41, 43 Brook Street Westminster W1K 4HJ
Detailed drawings and a bio-diversity management plan; detailed drawings of all new windows and doors; detailed design of the ground floor shopfronts; privacy screens between new balconies; replacement mansard roof; balustrades; and new public art screens; photographs and manufacturers specifications of the facing materials, all pursuant to Conditions 17, 24 and 25 of planning permission dated 21 October 2020 (RN: 18/04972)
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Progress
Application details
- Reference
- 20/07638/ADFULL
- Local authority
- Westminster
- Postcode
- W1K 4HJ
- Ward
- WEB_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 10 Dec 2020
- Validated
- 10 Dec 2020
- Target decision
- 4 Feb 2021
- Decided
- 9 Apr 2021
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. 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
- 41, 43 Brook Street Westminster W1K 4HJRefusedNext door
- 41, 43 Brook Street Westminster W1K 4HJPermittedNext door
- 41, 43 Brook Street Westminster W1K 4HJPermittedNext door
- 47, 57 Brook Street Westminster W1K 4HRPendingAdjoining
- 47, 57 Brook Street Westminster W1K 4HRPermittedAdjoining
- 47, 57 Brook Street Westminster W1K 4HRPendingAdjoining