18 TREVE AVENUE Harrow HA1 4AJ
Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer with Juliette balcony, installation of two roof lights in front elevation and new window in end gable, Demolition of garage at side, Single storey side extension, New window in front elevation, New window and door in rear elevation, Front porch
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Progress
Application details
- Reference
- PL/1910/24
- Local authority
- Harrow
- Postcode
- HA1 4AJ
- Ward
- West Harrow
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 12 Jul 2024
- Validated
- 12 Jul 2024
- Comments close
- 14 Aug 2024
- Target decision
- 6 Sept 2024
- Decided
- 4 Sept 2024
Estimated project value
£57k–£120k
Based on the 38.0m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 38m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 14 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · Not a standard market sale · £515,00010 months ago23 Oct 2025
- 18 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £610,0002 years ago27 Aug 2024
- 6 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £650,0003 years ago10 Aug 2023
- 4 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £865,0003 years ago20 Sept 2022
- 2 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £1,127,0004 years ago4 Aug 2022
- 4 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £725,0008 years ago2 Mar 2018
- 42 TREVE AVENUE, HARROW, HA1 4AJSemi-detached · £745,00010 years ago24 Feb 2016
- 10 TREVE AVENUE, HARROW, HA1 4AJTerraced · £670,00011 years ago14 Aug 2015
Homes here go for about £725,000 — the median of the last 7 market sales in HA1 4AJ, £610,000 to £1,127,000.
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.
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