Planning application
2026/1498/P
8 Cathcart Street London NW5 3BL
Proposal
Lower ground floor rear extension and creation of front lightwell, lowering of the floor at lower ground floor level, creation of rear roof terrace, replacement windows, changes to rear fenestration and associated works including privacy screen, new side boundary fencing and replacement front railings and steps.
As published by the council, reference 2026/1498/P
Timeline
Dates from the published record
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15 Apr 2026
Received by Camden
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21 Apr 2026
Validated
Checked as complete and ready for consideration.
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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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2023/1632/P Granted
8 Cathcart Street London NW5 3BL
Installation of solar panels to the roof, air source heat pump to the rear elevation, and replacement timber windows and doors to dwellinghouse (Class C3).
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2011/5502/T Granted
5 Cathcart Street LONDON NW5 3BL
REAR GARDEN: 1 x Ceanothus - Cut back to below the split in the trunk.
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2013/8141/P Granted
5 Cathcart Street London NW5 3BL
Replacement of conservatory with two storey rear extension at lower and upper ground floor levels.
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2014/5388/P Granted
5 Cathcart Street London NW5 3BL
Alterations, including replacement of external brickwork, application of grey render and addition of bathroom side window, to rear extension granted planning permission reference 2013/8141/P dated 09/04/14.
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2020/2335/T Granted
4 Cathcart Street London NW5 3BL
REAR GARDEN: 1 x Sycamore - Prune all overhang back to boundary.
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2017/6293/P Granted
Flat 2nd Floor 31 Cathcart Street LONDON NW5 3BJ
Replacement of all uPVC windows at 2nd floor level with taller Crittall framed double glazed windows. Alterations include the widening of a front window, increasing the height to all front windows and the replacement of a rear window with a door.
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.