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Permitted25/06935/FULLSubmitted 10 months agoWindows and doors

17 Belgrave Square Westminster SW1X 8PG

Part refurbishment, part replacement, of the existing windows on all elevations of the building at 17 Belgrave Square and adjacent mews at 17 Belgrave Mews West. (Linked with 25/06936/LBC)

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Progress

Submitted
22 Oct 2025
— completed
Validated
22 Oct 2025
— completed
Consultation
27 Nov 2025
— completed
Target date
17 Dec 2025
— completed
Decided
18 Mar 2026
— completed

Application details

Reference
25/06935/FULL
Local authority
Westminster
Postcode
SW1X 8PG
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
22 Oct 2025
Validated
22 Oct 2025
Comments close
27 Nov 2025
Target decision
17 Dec 2025
Decided
18 Mar 2026

Estimated project value

£5k–£16k

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: FMB 2026 double glazing guide, 3-bed semi full replacement.

Recently sold nearby

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

Contains HM Land Registry data © Crown copyright and database right 2024. 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