40 Upper Brook Street Westminster W1K 7QW
Variation of condition 1 of planning permission dated 15 August 2019 (RN:19/04264/FULL) for: 'Amalgamation of 39 and 40 Upper Brook Street to create a single residential unit (Class C3) and separation of 24 Culross Street (currently part of a single residential unit with 40 Upper Brook Street) to establish as a separate self-contained residential unit (Class C3) and external alterations to 39 Upper Brook Street including provision of a basement level, alterations to the existing rear terrace area at first floor level and replacement plant (including enclosure) at roof level.' Namely to widen the previously consented open topped acoustic louvred plant enclosure to the roof of 39 Upper Brook Street, replace the exsting metal railings to the front elevation of 40 Upper Brook Street and replace the painted render finish to the facade of 40 Upper Brook Street with render finish incorporating Portland stone dust.
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Progress
Application details
- Reference
- 21/03716/FULL
- Local authority
- Westminster
- Postcode
- W1K 7QW
- Ward
- WEB_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 8 Jun 2021
- Validated
- 8 Jun 2021
- Comments close
- 7 Jul 2021
- Target decision
- 3 Aug 2021
- Decided
- 22 Feb 2022
Estimated project value
£135k–£340k
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: trade estimate.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- FLAT B, 9 - 10 AVERY ROW, LONDON, W1K 4ALFlat or maisonette · Leasehold · £865,0002 months ago3 Aug 2026
- 74 GROSVENOR STREET, LONDON, W1K 3JROther · Leasehold · Not a standard market sale · £7,597,9574 months ago22 Jun 2026
- 31 - 33 GROSVENOR HILL, LONDON, W1K 3QUOther · Leasehold · Not a standard market sale · £2,373,1154 months ago22 Jun 2026
- 70 PARK STREET, LONDON, W1K 2JTTerraced · £4,000,0004 months ago19 Jun 2026
- APARTMENT 6, 17 THREE KINGS YARD, LONDON, W1K 4JTFlat or maisonette · Leasehold · £3,950,0004 months ago8 Jun 2026
- 5A MOUNT STREET, LONDON, W1K 3NEFlat or maisonette · Leasehold · £6,400,0004 months ago5 Jun 2026
- 9 SOUTH STREET, LONDON, W1K 2XAOther · Leasehold · Not a standard market sale · £12,000,0005 months ago20 May 2026
- 7 AVERY ROW, LONDON, W1K 4ALFlat or maisonette · Leasehold · Not a standard market sale · £710,0005 months ago7 May 2026
Homes here go for about £3,975,000 — the median of the last 4 market sales in W1K (the wider postcode district), £865,000 to £6,400,000.
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
- 40 Upper Brook Street Westminster W1K 7QWPermittedNext door
- 39 Upper Brook Street Westminster W1K 7QQPermittedNext door
- 39 Upper Brook Street Westminster W1K 7QQPermittedNext door
- 40 Upper Brook Street Westminster W1K 7QWWithdrawnNext door
- 39 Upper Brook Street 24 Culross Street Westminster W1K 7QQPermittedNext door
- 39 Upper Brook Street Westminster W1K 7QQPermittedNext door