← Back to search

Permitted25/3991/HSESubmitted over a year agoRear extension

1 Hertford Road London Borough of Barnet EN4 9BH

Single storey rear extension with 2no. rooflights following demolition of conservatory. Partial conversion of garage to habitable room including raising height of roof and insertion of 1no. rooflight

Find on council portal

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Map of the site

Progress

Submitted
9 Oct 2025
— completed
Validated
9 Oct 2025
— completed
Consultation
—
— completed
Target date
4 Dec 2025
— completed
Decided
10 Nov 2025
— completed

Application details

Reference
25/3991/HSE
Local authority
Barnet
Postcode
EN4 9BH
Ward
EB22
Application type
Householder
Property type
House

Key dates

Submitted
9 Oct 2025
Validated
9 Oct 2025
Target decision
4 Dec 2025
Decided
10 Nov 2025

Estimated project value

£34k–£57k

Based on the 15.0m² 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: 15m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £527,500 — the median of the last 8 market sales in EN4 9BH, £365,700 to £650,000.

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.

Nearby applications