3 Belsize Mews Camden NW3 5AT
Erection of a dormer to rear roofslope (retrospective)
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Progress
Application details
- Reference
- 2025/2354/P
- Local authority
- Camden
- Postcode
- NW3 5AT
- Ward
- Belsize
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 11 Jun 2025
- Validated
- 11 Jun 2025
- Comments close
- 13 Jul 2025
- Target decision
- 6 Aug 2025
- Decided
- 5 Aug 2025
Estimated project value
£950–£2k
Based on the 0.6m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 0.6m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.
- 7 BELSIZE MEWS, LONDON, NW3 5ATSemi-detached · £1,842,7504 months ago17 Apr 2026
- 8 BELSIZE MEWS, LONDON, NW3 5ATFlat or maisonette · £1,610,00016 months ago30 Apr 2025
- 3 BELSIZE MEWS, LONDON, NW3 5ATTerraced · Not a standard market sale · £1,650,0009 years ago15 Aug 2017
- 9 BELSIZE MEWS, LONDON, NW3 5ATTerraced · £1,070,00010 years ago6 Nov 2015
- FIRST FLOOR APARTMENT, 13 BELSIZE MEWS, LONDON, NW3 5ATFlat or maisonette · Leasehold · £900,00013 years ago5 Jul 2013
- SECOND FLOOR APARTMENT, 14 BELSIZE MEWS, LONDON, NW3 5ATFlat or maisonette · Leasehold · £770,00015 years ago16 May 2011
- 4 BELSIZE MEWS, LONDON, NW3 5ATFlat or maisonette · £1,150,00017 years ago22 May 2009
- 4 BELSIZE MEWS, LONDON, NW3 5ATFlat or maisonette · £1,050,00018 years ago1 Feb 2008
Homes here go for about £1,070,000 — the median of the last 7 market sales in NW3 5AT, £770,000 to £1,842,750.
Contains HM Land Registry data © Crown copyright and database right 2026. 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
- 3 Belsize Mews Camden NW3 5ATPermittedNext door
- 3 Belsize Mews Camden NW3 5ATPermittedNext door
- 3 Belsize Mews London NW3 5ATPermittedNext door
- 11 Belsize Avenue Camden NW3 4BLPermittedNext door
- Flat A 9 Belsize Avenue London NW3 4BLUnknownAdjoining
- 7 Belsize Avenue Camden NW3 4BLUnknownAdjoining