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PermittedP/3716/22Submitted 3 years agoRear extension

51 Sefton Avenue Harrow HA3 5JP

Single storey front, side and rear extension with access steps at rear (Demolition of attached garage at side and conservatory at rear)

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Progress

Submitted
1 Nov 2022
— completed
Validated
1 Nov 2022
— completed
Consultation
22 Nov 2022
— completed
Target date
10 Jan 2023
— completed
Decided
10 Jan 2023
— completed

Application details

Reference
P/3716/22
Local authority
Harrow
Postcode
HA3 5JP
Ward
Harrow Weald
Application type
Householder
Property type
House

Key dates

Submitted
1 Nov 2022
Validated
1 Nov 2022
Comments close
22 Nov 2022
Target decision
10 Jan 2023
Decided
10 Jan 2023

Estimated project value

£64k–£105k

Based on the 28.5m² 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: 28.5m² · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing.

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.

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