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Permitted2025/0544/PSubmitted over a year agoRear extension

Hollycroft Avenue Camden NW3 7QJ

Erection of a single-storey rear extension following demolition of the existing; partial excavation to existing lower ground floor level; installation of parapet and planters for use of roof to extension as a terrace with new external steps and access from new rear upper ground floor level doors; removal of external steps and new entrance to side elevation; alterations and new windows to rear, side and front elevations, including new bay window at lower ground floor following the removal of existing garage door to front elevation; and installation of new planter to driveway.

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Progress

Submitted
21 May 2025
— completed
Validated
21 May 2025
— completed
Consultation
29 Jun 2025
— completed
Target date
16 Feb 2026
— completed
Decided
16 Feb 2026
— completed

Application details

Reference
2025/0544/P
Local authority
Camden
Postcode
NW3 7QJ
Ward
Frognal
Application type
All Other
Property type
House

Key dates

Submitted
21 May 2025
Validated
21 May 2025
Comments close
29 Jun 2025
Target decision
16 Feb 2026
Decided
16 Feb 2026

Estimated project value

£76k–£125k

Based on the 31.0m² 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: 31

Recently sold nearby

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

Homes here go for about £3,000,000 — the median of the last 7 market sales in NW3 7QJ, £347,500 to £5,300,000.

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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