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Permitted21/01748/FULLSubmitted 5 years agoLoft conversion

56 Winchester Street Westminster SW1V 4NH

Variation of Condition 1 of planning permission dated 29 September 2020 (20/03669/FULL) for replacement of existing extension at rear lower ground floor level with two storey extension at rear lower ground and ground floor level; extension to existing closet wing at rear second/third floor half landing level; mansard roof extension with rear terrace; new staircase to front lightwell; all in connection with use as two residential flats (Class C3). Namely, to widen rear dormer.

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Progress

Submitted
18 Mar 2021
— completed
Validated
18 Mar 2021
— completed
Consultation
26 Apr 2021
— completed
Target date
13 May 2021
— completed
Decided
6 May 2021
— completed

Application details

Reference
21/01748/FULL
Local authority
Westminster
Postcode
SW1V 4NH
Ward
WAB_02
Application type
All Other
Property type
Flat

Key dates

Submitted
18 Mar 2021
Validated
18 Mar 2021
Comments close
26 Apr 2021
Target decision
13 May 2021
Decided
6 May 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. 2 recent sales are listed below.

Homes here go for about £905,000 — the median of the last 8 market sales in SW1V 4NH, £577,000 to £2,900,000.

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