100 Knightsbridge Westminster SW1X 7LJ
Conversion of three-storey penthouse into two residential apartments, one unit at Level 11 and second unit at Level 12 and 13.
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Progress
Application details
- Reference
- 25/02007/FULL
- Local authority
- Westminster
- Postcode
- SW1X 7LJ
- Ward
- KBW_22
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 29 Apr 2025
- Validated
- 29 Apr 2025
- Comments close
- 4 Jun 2025
- Target decision
- 24 Jun 2025
- Decided
- 5 Jun 2025
Estimated project value
£81k–£270k
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. 4 recent sales are listed below.
- APARTMENT C.05.1, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £34,000,0008 months ago15 Dec 2025
- UNIT B, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJOther · Leasehold · Not a standard market sale · £120,00017 months ago17 Mar 2025
- APARTMENT B.06.1, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £25,400,00020 months ago20 Dec 2024
- APARTMENT C.08.1, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £49,500,00020 months ago12 Dec 2024
- APARTMENT B.06.2, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £18,650,0002 years ago16 Nov 2023
- APARTMENT C.01.2, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £24,700,0003 years ago18 Nov 2022
- APARTMENT C.07.1, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £26,000,0004 years ago11 Apr 2022
- APARTMENT A.04.2, ONE HYDE PARK, 100 KNIGHTSBRIDGE, LONDON, SW1X 7LJFlat or maisonette · Leasehold · £19,650,0004 years ago15 Mar 2022
Homes here go for about £25,400,000 — the median of the last 7 market sales in SW1X 7LJ, £18,650,000 to £49,500,000.
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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