15 Halkin Mews Westminster SW1X 8JZ
Variation of condition 1 of planning permission dated 07 October 2021 (RN: 21/03191/FULL) (as varied by planning permission dated 02 February 2023 (RN: 22/07629/FULL)) for 'Erection of mansard roof with rooflights and photovoltaics over; provision of roof terrace at new second floor level; opening up blind windows at second floor level; replacement garage doors; new entrance door location; replacement windows with slimline double glazing; installation of air condenser unit enclosed within an acoustic louvred panel at roof level'. NAMELY, to allow amendments to the ground floor elevation finishes.
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Progress
Application details
- Reference
- 23/03532/FULL
- Local authority
- Westminster
- Postcode
- SW1X 8JZ
- Ward
- KBW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 25 May 2023
- Validated
- 25 May 2023
- Comments close
- 29 Jun 2023
- Target decision
- 20 Jul 2023
- Decided
- 20 Jul 2023
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
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 4 HALKIN MEWS, LONDON, SW1X 8JZTerraced · £3,000,00019 months ago6 Feb 2025
- 15 HALKIN MEWS, LONDON, SW1X 8JZTerraced · Leasehold · £8,468,4392 years ago21 Jun 2024
- 15 HALKIN MEWS, LONDON, SW1X 8JZTerraced · Leasehold · Not a standard market sale · £4,300,0004 years ago8 Aug 2022
- 2 HALKIN MEWS, LONDON, SW1X 8JZTerraced · £2,720,0004 years ago29 Jul 2022
- 4 HALKIN MEWS, LONDON, SW1X 8JZTerraced · £1,400,0005 years ago28 Jun 2021
- 4 HALKIN MEWS, LONDON, SW1X 8JZTerraced · Not a standard market sale · £1,650,0009 years ago30 Jun 2017
- 3 HALKIN MEWS, LONDON, SW1X 8JZFlat or maisonette · Leasehold · £1,920,00020 years ago26 May 2006
- 16 HALKIN MEWS, LONDON, SW1X 8JZTerraced · Leasehold · £950,00021 years ago29 Oct 2004
Homes here go for about £2,320,000 — the median of the last 6 market sales in SW1X 8JZ, £950,000 to £8,468,439.
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.
Nearby applications
- 15 Halkin Mews Westminster SW1X 8JZPermittedNext door
- 15 Halkin Mews Westminster SW1X 8JZWithdrawnNext door
- 15 Halkin Mews Westminster SW1X 8JZPermittedNext door
- 15 Halkin Mews Westminster SW1X 8JZRefusedNext door
- 15 Halkin Mews Westminster SW1X 8JZPermittedNext door
- 15 Halkin Mews Westminster SW1X 8JZPermittedNext door