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PermittedP/4992/21Submitted 4 years agoRear extension

66 Boxtree Road Harrow HA3 6TH

Single storey side extension; single storey rear extension; conversion of garage to home office (retrospective); single storey front to side extension; alterations and extension to raise garage roof height; conversion of garage to habitable room; external alterations.

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Progress

Submitted
12 Jan 2022
— completed
Validated
12 Jan 2022
— completed
Consultation
2 Feb 2022
— completed
Target date
9 Mar 2022
— completed
Decided
9 Mar 2022
— completed

Application details

Reference
P/4992/21
Local authority
Harrow
Postcode
HA3 6TH
Ward
Harrow Weald
Application type
Householder
Property type
Commercial

Key dates

Submitted
12 Jan 2022
Validated
12 Jan 2022
Comments close
2 Feb 2022
Target decision
9 Mar 2022
Decided
9 Mar 2022

Estimated project value

£90k–£150k

Based on the 40.0m² 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: 40m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing.

Homes here go for about £569,000 — the median of the last 5 market sales in HA3 6TH, £460,000 to £640,000.

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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