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Permitted2025/5062/PSubmitted 11 months agoRear extension

20 Howitt Road Camden NW3 4LL

Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; demolition of existing rear extension and replace with a full width single storey rear extension; installation of two rooflights on front roofslope and two rooflights on rear roofslope; and associated external alterations.

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Map of the site

Progress

Submitted
7 Nov 2025
— completed
Validated
7 Nov 2025
— completed
Consultation
21 Dec 2025
— completed
Target date
1 Apr 2026
— completed
Decided
31 Mar 2026
— completed

Application details

Reference
2025/5062/P
Local authority
Camden
Postcode
NW3 4LL
Ward
Belsize
Application type
All Other
Property type
Flat

Key dates

Submitted
7 Nov 2025
Validated
7 Nov 2025
Comments close
21 Dec 2025
Target decision
1 Apr 2026
Decided
31 Mar 2026

Estimated project value

£285k–£480k

Based on the 118m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 118m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £1,000,000 — the median of the last 7 market sales in NW3 4LL, £825,000 to £2,600,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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.

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