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PermittedP/0022/23Submitted 3 years agoRear extension

10 Chestnut Avenue Harrow HA8 7RA

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Installation of window to front at ground floor level; alterations to main entrance and replacement of front door; installation of bi-fold doors to rear; installation of rooflight in existing single storey rear extension; blocking up of two doors and window in side elevation at ground floor level; alterations, installation and replacement of windows in rear elevation at first floor level; installation of two rooflights in rear roofslope

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Map of the site

Progress

Submitted
4 Jan 2023
— completed
Validated
4 Jan 2023
— completed
Consultation
4 Jan 2023
— completed
Target date
1 Mar 2023
— completed
Decided
22 Jun 2023
— completed

Application details

Reference
P/0022/23
Local authority
Harrow
Postcode
HA8 7RA
Ward
Canons
Application type
All Other
Property type
House

Key dates

Submitted
4 Jan 2023
Validated
4 Jan 2023
Comments close
4 Jan 2023
Target decision
1 Mar 2023
Decided
22 Jun 2023

Estimated project value

£38k–£69k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

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

Homes here go for about £960,000 — the median of the last 8 market sales in HA8 7RA, £687,000 to £1,710,000.

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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