Architects in HA8

Edgware, Burnt Oak and part of Canons Park. Interwar semi-detached houses, commonly extended at the side and rear, with hip-to-gable lofts.

RIBA Chartered Practice · ARB-registered architects · Extensions, lofts and planning drawings

Planning authority

Which council decides in HA8?

HA8 is split between 3 councils, so the council that decides your application depends on your street. 1,402 postcodes, 4.4 miles from our studio.

Sector	Postcodes	Council
HA8 0	236	Barnet
HA8 4	33	Barnet
HA8 5	205	Harrow (mostly; some streets in another council)
HA8 6	198	Harrow
HA8 7	165	Barnet (mostly; some streets in another council)
HA8 8	301	Barnet (mostly; some streets in another council)
HA8 9	264	Barnet

Postcode checker

Type any postcode in the 33 London boroughs we cover. We'll tell you which council handles planning there and show you the local planning points.

Local planning points

The Barnet Local Plan 2021 to 2036 was found sound, subject to main modifications, in the inspectors' report dated 6 November 2024.
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The Local Plan's HMO policy, as modified, treats a concentration of HMOs as harmful where three or more of the ten nearest properties are already HMOs, and protects existing HMOs of a reasonable standard unless there is no local need.
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As modified, the plan expects all housing schemes to include family-sized homes, which matters when converting or redeveloping a larger house.
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Local planning points

The Residential Design Guide SPD (2010) sets no fixed depth for single-storey rear extensions that need permission. Extra depth is expected to be set in from the side boundary by twice that depth.
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Two-storey rear extensions must meet the 45-degree code and are generally not possible on mid-terraced houses.
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The Harrow Local Plan 2021–2041 was adopted on 24 March 2026, replacing the 2012 Core Strategy and 2013 development management policies.
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Local work