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PermittedPL/0340/26Submitted 6 months agoLoft conversion

97 MERRION AVENUE Harrow HA7 4RY

Certificate of lawful development (proposed): alterations to roof to form end gable and rear dormer; two rooflights in front roof slope; front porch

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Progress

Submitted
16 Feb 2026
— completed
Validated
16 Feb 2026
— completed
Consultation
11 Mar 2026
— completed
Target date
13 Apr 2026
— completed
Decided
9 Apr 2026
— completed

Application details

Reference
PL/0340/26
Local authority
Harrow
Postcode
HA7 4RY
Ward
Canons
Application type
All Other
Property type
House

Key dates

Submitted
16 Feb 2026
Validated
16 Feb 2026
Comments close
11 Mar 2026
Target decision
13 Apr 2026
Decided
9 Apr 2026

Estimated project value

£56k–£115k

Based on the 36.9m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 36.9m² · 1 additional bedrooms

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.

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