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PermittedP/0281/23Submitted 3 years agoRear extension

21 Walton Road Harrow HA1 4UX

Single storey rear extension; external alterations (demolition of rear extension)

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Map of the site

Progress

Submitted
26 Jan 2023
— completed
Validated
26 Jan 2023
— completed
Consultation
21 Feb 2023
— completed
Target date
23 Mar 2023
— completed
Decided
22 Mar 2023
— completed

Application details

Reference
P/0281/23
Local authority
Harrow
Postcode
HA1 4UX
Ward
Marlborough
Application type
Householder
Property type
House

Key dates

Submitted
26 Jan 2023
Validated
26 Jan 2023
Comments close
21 Feb 2023
Target decision
23 Mar 2023
Decided
22 Mar 2023

Estimated project value

£44k–£73k

Based on the 19.5m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 19.5m²

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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