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Permitted20/01106/NMASubmitted 6 years agoRoof works

82 New Cavendish Street Westminster W1W 6XR

Amendments to planning permission dated 23 May 2018 (RN: 18/02638) for erection of an extension at fourth floor level for use in connection with the existing flat (Class C3), creation of two new window opening within the rear flank wall facing Duchess Mews and replacement of all the windows at 3rd and 4th floor level, and installation of air conditioning unit at roof level, associated external and internal alterations [Site includes 22 Mansfield Street], NAMELY, revisions to the internal layout and addition of external security bars to windows in the external rooflight area to the rear of the property.

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Progress

Submitted
14 Feb 2020
— completed
Validated
14 Feb 2020
— completed
Consultation
— completed
Target date
13 Mar 2020
— completed
Decided
28 Feb 2020
— completed

Application details

Reference
20/01106/NMA
Local authority
Westminster
Postcode
W1W 6XR
Ward
WED_02
Application type
All Other
Property type
Flat

Key dates

Submitted
14 Feb 2020
Validated
14 Feb 2020
Target decision
13 Mar 2020
Decided
28 Feb 2020

Estimated project value

£9k–£25k

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 / BestBuilders 2026 roof replacement, 3-bed semi.

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.

Nearby applications