31 Chartley Avenue Harrow HA7 3RA
CERTIFICATE OF LAWFUL DEVELOPMENT (EXISTING): Alterations and extension to roof to create first floor rear extension; Single storey rear extension; External alterations to include removal of door in ground floor side elevation and replacement of window with doors in ground floor rear elevation
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Progress
Application details
- Reference
- P/1234/23
- Local authority
- Harrow
- Postcode
- HA7 3RA
- Ward
- Stanmore
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 9 Jun 2023
- Validated
- 9 Jun 2023
- Comments close
- 8 Jul 2023
- Target decision
- 4 Aug 2023
- Decided
- 4 Aug 2023
Estimated project value
£96k–£160k
Based on the 42.7m² 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: 42.72m² · 2 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.
- 5 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £857,0007 months ago16 Jan 2026
- 21 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £555,00011 months ago17 Sept 2025
- 1 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £650,00021 months ago29 Nov 2024
- 5 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £770,0005 years ago18 Jun 2021
- 9 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £560,0009 years ago19 Jan 2017
- 5 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £455,0009 years ago26 Sept 2016
- 33 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £425,00011 years ago19 Jun 2015
- 23 CHARTLEY AVENUE, STANMORE, HA7 3RASemi-detached · £323,00014 years ago7 Sept 2012
Homes here go for about £557,500 — the median of the last 8 market sales in HA7 3RA, £323,000 to £857,000.
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
- 1 ASHDALE GROVE Harrow HA7 3SBRefusedAdjoining
- 1 Ashdale Grove Harrow HA7 3SBPermittedAdjoining
- 1 Ashdale Grove Harrow HA7 3SBPermittedAdjoining
- 19 CHARTLEY AVENUE Harrow HA7 3RAPermitted53 yd
- 26 Chartley Avenue Harrow HA7 3QZRefused59 yd
- 17 CHARTLEY AVENUE Harrow HA7 3RAPending63 yd