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Permitted25/4792/HSESubmitted 9 months agoRear extension

57 Belmont Avenue London Borough of Barnet EN4 9JS

Single storey rear extension with pitched roof, 2no. rooflights and alterations to patio area and access steps

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Progress

Submitted
8 Dec 2025
— completed
Validated
8 Dec 2025
— completed
Consultation
—
— completed
Target date
2 Feb 2026
— completed
Decided
2 Feb 2026
— completed

Application details

Reference
25/4792/HSE
Local authority
Barnet
Postcode
EN4 9JS
Ward
EB22
Application type
Householder
Property type
House

Key dates

Submitted
8 Dec 2025
Validated
8 Dec 2025
Target decision
2 Feb 2026
Decided
2 Feb 2026

Estimated project value

£40k–£67k

Based on the 17.8m² 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: 17.8m²

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £712,500 — the median of the last 8 market sales in EN4 9JS, £420,000 to £900,000.

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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