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Permitted22/02893/LBCSubmitted 4 years agoSide extension

79 Wimpole Street Westminster W1G 9RR

Refurbishment of the existing building, minor demolition works associated with internal and external alterations for continued medical use; creation of a new internal link at basement and ground floor level into No. 78 Wimpole Street; new chiller proposed at basement level; enlargement of existing windows to create doors onto existing terrace at first floor; single storey side extension on second floor; external plant at basement and roof level and all other associated works; installation of air conditioning units within lightwell at lower ground floor level on Welbeck Way, at roof level and two air handling units to the rear of the building on roofs at second and third floor levels; and creation of internal openings between Nos.78 and 79 at basement, ground and first floor levels.

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Progress

Submitted
29 Apr 2022
— completed
Validated
29 Apr 2022
— completed
Consultation
— completed
Target date
24 Jun 2022
— completed
Decided
4 Aug 2022
— completed

Application details

Reference
22/02893/LBC
Local authority
Westminster
Postcode
W1G 9RR
Ward
MBW_22
Application type
All Other
Property type
House

Key dates

Submitted
29 Apr 2022
Validated
29 Apr 2022
Target decision
24 Jun 2022
Decided
4 Aug 2022

Estimated project value

£39k–£65k

Based on the 16.0m² 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: 16

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 £1,000,000 — the median of the last 5 market sales in W1G (the wider postcode district), £700,000 to £2,140,750.

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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