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PermittedP/4174/21Submitted 5 years agoRear extension

242 Cannon Lane Harrow HA5 1JD

Single storey rear extension; conversion of garage and store to bedroom with installation of window to front and door to side; external alterations

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Map of the site

Progress

Submitted
18 Oct 2021
— completed
Validated
18 Oct 2021
— completed
Consultation
9 Nov 2021
— completed
Target date
13 Dec 2021
— completed
Decided
13 Dec 2021
— completed

Application details

Reference
P/4174/21
Local authority
Harrow
Postcode
HA5 1JD
Ward
PINNER SOUTH
Application type
Householder
Property type
House

Key dates

Submitted
18 Oct 2021
Validated
18 Oct 2021
Comments close
9 Nov 2021
Target decision
13 Dec 2021
Decided
13 Dec 2021

Estimated project value

£140k–£230k

Based on the 61.4m² 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: 61.35m² · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £635,000 — the median of the last 7 market sales in HA5 1JD, £552,000 to £750,000.

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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