37 Sylvia Avenue Harrow HA5 4QW
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable, rear dormer with Juliette balcony; three rooflights in front roofslope
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Progress
Application details
- Reference
- P/0524/22
- Local authority
- Harrow
- Postcode
- HA5 4QW
- Ward
- Hatch End
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 17 Feb 2022
- Validated
- 17 Feb 2022
- Comments close
- 17 Feb 2022
- Target decision
- 14 Apr 2022
- Decided
- 4 Apr 2022
Estimated project value
£35k–£72k
Based on the 23.0m² 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: 23m² · 1 additional bedrooms
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 15 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · Not a standard market sale · £510,00014 months ago18 Jun 2025
- 1 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £1,115,00022 months ago31 Oct 2024
- 25 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £735,0003 years ago29 Sept 2022
- 23 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £690,0004 years ago15 Jul 2022
- 29 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £570,0006 years ago6 Mar 2020
- 11 SYLVIA AVENUE, PINNER, HA5 4QWTerraced · £746,0007 years ago3 Sept 2019
- 31 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £650,0007 years ago26 Oct 2018
- 1 SYLVIA AVENUE, PINNER, HA5 4QWSemi-detached · £590,0007 years ago16 Oct 2018
Homes here go for about £690,000 — the median of the last 7 market sales in HA5 4QW, £570,000 to £1,115,000.
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
- 37 Sylvia Avenue Harrow HA5 4QWRefusedNext door
- 37 Harrow HA5 4QWPendingNext door
- 26 Sylvia Avenue Harrow HA5 4QEPermitted54 yd
- 28 Sylvia Avenue Harrow HA5 4QEPending55 yd
- Sylvia Avenue Harrow HA5 4QEPermitted56 yd
- 25 Sylvia Avenue Harrow HA5 4QWPermitted57 yd