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Permitted25/1496/HSESubmitted over a year agoTwo-storey extension

10 West Heath Avenue London Borough of Barnet NW11 7QL

Modification of existing two-storey extension including changes to fenestration and materiality, and alterations to roof including insertion of 3no. rooflights to the front and 3no rooflights to the rear roof slopes (amended description)

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Progress

Submitted
9 Apr 2025
— completed
Validated
9 Apr 2025
— completed
Consultation
—
— completed
Target date
4 Jun 2025
— completed
Decided
8 May 2025
— completed

Application details

Reference
25/1496/HSE
Local authority
Barnet
Postcode
NW11 7QL
Ward
CH22
Application type
Householder
Property type
House

Key dates

Submitted
9 Apr 2025
Validated
9 Apr 2025
Target decision
4 Jun 2025
Decided
8 May 2025

Estimated project value

£75k–£175k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

Recently sold nearby

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

Homes here go for about £5,750,000 — the median of the last 7 market sales in NW11 7QL, £3,115,000 to £8,000,000.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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