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PermittedP/3791/22Submitted 3 years agoRear extension

86 Cavendish Avenue Harrow HA1 3RQ

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Front porch; single storey rear extension; outbuilding at rear for use as summerhouse; external alterations to existing store (demolition of porch and rear extension)

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Progress

Submitted
3 Nov 2022
— completed
Validated
3 Nov 2022
— completed
Consultation
3 Nov 2022
— completed
Target date
29 Dec 2022
— completed
Decided
21 Dec 2022
— completed

Application details

Reference
P/3791/22
Local authority
Harrow
Postcode
HA1 3RQ
Ward
Harrow on the Hill
Application type
All Other
Property type
House

Key dates

Submitted
3 Nov 2022
Validated
3 Nov 2022
Comments close
3 Nov 2022
Target decision
29 Dec 2022
Decided
21 Dec 2022

Estimated project value

£32k–£53k

Based on the 14.0m² 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: 14m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 4 recent sales are listed below.

Homes here go for about £600,000 — the median of the last 7 market sales in HA1 3RQ, £550,000 to £920,000.

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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