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Permitted25/4251/HSESubmitted 10 months agoRear extension

139 Lancaster Road London Borough of Barnet EN4 8AJ

Single storey side and rear extension with new patio area and associated access steps

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Progress

Submitted
23 Oct 2025
— completed
Validated
23 Oct 2025
— completed
Consultation
—
— completed
Target date
18 Dec 2025
— completed
Decided
18 Dec 2025
— completed

Application details

Reference
25/4251/HSE
Local authority
Barnet
Postcode
EN4 8AJ
Ward
EB22
Application type
Householder
Property type
House

Key dates

Submitted
23 Oct 2025
Validated
23 Oct 2025
Target decision
18 Dec 2025
Decided
18 Dec 2025

Estimated project value

£42k–£69k

Based on the 18.4m² 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: 18.4m²

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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