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Permitted23/4311/HSESubmitted 2 years agoRear extension

139 Lancaster Road London Borough of Barnet EN4 8AJ

Single storey side and rear extension

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Progress

Submitted
6 Oct 2023
— completed
Validated
6 Oct 2023
— completed
Consultation
—
— completed
Target date
1 Dec 2023
— completed
Decided
14 Dec 2023
— completed

Application details

Reference
23/4311/HSE
Local authority
Barnet
Postcode
EN4 8AJ
Ward
EB22
Application type
Householder
Property type
House

Key dates

Submitted
6 Oct 2023
Validated
6 Oct 2023
Target decision
1 Dec 2023
Decided
14 Dec 2023

Estimated project value

£22k–£37k

Based on the 9.7m² 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: 9.7m²

Recently sold nearby

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

Homes here go for about £500,000 — the median of the last 7 market sales in EN4 8AJ, £375,000 to £555,000.

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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