38 Portland Place Westminster W1B 1LS
Internal alterations to 38 Portland Place, removal of link building between 38 Portland Place and 9 Cavendish Mews North at ground, first and second floors, formation of a new rear stair core to main building and new external fire escape stair. New terraces to office space in connection with plant space and the installation of air source heat pumps. Alterations to the front and rear facades of the mews building and internal alterations and new plant space to mews roof level and new terrace spaces
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Progress
Application details
- Reference
- 26/00352/LBC
- Local authority
- Westminster
- Postcode
- W1B 1LS
- Ward
- WEW_22
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 21 Jan 2026
- Validated
- 21 Jan 2026
- Comments close
- 31 Mar 2026
- Target decision
- 18 Mar 2026
- Decided
- 27 Jul 2026
Estimated project value
£11k–£21k
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 / GreenMatch 2026, excluding Boiler Upgrade Scheme grant.
Floor area gained: 1,209.2m²
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.
- FLAT 49, 22 PARK CRESCENT, LONDON, W1B 1PEFlat or maisonette · Leasehold · Not a standard market sale · £1,350,0003 months ago1 Jul 2026
- FLAT 22, 22 PARK CRESCENT, LONDON, W1B 1PDFlat or maisonette · Leasehold · £757,5005 months ago18 May 2026
- 26 KINGLY STREET, LONDON, W1B 5QDOther · Leasehold · Not a standard market sale · £300,0005 months ago1 May 2026
- APARTMENT 33, 24 PARK CRESCENT, LONDON, W1B 1AAFlat or maisonette · Leasehold · £22,800,0006 months ago27 Apr 2026
- FLAT 2, 94 - 96 PORTLAND PLACE, LONDON, W1B 1NZFlat or maisonette · Leasehold · £3,250,0008 months ago27 Feb 2026
- 28 PORTLAND PLACE, LONDON, W1B 1LYOther · Leasehold · Not a standard market sale · £9,160,0008 months ago29 Jan 2026
- FLAT 7, 7 PORTLAND PLACE, LONDON, W1B 1PWOther · Leasehold · Not a standard market sale · £5,000,00010 months ago1 Dec 2025
- UNIT G15 KINGLY COURT, LONDON, W1B 5PWOther · Leasehold · Not a standard market sale · £104,50012 months ago30 Sept 2025
Homes here go for about £3,250,000 — the median of the last 3 market sales in W1B (the wider postcode district), £757,500 to £22,800,000.
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
- 38 Portland Place Westminster W1B 1LSPermittedNext door
- 38 Portland Place Westminster W1B 1JQPermittedNext door
- 38 Portland Place Westminster W1B 1JQPermittedNext door
- 40 Portland Place Westminster W1B 1NBPermittedNext door
- 36 Portland Place Westminster W1B 1LSPermittedNext door
- 40 Portland Place Westminster W1B 1NBPermittedNext door