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RefusedP/1130/21/PRIORRear extension

86 Cavendish Avenue Harrow HA1 3RQ

Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 2.98 metres high to the eaves.

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
21 Apr 2021
— completed
Target date
28 Apr 2021
— completed
Decided
28 Apr 2021
— completed

Application details

Reference
P/1130/21/PRIOR
Local authority
Harrow
Postcode
HA1 3RQ
Application type
Prior Approval
Property type
House

Key dates

Comments close
21 Apr 2021
Target decision
28 Apr 2021
Decided
28 Apr 2021

Estimated project value

£38k–£69k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

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.

Nearby applications