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Permitted26/03054/FULLSubmitted 3 months agoAnnexe

17 Belgrave Square Westminster SW1X 8PG

Reconfiguration and alteration of the area between the main building and the Mews, including the erection of a pergola structure, alterations to the rear annex openings, updated rear garden layout.

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Progress

Submitted
15 May 2026
— completed
Validated
15 May 2026
— completed
Consultation
18 Jun 2026
— completed
Target date
10 Jul 2026
— completed
Decided
7 Jul 2026
— completed

Application details

Reference
26/03054/FULL
Local authority
Westminster
Postcode
SW1X 8PG
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
15 May 2026
Validated
15 May 2026
Comments close
18 Jun 2026
Target decision
10 Jul 2026
Decided
7 Jul 2026

Estimated project value

£68k–£150k

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.

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.

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