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Permitted22/1040/S73Submitted 4 years agoTwo-storey extension

London Borough of Barnet

Variation of condition 1 (approved plans), 23 (cycle parking), 22 (revised parking layout plan), 26 (revised swept path drawings), 28 (refuse and recycling collection strategy), 30 (hard and soft landscaping) and removal of 24 (detailed design) of planning permission 20/1360/FUL dated 14/07/2021 for `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 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)`. Variation to include modification of the car parking access; office on Mayfield Avenue reduced to accommodate the new access; new parking layout, including redesign of cycle storage; addition of 1.5 metre deep outrigger at the fifth floor, which is set in 2metres from the side elevation; widening of the rear outrigger by one metre at first, second, third and fourth floor: removal of the residential staircase on the right; common corridors and flats modified to accommodate the removal of the staircase; sprinkler fire system to suit new internal configuration; modification of the residential refuse storage to provide one larger area accessible from the street; additional fire exit to Mayfield Avenue for the office on High Road; ventilation systems for parking and common areas (This is a revised description)

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Progress

Submitted
25 Feb 2022
— completed
Validated
25 Feb 2022
— completed
Consultation
24 Mar 2022
— completed
Target date
22 Apr 2022
— completed
Decided
21 May 2025
— completed

Application details

Reference
22/1040/S73
Local authority
Barnet
Ward
WO
Application type
All Other
Property type
Flat

Key dates

Submitted
25 Feb 2022
Validated
25 Feb 2022
Comments close
24 Mar 2022
Target decision
22 Apr 2022
Decided
21 May 2025

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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