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Permitted22/08540/FULLSubmitted 3 years agoBasement

22, 23 Little Portland Street Westminster W1W 8BU

Erection single storey extension within rear lightwell at basement level to provide additional office accommodation (Class E) with courtyard above. Alterations at rear fourth floor to create a terrace. Infill of rear windows at basement level and roof light at main roof level. Replacement of existing doors/windows from ground to fifth floor level (roof enclosure) and removal of rear fire escape stairs.

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Progress

Submitted
6 Jan 2023
— completed
Validated
6 Jan 2023
— completed
Consultation
7 Feb 2023
— completed
Target date
3 Mar 2023
— completed
Decided
10 Mar 2023
— completed

Application details

Reference
22/08540/FULL
Local authority
Westminster
Postcode
W1W 8BU
Ward
WEW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
6 Jan 2023
Validated
6 Jan 2023
Comments close
7 Feb 2023
Target decision
3 Mar 2023
Decided
10 Mar 2023

Estimated project value

£120k–£180k

Based on the 22.2m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².

Floor area gained: 22.2

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 £1,750,000.

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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