14 Hay's Mews Westminster W1J 5PX
Creation of a roof terrace and extension of stair to access roof, installation of air conditioning units within louvred enclosure at roof level and installation of sedum roof and internal alterations at third floor level.
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Progress
Application details
- Reference
- 20/01704/LBC
- Local authority
- Westminster
- Postcode
- W1J 5PX
- Ward
- WEC_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 18 Mar 2020
- Validated
- 18 Mar 2020
- Comments close
- 1 May 2020
- Target decision
- 13 May 2020
- Decided
- 28 May 2020
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.
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- 48N BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · Not a standard market sale · £900,0005 months ago16 Mar 2026
- 34 BERKELEY SQUARE, LONDON, W1J 5BFOther · Leasehold · Not a standard market sale · £22,600,0007 months ago16 Jan 2026
- FLAT 2, GARRICK HOUSE CARRINGTON STREET, LONDON, W1J 7AFFlat or maisonette · Leasehold · £632,0008 months ago12 Dec 2025
- FLAT 4, 33 HILL STREET, LONDON, W1J 5LTFlat or maisonette · Leasehold · £2,320,0009 months ago25 Nov 2025
- FLAT 202, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7RGFlat or maisonette · Leasehold · Not a standard market sale · £1,225,00010 months ago27 Oct 2025
- FLAT 1, AUDLEY COURT, 32 - 34 HILL STREET, LONDON, W1J 5NPFlat or maisonette · Leasehold · £4,100,00010 months ago17 Oct 2025
- 48D BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · £5,488,00011 months ago30 Sept 2025
- 41 FARM STREET, LONDON, W1J 5RPOther · Leasehold · Not a standard market sale · £1,967,55812 months ago21 Aug 2025
Homes here go for about £3,210,000 — the median of the last 4 market sales in W1J (the wider postcode district), £632,000 to £5,488,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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
- 14 Hay's Mews Westminster W1J 5PXPermittedNext door
- 14 Hay's Mews Westminster W1J 5PXPermittedNext door
- WestminsterPermittedNext door
- 14 Hay's Mews Westminster W1J 5PXPermittedNext door
- 14 Hay's Mews Westminster W1J 5PXPermittedNext door
- 14 Hay's Mews Westminster W1J 5PXPermittedNext door