Colart (former Winsor & Newton) Whitefriars Avenue Harrow HA3 5AN
O/L: Demo. of extg bdgs, retention of the Winsor and Newton former office bdg for business and employment (B1(a), B1(b) and B(c)) and new B1 (2,921sqm); up to 195 new dwellings; safeguarded area for education (D1); new streets, public realm, pkg etc
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Progress
Application details
- Reference
- P/1383/13
- Local authority
- Harrow
- Postcode
- HA3 5AN
- Ward
- WEALDSTONE
- Application type
- All Other
- Property type
- Commercial
Key dates
- Decided
- 17 May 2013
Estimated project value
£250k–£525k
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: MyBuilder / RapidQS 2026, ~120m² at £2,000-£3,500/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 97 MASONS AVENUE, HARROW, HA3 5ANTerraced · Not a standard market sale · £510,0007 months ago12 Jan 2026
- 89 MASONS AVENUE, HARROW, HA3 5ANTerraced · Not a standard market sale · £530,00016 months ago14 Apr 2025
- 57 MASONS AVENUE, HARROW, HA3 5ANTerraced · £482,0003 years ago16 Nov 2022
- 79A MASONS AVENUE, HARROW, HA3 5ANFlat or maisonette · Leasehold · Not a standard market sale · £220,0004 years ago29 Apr 2022
- 79 MASONS AVENUE, HARROW, HA3 5ANFlat or maisonette · Leasehold · Not a standard market sale · £240,0006 years ago29 May 2020
- 95 MASONS AVENUE, HARROW, HA3 5ANTerraced · Not a standard market sale · £373,0006 years ago28 Feb 2020
- 89 MASONS AVENUE, HARROW, HA3 5ANTerraced · £510,0008 years ago9 Feb 2018
- 105 MASONS AVENUE, HARROW, HA3 5ANSemi-detached · £405,0009 years ago11 Sept 2017
Homes here go for about £482,000 — the median of the last 3 market sales in HA3 5AN, £405,000 to £510,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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
- Artisan Place HarrowPermittedNext door
- RECKITT & COLMAN WHITEFRIARS AVENUE Harrow HA3 5QNPermittedAdjoining
- 16 Harrow HA3 5DZPending46 yd
- Bruce Road Harrow HA3 5DZRefused57 yd
- 17 Artisan Place Harrow HA3 5DSPending59 yd
- 10 BRUCE ROAD Harrow HA3 5DZPending61 yd