Somerset Waye Hounslow TW5 9HG
Proposed construction of a full-length rear dormer roof extension to provide an additional bedroom and a bathroom at loft level. The dormer will be set back a minimum of 600mm from the neighbouring property boundary and a minimum of 500mm from the existing eaves, in order to minimise visual impact and protect neighbouring amenity. The ridge height will be retained, with a minimum distance of 300mm maintained between the existing ridge line and the new dormer roof, ensuring the dormer remains subordinate to the host roof and is not visible from the front elevation. In addition, 2 rooflights (Velux-style) windows are proposed on the front roof slope to provide natural daylight to the loft accommodation. The proposed development has been designed to respect the character and appearance of the existing dwelling and the surrounding area, while providing improved internal accommodation.
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Progress
Application details
- Reference
- P/2026/0126
- Local authority
- Hounslow
- Postcode
- TW5 9HG
- Ward
- Heston West
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 10 Feb 2026
- Validated
- 10 Feb 2026
- Comments close
- 1 Apr 2026
- Target decision
- 7 Apr 2026
- Decided
- 7 Apr 2026
Estimated project value
£45k–£94k
Based on the 30.0m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 30m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 16 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · Not a standard market sale · £700,0008 months ago19 Dec 2025
- 18 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £640,0005 years ago10 Sept 2020
- 40 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £690,0006 years ago8 Oct 2019
- 2 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £578,0006 years ago27 Sept 2019
- 40 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £435,0008 years ago3 Oct 2017
- 12 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £520,00012 years ago3 Sept 2014
- 34 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £470,00013 years ago20 Aug 2013
- 34 SOMERSET WAYE, HOUNSLOW, TW5 9HGSemi-detached · £335,00013 years ago27 Sept 2012
Homes here go for about £520,000 — the median of the last 7 market sales in TW5 9HG, £335,000 to £690,000.
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.
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