Architects in N6
Highgate and the streets around Highgate Wood and Hornsey Lane. Much of it is in conservation areas, with listed houses in the village.
RIBA Chartered Practice · ARB-registered architects · Extensions, lofts and planning drawings

Planning authority
Which council decides in N6?
N6 is split between 3 councils, so the council that decides your application depends on your street. 496 postcodes, 3.4 miles from our studio.
By postcode sector
| Sector | Postcodes | Council |
|---|---|---|
| N6 4 | 142 | Haringey (mostly; some streets in another council) |
| N6 5 | 240 | Haringey (mostly; some streets in another council) |
| N6 6 | 111 | Camden |
| N6 9 | 3 | Islington |
Postcode checker
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 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
Local planning points
If your home is in Camden
Camden has 40 conservation areas, covering about half of the borough.
SourceDormers should be subordinate to the roof slope, sit within it and keep even distances to the ridge, eaves and side parapet walls; rear extensions should pass the 45-degree and 25-degree daylight tests and leave a reasonably sized garden (Home Improvements CPG, 2021).
SourceBasements should be no more than one storey, cover no more than 50% of each garden, extend into the garden no further than 50% of the depth of the house from the main rear wall, and be less than 1.5 times the house's footprint (Local Plan policy A5, 2017).
Source
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