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Permitted25/0307/HSESubmitted over a year agoLoft conversion

15 Gainsborough Road London Borough of Barnet N12 8AA

Roof extension with rear dormer window and 2no. front facing rooflights

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Progress

Submitted
27 Jan 2025
— completed
Validated
27 Jan 2025
— completed
Consultation
—
— completed
Target date
24 Mar 2025
— completed
Decided
12 Mar 2025
— completed

Application details

Reference
25/0307/HSE
Local authority
Barnet
Postcode
N12 8AA
Ward
WF22
Application type
Householder
Property type
House

Key dates

Submitted
27 Jan 2025
Validated
27 Jan 2025
Target decision
24 Mar 2025
Decided
12 Mar 2025

Estimated project value

£20k–£42k

Based on the 12.4m² 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: 12.4m² · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £646,849 — the median of the last 8 market sales in N12 8AA, £430,000 to £960,000.

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.

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