11A Belgrave Square Westminster SW1X 8PH
Alteration of the existing roof and layout alterations to the loft level to create a concealed terrace area and additional plant space along with associated internal alterations. (Linked with 26/05045/LBC)
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Progress
Application details
- Reference
- 26/05044/FULL
- Local authority
- Westminster
- Postcode
- SW1X 8PH
- Ward
- KBW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 28 Jul 2026
- Validated
- 28 Jul 2026
- Comments close
- 31 Aug 2026
- Target decision
- 22 Sept 2026
Estimated project value
£4k–£34k
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: 74m²
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 11A BELGRAVE SQUARE, LONDON, SW1X 8PHOther · Not a standard market sale · £5,0005 years ago23 Mar 2021
- 9 BELGRAVE SQUARE, LONDON, SW1X 8PHOther · Not a standard market sale · £42,000,0006 years ago14 Aug 2020
- 10 BELGRAVE SQUARE, LONDON, SW1X 8PHOther · Not a standard market sale · £48,000,0007 years ago30 Nov 2018
- LOWER GROUND FLOOR FLAT, 4 BELGRAVE SQUARE, LONDON, SW1X 8PHFlat or maisonette · Leasehold · £2,500,00011 years ago19 Feb 2015
- MAISONETTE, 4 BELGRAVE SQUARE, LONDON, SW1X 8PHFlat or maisonette · Leasehold · New build · £2,064,20018 years ago3 Jul 2008
- FOURTH FLOOR FLAT, 4 BELGRAVE SQUARE, LONDON, SW1X 8PHFlat or maisonette · Leasehold · £1,615,00019 years ago7 Jun 2007
- SECOND AND THIRD FLOOR FLAT, 4 BELGRAVE SQUARE, LONDON, SW1X 8PHFlat or maisonette · Leasehold · £1,958,75023 years ago21 May 2003
- LOWER GROUND FLOOR FLAT, 4 BELGRAVE SQUARE, LONDON, SW1X 8PHFlat or maisonette · Leasehold · £40,00031 years ago29 Mar 1995
Homes here go for about £1,958,750 — the median of the last 5 market sales in SW1X 8PH, £40,000 to £2,500,000.
Contains HM Land Registry data © Crown copyright and database right 2021. 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
- 11A Belgrave Square Westminster SW1X 8PHPendingNext door
- 11A Belgrave Square Westminster SW1X 8PHPermittedNext door
- 11A Belgrave Square Westminster SW1X 8PHPermittedNext door
- 11A Belgrave Square Westminster SW1X 8PHPermittedNext door
- 11A Belgrave Square Westminster SW1X 8PHPermittedNext door
- 11 Belgrave Square Westminster SW1X 8PPPendingNext door