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Permitted25/02407/FULLSubmitted over a year agoRear extension

8 Bentinck Street Westminster W1U 2BJ

Erection of a rear extension from lower ground floor to 1st floor including new plant enclosure with associated plant, green roof and terraces spaces. Repairs throughout including entrance steps, paving stone, stairs, plasterwork and floors. Damp proofing to vaults and lower ground floor. Fire works to doors and floors to improve compartmentalisation. Minor internal configuration including removal of modern partitions to form new WC, teapoints and shower room. Insulation to roof and lower ground floor walls and floor. New rooflights and CCTV. (Linked with 25/02408/LBC) [Amended description and amended plans].

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Progress

Submitted
8 Apr 2025
— completed
Validated
8 Apr 2025
— completed
Consultation
15 May 2025
— completed
Target date
3 Jun 2025
— completed
Decided
17 Sept 2025
— completed

Application details

Reference
25/02407/FULL
Local authority
Westminster
Postcode
W1U 2BJ
Ward
MBW_22
Application type
All Other
Property type
House

Key dates

Submitted
8 Apr 2025
Validated
8 Apr 2025
Comments close
15 May 2025
Target decision
3 Jun 2025
Decided
17 Sept 2025

Estimated project value

£76k–£125k

Based on the 31.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 31

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 £1,175,000 — the median of the last 5 market sales in W1U (the wider postcode district), £685,000 to £1,500,000.

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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