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Permitted25/1211/HSESubmitted over a year agoLoft conversion

21 Bethune Avenue London Borough of Barnet N11 3LD

Part single, part two storey side and rear extension following demolition of the existing garage. New front porch. Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no. front facing rooflights and new side gable window

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Progress

Submitted
24 Mar 2025
— completed
Validated
24 Mar 2025
— completed
Consultation
—
— completed
Target date
19 May 2025
— completed
Decided
22 Apr 2025
— completed

Application details

Reference
25/1211/HSE
Local authority
Barnet
Postcode
N11 3LD
Ward
FB22
Application type
Householder
Property type
House

Key dates

Submitted
24 Mar 2025
Validated
24 Mar 2025
Target decision
19 May 2025
Decided
22 Apr 2025

Estimated project value

£185k–£380k

Based on the 113m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 113m² · 2 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.

Homes here go for about £765,000 — the median of the last 8 market sales in N11 3LD, £725,000 to £980,000.

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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