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PermittedP/2276/22Submitted 4 years agoLoft conversion

21 Walton Road Harrow HA1 4UX

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer; three rooflights in front roofslope

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Map of the site

Progress

Submitted
15 Jun 2022
— completed
Validated
15 Jun 2022
— completed
Consultation
15 Jun 2022
— completed
Target date
10 Aug 2022
— completed
Decided
10 Aug 2022
— completed

Application details

Reference
P/2276/22
Local authority
Harrow
Postcode
HA1 4UX
Ward
Marlborough
Application type
All Other
Property type
House

Key dates

Submitted
15 Jun 2022
Validated
15 Jun 2022
Comments close
15 Jun 2022
Target decision
10 Aug 2022
Decided
10 Aug 2022

Estimated project value

£48k–£100k

Based on the 32.0m² 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: 32m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £283,000 — the median of the last 7 market sales in HA1 4UX, £230,000 to £585,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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