20 Marne Street Westminster W10 4JE
Erection of a rear single-storey side extension to side of an existing outrigger and addition of 3 conservation rooflights on the rear of the main roof in connection with a loft conversion.
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Progress
Application details
- Reference
- 21/04017/FULL
- Local authority
- Westminster
- Postcode
- W10 4JE
- Ward
- QPB_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 28 Jun 2021
- Validated
- 28 Jun 2021
- Comments close
- 30 Jul 2021
- Target decision
- 23 Aug 2021
- Decided
- 10 Aug 2021
Estimated project value
£33k–£68k
Based on the 20.0m² 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: 20m² · 1 additional bedrooms
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.
- 25 MARNE STREET, LONDON, W10 4JEFlat or maisonette · £740,0002 months ago30 Jun 2026
- 4 MARNE STREET, LONDON, W10 4JETerraced · £1,635,00016 months ago2 May 2025
- 19 MARNE STREET, LONDON, W10 4JETerraced · £675,0002 years ago14 Jun 2024
- 26 MARNE STREET, LONDON, W10 4JEFlat or maisonette · £750,0003 years ago21 Oct 2022
- 15 MARNE STREET, LONDON, W10 4JETerraced · £999,9503 years ago15 Sept 2022
- 10 MARNE STREET, LONDON, W10 4JETerraced · £740,0004 years ago17 Jun 2022
- 4 MARNE STREET, LONDON, W10 4JETerraced · £1,317,2005 years ago18 Jun 2021
- 10 MARNE STREET, LONDON, W10 4JETerraced · £610,0005 years ago6 Apr 2021
Homes here go for about £745,000 — the median of the last 8 market sales in W10 4JE, £610,000 to £1,635,000.
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
- 3 Nutbourne Street Westminster W10 4HWPendingNext door
- 20 Marne Street Westminster W10 4JEPendingNext door
- 20 Marne Street Westminster W10 4JEPermittedNext door
- 14 Marne Street Westminster W10 4JEPermittedNext door
- 7 Nutbourne Street Westminster W10 4HWPermittedAdjoining
- 10 Marne Street Westminster W10 4JEPermittedAdjoining