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PermittedP/1151/23Submitted 3 years agoRear extension

21 Bolton Road Harrow HA1 4SB

Single storey rear link extension to outbuilding; conversion of outbuilding to habitable room; external alterations (retrospective)

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Map of the site

Progress

Submitted
20 Apr 2023
— completed
Validated
20 Apr 2023
— completed
Consultation
12 May 2023
— completed
Target date
15 Jun 2023
— completed
Decided
15 Jun 2023
— completed

Application details

Reference
P/1151/23
Local authority
Harrow
Postcode
HA1 4SB
Ward
Headstone
Application type
Householder
Property type
House

Key dates

Submitted
20 Apr 2023
Validated
20 Apr 2023
Comments close
12 May 2023
Target decision
15 Jun 2023
Decided
15 Jun 2023

Estimated project value

£14k–£23k

Based on the 6.0m² 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: 6m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £600,000 — the median of the last 7 market sales in HA1 4SB, £521,150 to £700,000.

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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