23 Belsize Avenue Camden NW3 4BL
Replacement of existing rear ground floor window with double doors with Juliet balcony and replacement of windows to rear bay window
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Progress
Application details
- Reference
- 2021/0943/P
- Local authority
- Camden
- Postcode
- NW3 4BL
- Ward
- Belsize (Pre May 2022)
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 3 Mar 2021
- Validated
- 3 Mar 2021
- Comments close
- 23 May 2021
- Target decision
- 28 May 2021
- Decided
- 27 May 2021
Estimated project value
£5k–£16k
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: FMB 2026 double glazing guide, 3-bed semi full replacement.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 4 recent sales are listed below.
- FLAT 7, 27 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £700,0004 months ago17 Apr 2026
- FLAT 26, 15 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £780,0009 months ago14 Nov 2025
- FLAT 3, 21 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £550,00017 months ago19 Mar 2025
- FLAT 3, 5 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £1,135,00018 months ago28 Feb 2025
- FLAT 4, 27 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £625,0002 years ago6 Sept 2024
- 9B BELSIZE AVENUE, LONDON, NW3 4BLTerraced · Leasehold · £885,0002 years ago20 Aug 2024
- FLAT 2, 31 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £1,200,0002 years ago19 Apr 2024
- FLAT 4, 11 BELSIZE AVENUE, LONDON, NW3 4BLFlat or maisonette · Leasehold · £1,085,0002 years ago25 Mar 2024
Homes here go for about £832,500 — the median of the last 8 market sales in NW3 4BL, £550,000 to £1,200,000.
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
- Flat A 25 Belsize Avenue London NW3 4BLUnknownNext door
- 14 Village Close Belsize Lane London NW3 5AHUnknownAdjoining
- 15 Belsize Avenue Camden NW3 4BLPermittedAdjoining
- 16 Belsize Lane Camden NW3 5AHPermittedAdjoining
- Belsize Lane Y Camden NW3 5AHPermittedAdjoining
- 31 Belsize Avenue Camden NW3 4BLPermitted48 yd