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Permitted25/08226/LBCSubmitted 10 months agoLoft conversion

47 Chester Square Westminster SW1W 9EA

Rebuilding of the rear of the top floor mansard roof to the main house with new dormer windows and new monopitch rooflight to the stairwell below; awning removed to the closet wing; downpipes re-routed to rear elevation of main house; revisions to detailed design of glazed link; front door to Ebury Mews entrance enlarged and addition of flues above roof to the mews house.

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Progress

Submitted
11 Nov 2025
— completed
Validated
11 Nov 2025
— completed
Consultation
— completed
Target date
6 Jan 2026
— completed
Decided
11 Jun 2026
— completed

Application details

Reference
25/08226/LBC
Local authority
Westminster
Postcode
SW1W 9EA
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
11 Nov 2025
Validated
11 Nov 2025
Target decision
6 Jan 2026
Decided
11 Jun 2026

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

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £12,600,000 — the median of the last 3 market sales in SW1W 9EA, £8,350,000 to £13,750,000.

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.

Nearby applications