Proposal
Erection of a mansard roof with a roof light, two dormers at the front behind the existing parapet, aligned to the windows below and one dormer at the rear, centred to the elevation.
As published by the council, reference 25-00125-HAPP
Timeline
Dates from the published record
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4 Jul 2025
Decision issued: Non-Determination: would have refused
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22 Jul 2026
Added to PlanIndex
What happens at appeal
The process from here
This application is at appeal, which passes the decision from the council to the national planning inspectorate, or in Scotland usually to a local review body first. The appeal considers the scheme afresh against the same policies.
Anyone who commented on the original application is normally notified and can comment again within the appeal deadline. Appeal decisions take months rather than weeks, and the outcome replaces the council's decision.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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2018/2442/P Withdrawn
1 Spencer Rise London NW5 1AR
Excavation of single storey basement underneath the residential building (Class C3) with front and rear closed ligthwells.
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2022/1407/P Refused
1 Spencer Rise London Camden NW5 1AR
Erection of mansard roof extension with two front dormers and one rear dormer, one rooflight on top.
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2018/0930/P Refused
1 Spencer Rise London NW5 1AR
Erection of a mansard roof extension with 2 x front dormers.
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2020/3977/T Granted
1C Spencer Rise London NW5 1AR
REAR GARDEN: Mixed Species Climbers (CG1) - Fell to ground level. 1 x Ceanothus (S1) - Fell to ground level.
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2020/4371/T Granted
1C Spencer Rise London NW5 1AR
REAR GARDEN: 1 x Ceanothus (T1) - Fell to ground level. FRONT GARDEN: 1 x Bird Cherry (T3) - Fell to ground level.
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2026/3008/P Awaiting decision
1 B Spencer Rise London NW5 1AR
Replacement of single-glazed timber sliding sash windows with vacuum-glazed timber sliding sash windows.
Other householder applications
In Camden
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2026/3241/P Awaiting decision
15 Eton Villas London NW3 4SG
Single storey rear extension, installation of double-glazed windows and doors, new air-conditioning units, landscaping to rear garden and erection of outbuilding amongst other alterations to the property.
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2026/1084/P Granted
13 Hampstead Hill Gardens London NW3 2PH
Erection of a single storey lower ground floor rear extension following demolition of existing orangery, part enclosure of the existing inset terraces and installation of enlarged rooflight at rear roof level, new window at rear first floor level, replacement roof and installation of rooflight to convert existing garage into habitable space with cycle storage, and replacement windows and doors to all external elevations.
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2026/3200/P Awaiting decision
22 Redington Road London NW3 7RG
Retrospective application for the erection of replacement bin store.
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2026/3150/P Awaiting decision
16 Alvanley Gardens London NW6 1JD
Erection of side and rear extensions at ground and first-floor levels; alterations to the roof including the installation of four rooflights, eight solar panels and four dormer windows to the side and rear roof slopes; installation of external solar shading; replacement of existing single-glazed windows with triple-glazed windows; and installation of external wall insulation to the side and rear elevations to improve the building's energy efficiency.
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2026/3145/P Awaiting decision
3 Christchurch Hill London NW3 1JY
Excavation of the existing front vaults to provide additional amenity floorspace, enlargement of the existing front and rear roof dormers, alterations to the front boundary treatment and associated landscaping, alterations to the rear hard landscaping, including the creation of a new garden with level access; infilling of the first-floor rear balcony to create a new study; installation of a rain garden on the roof of the existing first-floor rear outshot; replacement of existing timber windows and lead roofing; and relocation of the existing rooflight at third-floor level.