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Permitted2025/3613/PSubmitted over a year agoLoft conversion

Fairhazel Gardens Camden NW6 3SH

I would like to repair or replace some of the existing sash box frames within the flat to address ongoing wear and tear - three of the five windows are in need of complete replacing as they are dormer windows and have been exposed to all the elements of the weather. The windows to be replaced are beyond economical repair and their current condition may lead to weather-tightness issues and water ingress if no action is taken. The remaining two windows require repairs, but replacement is not required. I would also like to improve the energy efficiency of the property by installing slimline heritage double-glazed timber sashes into the repaired/replaced sash box frames. The existing (moving) sashes will be replaced with new timber sashes in the same style, matching the current glazing pattern, with double-glazed units. The glazing will be of a “slimline heritage” type, with 4mm toughened PLANICLEAR glass panes sandwiching an 8mm krypton-filled cavity to yield an expected thermal transmission rate of 1.2 W/(m2K) and outdoor luminous reflectance of 13%. The appearance of the new sashes and box frames will match that of the existing sashes and box frames using timber and the same glazing configuration. The new sashes will be constructed from sapele hardwood timber and painted white, internally and externally. Drawings and photos are attached.

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Progress

Submitted
27 Aug 2025
— completed
Validated
27 Aug 2025
— completed
Consultation
28 Sept 2025
— completed
Target date
22 Oct 2025
— completed
Decided
13 Oct 2025
— completed

Application details

Reference
2025/3613/P
Local authority
Camden
Postcode
NW6 3SH
Ward
South Hampstead
Application type
All Other
Property type
Flat

Key dates

Submitted
27 Aug 2025
Validated
27 Aug 2025
Comments close
28 Sept 2025
Target decision
22 Oct 2025
Decided
13 Oct 2025

Estimated project value

£37k–£100k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £486,225 — the median of the last 8 market sales in NW6 3SH, £250,000 to £650,050.

Contains HM Land Registry data © Crown copyright and database right 2022. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications