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Permitted20/1360/FULSubmitted 6 years agoTwo-storey extension

London Borough of Barnet

Retention of ground floor level and demolition of first floor existing roof and chimneys. Erection of a six-storey building with part three storey, part-five storey rear extension to facilitate the construction of 24no self-contained residential units including amenity space for each unit. Ground floor in-fill extension. Excavation of basement level to facilitate provision of 29no car parking spaces (Comprising for ground and basement level), cycle storage and refuse and recycling storage. 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
18 Mar 2020
— completed
Validated
18 Mar 2020
— completed
Consultation
14 Apr 2020
— completed
Target date
17 Jun 2020
— completed
Decided
15 Jul 2021
— completed

Application details

Reference
20/1360/FUL
Local authority
Barnet
Ward
WO
Application type
All Other
Property type
Commercial

Key dates

Submitted
18 Mar 2020
Validated
18 Mar 2020
Comments close
14 Apr 2020
Target decision
17 Jun 2020
Decided
15 Jul 2021

Estimated project value

£55k–£130k

Typical UK cost for this job type, at UK average 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.

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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