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PermittedP/4971/21Submitted 4 years agoLoft conversion

51 Warden Avenue Harrow HA2 9LL

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable

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Progress

Submitted
21 Dec 2021
— completed
Validated
21 Dec 2021
— completed
Consultation
21 Dec 2021
— completed
Target date
15 Feb 2022
— completed
Decided
9 Feb 2022
— completed

Application details

Reference
P/4971/21
Local authority
Harrow
Postcode
HA2 9LL
Ward
Rayners Lane
Application type
All Other
Property type
House

Key dates

Submitted
21 Dec 2021
Validated
21 Dec 2021
Comments close
21 Dec 2021
Target decision
15 Feb 2022
Decided
9 Feb 2022

Estimated project value

£42k–£88k

Based on the 28.0m² 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: 28m² · 1 additional bedrooms

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 £587,500 — the median of the last 6 market sales in HA2 9LL, £456,500 to £710,000.

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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