1 Sussex Street Westminster SW1V 4RZ
Erection of mansard extension and new side window at second floor level.
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Progress
Application details
- Reference
- 26/04924/FULL
- Local authority
- Westminster
- Postcode
- SW1V 4RZ
- Ward
- PNW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 23 Jul 2026
- Validated
- 23 Jul 2026
- Comments close
- 21 Aug 2026
- Target decision
- 17 Sept 2026
Estimated project value
£88k–£180k
Based on the 54.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 54m² · 2 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 1 SUSSEX STREET, LONDON, SW1V 4RZDetached · £3,250,00014 months ago27 Jun 2025
- 1 SUSSEX STREET, LONDON, SW1V 4RZDetached · £2,950,00015 years ago29 Jul 2011
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.
Recorded changes
- 5 Sept 2026: Approved
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