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Permitted21/0241/HSESubmitted 5 years agoRear extension

578 High Road London Borough of Barnet N12 0AD

Single storey rear extension

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Progress

Submitted
18 Jan 2021
— completed
Validated
18 Jan 2021
— completed
Consultation
—
— completed
Target date
15 Mar 2021
— completed
Decided
16 Mar 2021
— completed

Application details

Reference
21/0241/HSE
Local authority
Barnet
Postcode
N12 0AD
Ward
WO
Application type
Householder
Property type
House

Key dates

Submitted
18 Jan 2021
Validated
18 Jan 2021
Target decision
15 Mar 2021
Decided
16 Mar 2021

Estimated project value

£49k–£81k

Based on the 20.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 20m²

Recently sold nearby

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

Homes here go for about £407,500 — the median of the last 7 market sales in N12 0AD, £355,000 to £905,000.

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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