1A Cavendish Avenue Westminster NW8 9JE
Variation of condition 1 of planning permission dated 10 March 2020 (RN: 19/07210/FULL) for the: Erection of rear dormer roof extension. Internal alterations to the lower ground floor, upper ground floor, and second floor together with the retention and restoration of the original historic features. Replacement of external rear staircase and secondary glazing to existing windows. Proposed landscaping to garden. NAMELY, to amend the approved drawing numbers to allow changes to the layout, rear stairs and associated works. Alterations to fenestration on rear elevation. (Linked to 20/04094/LBC)
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Progress
Application details
- Reference
- 20/04091/FULL
- Local authority
- Westminster
- Postcode
- NW8 9JE
- Ward
- RPC_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 1 Jul 2020
- Validated
- 1 Jul 2020
- Comments close
- 25 Aug 2020
- Target decision
- 26 Aug 2020
- Decided
- 2 Sept 2020
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
New owners, recently moved in. First work on a house usually follows within months of completing.
- 24 CAVENDISH AVENUE, LONDON, NW8 9JEDetached · £9,850,0004 months ago23 Apr 2026
- 26 CAVENDISH AVENUE, LONDON, NW8 9JESemi-detached · £6,450,0003 years ago14 Jul 2023
- 6 CAVENDISH AVENUE, LONDON, NW8 9JETerraced · £6,950,0004 years ago28 Apr 2022
- 8 CAVENDISH AVENUE, LONDON, NW8 9JETerraced · £8,725,0004 years ago31 Mar 2022
- 10 CAVENDISH AVENUE, LONDON, NW8 9JETerraced · £5,850,0005 years ago30 Oct 2020
- 1A CAVENDISH AVENUE, LONDON, NW8 9JEDetached · £6,900,0006 years ago3 Jan 2020
- 1A CAVENDISH AVENUE, LONDON, NW8 9JEDetached · Not a standard market sale · £9,300,0007 years ago22 Jul 2019
- 4 CAVENDISH AVENUE, LONDON, NW8 9JEOther · Not a standard market sale · £7,652,27112 years ago26 Mar 2014
Homes here go for about £6,925,000 — the median of the last 6 market sales in NW8 9JE, £5,850,000 to £9,850,000.
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
- 1A Cavendish Avenue Westminster NW8 9JEPermittedNext door
- 1A Cavendish Avenue Westminster NW8 9JEPermittedNext door
- 1A Cavendish Avenue Westminster NW8 9JEWithdrawnNext door
- 1A Cavendish Avenue Westminster NW8 9JEPermittedNext door
- 1A Cavendish Avenue Westminster NW8 9JEPermittedNext door
- 1A Cavendish Avenue Westminster NW8 9JEPermittedNext door