54 Northumberland Place Westminster W2 5AS
Excavation of a new basement level to include a small front lightwell; Extend existing, external staircase and railings leading down to lower ground floor; Excavate rear garden down to meet proposed lower ground floor level, Form new lower ground floor extension with bi fold doors; Adapt existing rear outrigger and increase height by 650mm; Install new rear infill conservatory at ground floor level to replace existing; Adapt existing mansard to sit in line with 53; Replace all sash windows with new timber, double glazed windows to match existing in style and proportion; Repair all pointing, stucco, render. Repair or replace all lead flashings. Redecorate all painted elements; Replace front garden brick piers, brick upstand and railings with new stone plinth and iron railings to match neighbouring properties.
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Progress
Application details
- Reference
- 22/06209/FULL
- Local authority
- Westminster
- Postcode
- W2 5AS
- Ward
- BWW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 12 Sept 2022
- Validated
- 12 Sept 2022
- Comments close
- 26 Oct 2022
- Target decision
- 7 Nov 2022
- Decided
- 22 Feb 2023
Estimated project value
£100k–£215k
Based on the 63.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 63m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 52 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £6,075,00012 months ago30 Sept 2025
- 33 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £3,750,00019 months ago7 Feb 2025
- 35 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £3,000,0002 years ago10 Jun 2024
- 53 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £3,725,0003 years ago30 Mar 2023
- 33 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £3,740,0004 years ago31 May 2022
- 45 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £5,000,0004 years ago28 Feb 2022
- 54 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £4,190,0005 years ago6 Aug 2021
- 31 NORTHUMBERLAND PLACE, LONDON, W2 5ASTerraced · £3,085,0005 years ago18 May 2021
Homes here go for about £3,745,000 — the median of the last 8 market sales in W2 5AS, £3,000,000 to £6,075,000.
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
- 54 Northumberland Place Westminster W2 5ASPermittedNext door
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- 54 Northumberland Place Westminster W2 5ASPermittedNext door
- 54 Northumberland Place Westminster W2 5ASPermittedNext door