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Permitted25/4971/PNHSubmitted 10 months agoRear extension

17 Northfield Road London Borough of Barnet EN4 9DN

Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.40m and eaves height of 3.00m following the demolition of the existing rear extension and sheds

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Map of the site

Progress

Submitted
12 Dec 2025
— completed
Validated
12 Dec 2025
— completed
Consultation
—
— completed
Target date
23 Jan 2026
— completed
Decided
16 Jan 2026
— completed

Application details

Reference
25/4971/PNH
Local authority
Barnet
Postcode
EN4 9DN
Ward
EB22
Application type
Prior Approval
Property type
House

Key dates

Submitted
12 Dec 2025
Validated
12 Dec 2025
Target decision
23 Jan 2026
Decided
16 Jan 2026

Estimated project value

£69k–£115k

Based on the 30.6m² 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: 30.6m²

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 £649,000 — the median of the last 8 market sales in EN4 9DN, £542,000 to £705,000.

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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