18 COLLEGE AVENUE Harrow HA3 6HB

Progress

Estimated project value

£54k–£89k

Based on the 23.7m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 23.7m²

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.

• 30 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £712,5005 years ago24 Jun 2021
• 16 COLLEGE AVENUE, HARROW, HA3 6HBDetached · £365,00011 years ago25 Nov 2014
• 28 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £307,00019 years ago22 Feb 2007
• 42 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £280,00020 years ago21 Jun 2006
• 38 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £265,00021 years ago5 Nov 2004
• 34 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £325,00021 years ago13 Sept 2004
• 22 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £217,50024 years ago8 Oct 2001
• 26 COLLEGE AVENUE, HARROW, HA3 6HBSemi-detached · £225,00025 years ago8 Aug 2001

Homes here go for about £293,500 — the median of the last 8 market sales in HA3 6HB, £217,500 to £712,500.

Contains HM Land Registry data © Crown copyright and database right 2021. 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

• 1 Park Crescent Harrow HA3 6ERPermittedAdjoining
• 17 PARK CRESCENT Harrow HA3 6ERPermitted53 yd
• 87 PARK CRESCENT Harrow HA3 6EUPermitted55 yd
• 19 College Avenue Harrow HA3 6EYPermitted57 yd
• College Avenue Harrow HA3 6HBRefused58 yd
• College Avenue Harrow HA3 6HBWithdrawn58 yd