18-19 Lowndes Square Westminster SW1X 9HB
Erection of a mansard roof extension, amalgamation of Flats 7 and 8 at fourth floor level to create a three bedroom residential unit over 4th and new 5th floor level; and installation of an air condenser unit at rear fifth floor level.
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Progress
Application details
- Reference
- 15/11554/FULL
- Local authority
- Westminster
- Postcode
- SW1X 9HB
- Ward
- KNIGHTSBRIDGE AND BELGRAVIA
- Application type
- All Other
- Property type
- Flat
Key dates
- Decided
- 16 Mar 2016
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
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.
- SECOND FLOOR FLAT, 17 LOWNDES SQUARE, LONDON, SW1X 9HBFlat or maisonette · Leasehold · Not a standard market sale · £460,0002 years ago21 Feb 2024
- FLAT 2, 11 LOWNDES SQUARE, LONDON, SW1X 9HBFlat or maisonette · Leasehold · Not a standard market sale · £10,250,0002 years ago20 Dec 2023
- 11 LOWNDES SQUARE, LONDON, SW1X 9HBOther · Not a standard market sale · £1,197,5005 years ago10 Jun 2021
- 16 LOWNDES SQUARE, LONDON, SW1X 9HBTerraced · Not a standard market sale · £3,475,0005 years ago8 Jan 2021
- FLAT 7, 18 LOWNDES SQUARE, LONDON, SW1X 9HBOther · Leasehold · Not a standard market sale · £12,015,0005 years ago8 Jan 2021
- 15 LOWNDES SQUARE, LONDON, SW1X 9HBFlat or maisonette · Leasehold · £4,800,0006 years ago23 Jul 2020
- 15 LOWNDES SQUARE, LONDON, SW1X 9HBOther · Not a standard market sale · £132,0006 years ago14 Nov 2019
- 13 LOWNDES SQUARE, LONDON, SW1X 9HBOther · Not a standard market sale · £4,600,00010 years ago5 Jul 2016
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
- 18-19 Lowndes Square Westminster SW1X 9HBPermittedNext door
- 19 Lowndes Square Flat 4 Westminster SW1X 9HBPermittedNext door
- 18 Lowndes Square Westminster SW1X 9HBPermittedNext door
- WestminsterPermittedNext door
- 20 Lowndes Square Westminster SW1X 9HDPermittedNext door
- 16 Lowndes Square Westminster SW1X 9HBPermittedNext door