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Permitted17/7045/FULTwo-storey extension

912-920 High Road Barnet N12 9RW

Partial demolition of existing garages to the rear of 912-920 High road including buildings extending to Mayfield Avenue and excavation and erection of a two-storey rear extension (Comprising for ground and basement level) to provide class B1 (Office space) space and basement level parking. Change of use of retained garage fronting High Road to class B1 (Office space).

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
18 Dec 2018
— completed

Application details

Reference
17/7045/FUL
Local authority
Barnet
Postcode
N12 9RW
Ward
WOODHOUSE
Application type
All Other
Property type
Commercial

Key dates

Decided
18 Dec 2018

Estimated project value

£75k–£175k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 8 recent sales are listed below.

Homes here go for about £277,500 — the median of the last 8 market sales in N12 9RW, £242,500 to £365,000.

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.

Nearby applications