109 Bell Street Westminster NW1 6TL
Erection of mansard to existing second floor flat with front elevation dormer windows set back from principal elevation.
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Progress
Application details
- Reference
- 25/09282/FULL
- Local authority
- Westminster
- Postcode
- NW1 6TL
- Ward
- CSW_22
- Application type
- All Other
- Property type
- Flat
Key dates
- Submitted
- 23 Mar 2026
- Validated
- 23 Mar 2026
- Comments close
- 5 May 2026
- Target decision
- 18 May 2026
Estimated project value
£57k–£120k
Based on the 35.0m² 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: 35m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- FLAT 8, 97 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · £645,00011 months ago12 Sept 2025
- 109A BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · Not a standard market sale · £600,00022 months ago24 Oct 2024
- FLAT 5, 97 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · Not a standard market sale · £450,0002 years ago4 Jun 2024
- FIRST FLOOR FLAT, 111 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · Not a standard market sale · £500,0004 years ago11 Apr 2022
- FLAT 4, 97 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · £370,0005 years ago18 Jun 2021
- FLAT 6, 97 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · £315,0005 years ago9 Mar 2021
- FLAT 3, 93 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · £510,0007 years ago27 Aug 2019
- FLAT 4, 97 BELL STREET, LONDON, NW1 6TLFlat or maisonette · Leasehold · £330,0007 years ago23 Oct 2018
Homes here go for about £370,000 — the median of the last 5 market sales in NW1 6TL, £315,000 to £645,000.
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
- 109-111 Bell Street Westminster NW1 6TLPermittedNext door
- 109 Bell Street Westminster NW1 6TLPermittedNext door
- 107 Bell Street Westminster NW1 6TLRefusedNext door
- 99 Bell Street Westminster NW1 6TLWithdrawnAdjoining
- 99 Bell Street Westminster NW1 6TLPermittedAdjoining
- 99 Bell Street Westminster NW1 6TLRefusedAdjoining