Sefton Avenue Harrow HA3 5JP
single storey rear extension & conversion of existing garage into a habitable room
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Progress
Application details
- Reference
- PL/1113/26
- Local authority
- Harrow
- Postcode
- HA3 5JP
- Ward
- Harrow Weald
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 23 Apr 2026
- Validated
- 23 Apr 2026
- Comments close
- 18 May 2026
- Target decision
- 18 Jun 2026
- Decided
- 18 Jun 2026
Estimated project value
£45k–£75k
Based on the 20.0m² 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: 20m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing.
- 79 SEFTON AVENUE, HARROW, HA3 5JPSemi-detached · Not a standard market sale · £610,0004 months ago14 Apr 2026
- 69 SEFTON AVENUE, HARROW, HA3 5JPSemi-detached · £560,0002 years ago17 May 2024
- 115 SEFTON AVENUE, HARROW, HA3 5JPFlat or maisonette · Leasehold · £325,0002 years ago16 Oct 2023
- 61 SEFTON AVENUE, HARROW, HA3 5JPSemi-detached · £542,0002 years ago15 Sept 2023
- 91 SEFTON AVENUE, HARROW, HA3 5JPFlat or maisonette · Leasehold · £326,0003 years ago23 Jun 2023
- 105 SEFTON AVENUE, HARROW, HA3 5JPFlat or maisonette · Leasehold · Not a standard market sale · £320,0003 years ago31 Jan 2023
- 71 SEFTON AVENUE, HARROW, HA3 5JPSemi-detached · £515,0004 years ago25 Mar 2022
- 51 SEFTON AVENUE, HARROW, HA3 5JPSemi-detached · £490,0005 years ago1 Oct 2020
Homes here go for about £502,500 — the median of the last 6 market sales in HA3 5JP, £325,000 to £560,000.
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
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- 57 Sefton Avenue Harrow HA3 5JPPermitted49 yd
- 55 Sefton Avenue Harrow HA3 5JPPermitted55 yd
- 46 Harrow HA3 5JRPending74 yd
- 46 Harrow HA3 5JRPending74 yd