat roofed appearance is similar to a number of other single storey
rear projections at other properties within the locality and as such the
development does not conflict with the established character and appearance of
the area.
8. The side extensions are more prominent but also appear as small and
subservient additions that have a minimal impact on the character of the area
due to their recessed position relative to the site frontage. The materials used
contrast with the host dwelling, but the use of render is not uncommon within
the locality and the timber gives the storage extension an impression of
subservience to the host dwelling. Therefore, the materials combine to soften
the appearance of the development rather than adding to its prominence. The
choice of colour is not visually harmful and as such it is considered that the
suggestion to paint the side extensions a different colour is not necessary to
make the development acceptable.
9. I therefore conclude that the development does not have an unacceptable
effect on the character and appearance of the area. The proposal is therefore
in accordance with policy DMP1 of the London Borough of Brent Local Plan
Development Management Policies 2016 (LPDMP) and the SPD, which combine
to require that development is of a layout, scale, materials, detailing and
design that complements the locality.
Effect on Living Conditions
10. The neighbouring dwelling of 25 Lancelot Avenue features a deep single storey
extension, with no windows in the side elevation, and is separated from the
appeal site by the abovementioned alleyway. As such the extension at the
appeal site has no harmful impacts on the living conditions of the occupants of
the neighbouring dwelling. The side facing window does not cause a loss of
privacy in the neighbouring property and therefore the suggestion to require
Appeal Decision APP/T5150/D/3229565
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the installation of obscured glass is not necessary to make the development
acceptable.
11. The attached neighbouring dwelling of 21 Lancelot Avenue features ground
floor doors and windows in the rear elevation. The dwelling has not been
extended to the rear and sits between two dwellings that have been the subject
of single storey rear extensions. Although the enlarged rear projection at the
appeal site extends significantly along the shared boundary and is visible above
the established boundary treatments, the height of the extension is not so
much taller than those boundaries that it has a harmfully overbearing effect or
causes a sense of enclosure that unacceptably affects living conditions. The
size of the garden of the neighbouring dwelling ensures that the habitable
rooms retain a suitable outlook and as such the extension has not had an
overpowering effect that would materially harm the occupant’s living
conditions. Moreover, the light received within the habitable rooms and the
garden area adjacent to the dwelling is not unacceptably affected due to the
relatively minor increase in the built form in comparison to the combination of
the original projection and the boundary fence.
12. I therefore conclude that the development does not have an unacceptable
effect on the living conditions of the occupants of 21 and 25 Lancelot Avenue.
The proposal is therefore in accordance with policy DMP1 of the LPDMP and the
SPD, which combine to require that development provides high levels of
internal and external amenity and protects neighbouring residential amenity.
Conclusion and Conditions
13. For the reasons given, I conclude that the appeal should be allowed. As the
development has been completed, I consider the only condition necessary is a
condition to state that the approved development is that which is shown on the
submitted plans, in the interests of clarity and to address the procedural matter
set out above.
Ian Harrison
INSPECTOR
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