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Permitted22/00051/FULLSubmitted 4 years agoConservatory

12 Chapel Street Westminster SW1X 7BY

Refurbishment of an existing rear conservatory at basement and ground floor level, replacement of four air conditioning units at terrace level with two new condensing units located at the rear of the building at basement level and other alterations including skylight at first floor level.

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Map of the site

Progress

Submitted
27 Jan 2022
— completed
Validated
27 Jan 2022
— completed
Consultation
25 Feb 2022
— completed
Target date
24 Mar 2022
— completed
Decided
27 Sept 2022
— completed

Application details

Reference
22/00051/FULL
Local authority
Westminster
Postcode
SW1X 7BY
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
27 Jan 2022
Validated
27 Jan 2022
Comments close
25 Feb 2022
Target decision
24 Mar 2022
Decided
27 Sept 2022

Estimated project value

£14k–£41k

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: trade estimate.

Floor area gained: 3.4

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £5,882,500 — the median of the last 6 market sales in SW1X 7BY, £2,300,000 to £7,000,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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