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Permitted24/07239/FULLSubmitted 2 years agoBasement

23, 25 Eastcastle Street Westminster W1W 8DF

Change of use of the ground floor and basement to a gallery, performance and event space (Sui Generis use) for a temporary period of 10 years [amended description]

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Progress

Submitted
17 Oct 2024
— completed
Validated
17 Oct 2024
— completed
Consultation
10 Jan 2025
— completed
Target date
12 Dec 2024
— completed
Decided
19 Feb 2025
— completed

Application details

Reference
24/07239/FULL
Local authority
Westminster
Postcode
W1W 8DF
Ward
WEW_22
Application type
All Other

Key dates

Submitted
17 Oct 2024
Validated
17 Oct 2024
Comments close
10 Jan 2025
Target decision
12 Dec 2024
Decided
19 Feb 2025

Estimated project value

£2960k–£4445k

Based on the 548m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².

Floor area gained: 548.49m²

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.

Homes here go for about £735,000 — the median of the last 6 market sales in W1W (the wider postcode district), £485,000 to £1,150,000.

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.

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