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Permitted25/06914/FULLSubmitted over a year agoLoft conversion

57A Catherine Place Westminster SW1E 6DY

Replacement of the roof and front dormer; removal of the old roof access structure and creation of a new roof access; replacement of all windows; repositioning of four rear windows; demolition and reconstruction of part of the rear façade with matching bricks; removal of a rear window at basement level and replacement of an existing sliding door at basement level with a larger sliding door; extension of the rear ground floor balcony and removal of the first-floor balcony and installation of Air Source Heat Pumps and PV panels on the roof.

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Map of the site

Progress

Submitted
24 Oct 2025
— completed
Validated
24 Oct 2025
— completed
Consultation
1 Dec 2025
— completed
Target date
19 Dec 2025
— completed
Decided
28 May 2026
— completed

Application details

Reference
25/06914/FULL
Local authority
Westminster
Postcode
SW1E 6DY
Ward
SJW_22
Application type
All Other
Property type
House

Key dates

Submitted
24 Oct 2025
Validated
24 Oct 2025
Comments close
1 Dec 2025
Target decision
19 Dec 2025
Decided
28 May 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. 2 recent sales are listed below.

Homes here go for about £1,136,000 — the median of the last 4 market sales in SW1E 6DY, £675,000 to £3,900,000.

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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