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PermittedP/1060/22/PRIORSubmitted 4 years agoRear extension

49 Merrion Avenue Harrow HA7 4RY

Single storey rear extension: 4.00 metres deep, 2.866 metres maximum height and 2.825 metres high to the eaves

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Map of the site

Progress

Submitted
15 Mar 2022
— completed
Validated
15 Mar 2022
— completed
Consultation
7 Apr 2022
— completed
Target date
26 Apr 2022
— completed
Decided
26 Apr 2022
— completed

Application details

Reference
P/1060/22/PRIOR
Local authority
Harrow
Postcode
HA7 4RY
Ward
Canons
Application type
Prior Approval
Property type
House

Key dates

Submitted
15 Mar 2022
Validated
15 Mar 2022
Comments close
7 Apr 2022
Target decision
26 Apr 2022
Decided
26 Apr 2022

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. 8 recent sales are listed below.

Homes here go for about £615,000 — the median of the last 6 market sales in HA7 4RY, £565,000 to £935,000.

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