46 Portland Place Westminster W1B 1NF
Confirmation that planning permission dated 8th November 2017 (RN: 17/03704/FULL) has been lawfully implemented by carrying out a material operation at the site, in accordance with the approved plans and it is lawful to continue with this development for the: Variation of condition 1 of planning permission dated 29 April 2016 (RN 14/12563/FULL) for the demolition of the rear extension to the building at lower ground, mezzanine, ground and first floor levels and rebuilding to include the creation of a terrace at rear first floor level. Excavation of additional basement levels and installation of plant at main roof and basement level all in association with the use of the property as a single family dwelling (Class C3) from RN 14/12563/FULL. NAMELY, to vary the approved drawings to enable additional excavation at basement levels, installation of photovoltaics at roof level, enlargement of the openings at ground and first floors, to change a window to a door to provide access to the terrace at rear first floor level and to alter the fenestration of the front elevation to the orangery with internal alterations at all floor levels.
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Progress
Application details
- Reference
- 26/02183/CLEUD
- Local authority
- Westminster
- Postcode
- W1B 1NF
- Ward
- WEW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 1 Apr 2026
- Validated
- 1 Apr 2026
- Comments close
- 14 May 2026
- Target decision
- 27 May 2026
- Decided
- 2 Jun 2026
Estimated project value
£290k–£485k
Based on the 120m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 120m²
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 22, 22 PARK CRESCENT, LONDON, W1B 1PDFlat or maisonette · Leasehold · £757,5003 months ago18 May 2026
- 26 KINGLY STREET, LONDON, W1B 5QDOther · Leasehold · Not a standard market sale · £300,0004 months ago1 May 2026
- FLAT 7, 7 PORTLAND PLACE, LONDON, W1B 1PWOther · Leasehold · Not a standard market sale · £5,000,0009 months ago1 Dec 2025
- UNIT G15 KINGLY COURT, LONDON, W1B 5PWOther · Leasehold · Not a standard market sale · £104,50011 months ago30 Sept 2025
- FLAT 2, 88 PORTLAND PLACE, LONDON, W1B 1NXFlat or maisonette · Leasehold · £1,015,00013 months ago7 Aug 2025
- FLAT A, 82 PORTLAND PLACE, LONDON, W1B 1NSFlat or maisonette · Leasehold · Not a standard market sale · £4,600,00015 months ago6 Jun 2025
- FLAT 11, 22 PARK CRESCENT, LONDON, W1B 1PDFlat or maisonette · Leasehold · £1,000,00017 months ago24 Mar 2025
- FLAT 44, 88 PORTLAND PLACE, LONDON, W1B 1NXFlat or maisonette · Leasehold · £275,00017 months ago17 Mar 2025
Homes here go for about £878,750 — the median of the last 4 market sales in W1B (the wider postcode district), £275,000 to £1,015,000.
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
- 46 Portland Place Westminster W1B 1NFPermittedNext door
- 46 Portland Place Westminster W1B 1NFPendingNext door
- 46 Portland Place Westminster W1B 1NFPendingNext door
- 46 Portland Place Westminster W1B 1NFPermittedNext door
- 46 Portland Place Westminster W1B 1NFPermittedNext door
- 48 Portland Place Westminster W1B 1NNPermittedNext door