15 Northumberland Avenue Hounslow TW7 5HZ
Conversion of existing garage into habitable room, erection of two storey side extension, hip-to-gable conversion, and rear roof extension, installation of three front roof light and one side roof light.
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Progress
Application details
- Reference
- P/2024/4362
- Local authority
- Hounslow
- Postcode
- TW7 5HZ
- Ward
- Osterley & Spring Grove
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 7 Jan 2025
- Validated
- 7 Jan 2025
- Comments close
- 28 Jan 2025
- Target decision
- 4 Mar 2025
- Decided
- 4 Mar 2025
Estimated project value
£87k–£180k
Based on the 58.0m² 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: 58m² · 3 additional bedrooms
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 45 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZTerraced · £725,0003 years ago15 Sept 2023
- 21 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZSemi-detached · £660,0008 years ago27 Apr 2018
- 27 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZSemi-detached · £420,00018 years ago15 Oct 2007
- 11 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZSemi-detached · £380,00019 years ago12 Jun 2007
- 39 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZSemi-detached · £350,00019 years ago14 Dec 2006
- 43 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZTerraced · £355,00019 years ago2 Oct 2006
- 25 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZTerraced · £356,00022 years ago30 Jul 2004
- 35 NORTHUMBERLAND AVENUE, ISLEWORTH, TW7 5HZTerraced · £220,00024 years ago5 Sept 2002
Homes here go for about £368,000 — the median of the last 8 market sales in TW7 5HZ, £220,000 to £725,000.
Contains HM Land Registry data © Crown copyright and database right 2023. 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
- 15 Northumberland Avenue Hounslow TW7 5HZPermittedNext door
- 15 Northumberland Avenue Hounslow TW7 5HZPermittedNext door
- 17 Northumberland Avenue Hounslow TW7 5HZPendingNext door
- 13 Northumberland Avenue Hounslow TW7 5HZPermittedNext door
- 17 Northumberland Avenue Hounslow TW7 5HZPendingNext door
- 17 Northumberland Avenue Hounslow TW7 5HZPermittedNext door