21 Walton Road Harrow HA1 4UX
Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2.32 metres high to the eaves
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Progress
Application details
- Reference
- P/3526/22/PRIOR
- Local authority
- Harrow
- Postcode
- HA1 4UX
- Ward
- Marlborough
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 7 Oct 2022
- Validated
- 7 Oct 2022
- Comments close
- 31 Oct 2022
- Target decision
- 18 Nov 2022
- Decided
- 18 Nov 2022
Estimated project value
£38k–£69k
Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 25 WALTON ROAD, HARROW, HA1 4UXTerraced · £585,00012 months ago24 Sept 2025
- 21 WALTON ROAD, HARROW, HA1 4UXTerraced · Not a standard market sale · £500,0003 years ago31 Jan 2023
- 3 WALTON ROAD, HARROW, HA1 4UXTerraced · £425,0007 years ago26 Apr 2019
- 27 WALTON ROAD, HARROW, HA1 4UXTerraced · £567,5008 years ago23 Nov 2017
- 23 WALTON ROAD, HARROW, HA1 4UXTerraced · £283,00015 years ago9 Dec 2010
- 11 WALTON ROAD, HARROW, HA1 4UXTerraced · £269,95017 years ago30 Sept 2009
- 11 WALTON ROAD, HARROW, HA1 4UXTerraced · £230,00017 years ago9 Jan 2009
- 5 WALTON ROAD, HARROW, HA1 4UXTerraced · £271,50019 years ago20 Apr 2007
Homes here go for about £283,000 — the median of the last 7 market sales in HA1 4UX, £230,000 to £585,000.
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
- 21 Walton Road Harrow HA1 4UXRefusedNext door
- 21 Walton Road Harrow HA1 4UXRefusedNext door
- 21 Walton Road Harrow HA1 4UXRefusedNext door
- 21 Walton Road Harrow HA1 4UXRefusedNext door
- 21 Walton Road Harrow HA1 4UXRefusedNext door
- 21 Walton Road Harrow HA1 4UXPermittedNext door