Architects in N11
New Southgate, Friern Barnet and Arnos Grove. Edwardian and interwar terraces and semis, with rear extensions and loft conversions the usual projects.
RIBA Chartered Practice · ARB-registered architects · Extensions, lofts and planning drawings
Planning authority
Which council decides in N11?
N11 is split between 3 councils, so the council that decides your application depends on your street. 613 postcodes, 5.3 miles from our studio.
By postcode sector
| Sector | Postcodes | Council |
|---|---|---|
| N11 1 | 198 | Barnet (mostly; some streets in another council) |
| N11 2 | 213 | Haringey (mostly; some streets in another council) |
| N11 3 | 192 | Barnet |
| N11 9 | 10 | Enfield |
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Check your exact postcode
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
If your home is in Barnet
The Barnet Local Plan 2021 to 2036 was found sound, subject to main modifications, in the inspectors' report dated 6 November 2024.
SourceThe 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.
SourceAs modified, the plan expects all housing schemes to include family-sized homes, which matters when converting or redeveloping a larger house.
Source
Local planning points
If your home is in Enfield
Article 4 directions cover all or part of many conservation areas, including Enfield Town, Enfield Lock, Bush Hill Park, Winchmore Hill, Grange Park and Southgate Green, so minor external works there can need planning permission.
SourceA new Enfield Local Plan is at examination; the inspector issued his post-hearing letter (IN14) in June 2026.
SourceThe adopted Core Strategy dates from November 2010 and covered the period 2010 to 2025, so it is due to be replaced by the new Local Plan.
Source
Local planning points
If your home is in Haringey
An Article 4 direction has removed permitted development rights for small HMOs in 14 wards in the east of the borough since 30 November 2013, so converting a house to a small HMO there needs planning permission.
SourceThe council lists 28 conservation areas, including Crouch End, Highgate, Muswell Hill, Noel Park and the five areas that make up the Tottenham High Road Historic Corridor.
SourceFour Article 4 directions in conservation areas remove some permitted development rights, so some minor external works there need planning permission.
Source
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