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Permitted20/5989/192Submitted 5 years agoRear extension

578 High Road London Borough of Barnet N12 0AD

Single storey rear extension

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Progress

Submitted
11 Dec 2020
— completed
Validated
11 Dec 2020
— completed
Consultation
—
— completed
Target date
5 Feb 2021
— completed
Decided
5 Jan 2021
— completed

Application details

Reference
20/5989/192
Local authority
Barnet
Postcode
N12 0AD
Ward
WO
Application type
All Other
Property type
House

Key dates

Submitted
11 Dec 2020
Validated
11 Dec 2020
Target decision
5 Feb 2021
Decided
5 Jan 2021

Estimated project value

£27k–£45k

Based on the 11.0m² 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: 11m²

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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