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Refused25/4816/HSESubmitted 9 months agoRear extension

Windmill Lane London Borough of Barnet EN5 3HX

Single storey side extension with balcony above. Enclosure of existing ground floor side veranda and first floor side balcony. Single storey rear extension with green roof and associated glass balustrade. Enclosure of first floor front balcony. Side and rear extensions to existing garage including addition of a pitched roof with 4no. rooflights and front and rear gable windows to provide a workshop at first floor level, following demolition of shed

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Progress

Submitted
5 Dec 2025
— completed
Validated
5 Dec 2025
— completed
Consultation
— completed
Target date
30 Jan 2026
— completed
Decided
29 Jan 2026
— completed

Application details

Reference
25/4816/HSE
Local authority
Barnet
Postcode
EN5 3HX
Ward
HB22
Application type
Householder
Property type
House

Key dates

Submitted
5 Dec 2025
Validated
5 Dec 2025
Target decision
30 Jan 2026
Decided
29 Jan 2026

Estimated project value

£79k–£130k

Based on the 35.0m² 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: 35

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £1,070,000 — the median of the last 6 market sales in EN5 3HX, £625,000 to £1,590,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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