23 Grosvenor Avenue Harrow HA2 7AR
Two storey side extension to provide additional dwelling.
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Progress
Application details
- Reference
- WEST61301
- Local authority
- Harrow
- Postcode
- HA2 7AR
- Ward
- WEST HARROW
- Application type
- All Other
- Property type
- House
Key dates
- Decided
- 14 Dec 2001
Estimated project value
£69k–£165k
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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 17 GROSVENOR AVENUE, HARROW, HA2 7ARSemi-detached · Not a standard market sale · £575,00012 months ago18 Aug 2025
- 9B GROSVENOR AVENUE, HARROW, HA2 7ARFlat or maisonette · Leasehold · £305,0004 years ago30 Sept 2021
- 11 GROSVENOR AVENUE, HARROW, HA2 7ARTerraced · £485,0005 years ago14 Jan 2021
- 13 GROSVENOR AVENUE, HARROW, HA2 7ARTerraced · £490,0007 years ago2 Nov 2018
- 21 GROSVENOR AVENUE, HARROW, HA2 7ARTerraced · £330,25018 years ago8 Nov 2007
- 13 GROSVENOR AVENUE, HARROW, HA2 7ARTerraced · £285,00020 years ago18 Aug 2006
- 17 GROSVENOR AVENUE, HARROW, HA2 7ARSemi-detached · £250,00021 years ago10 Sept 2004
- 9A GROSVENOR AVENUE, HARROW, HA2 7ARFlat or maisonette · Leasehold · £59,50029 years ago29 Nov 1996
Homes here go for about £305,000 — the median of the last 7 market sales in HA2 7AR, £59,500 to £490,000.
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
- 30 Grosvenor Avenue Harrow HA2 7ANPermitted47 yd
- 38 GROSVENOR AVENUE Harrow HA2 7ANPermitted52 yd
- 8 BEAUMONT AVENUE Harrow HA2 7ATPermitted71 yd
- Part of garden of 7 Grosvenor Avenue Harrow HA2 7AWPermitted78 yd
- 1 SANDHURST AVENUE Harrow HA2 7APRefused94 yd
- 3 Grosvenor Avenue Harrow HA2 7AWPermitted97 yd