Architects in NW8

St John's Wood and part of Lisson Grove. Detached and semi-detached villas, largely in conservation areas, where basements and rear extensions are the common projects.

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

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Planning authority

Which council decides in NW8?

NW8 is split between 3 councils, so the council that decides your application depends on your street. 847 postcodes, 2.6 miles from our studio.

Council	Share of NW8 postcodes
Westminster	85% (716)
Camden	13% (106)
Brent	3% (25)

By postcode sector

Sector	Postcodes	Council
NW8 0	146	Westminster (mostly; some streets in another council)
NW8 1	14	Brent
NW8 6	140	Westminster (mostly; some streets in another council)
NW8 7	152	Westminster (mostly; some streets in another council)
NW8 8	209	Westminster
NW8 9	186	Westminster

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 Westminster

All planning points for Westminster

There are 56 conservation areas in Westminster.
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The City Plan 2019-2040 (2026) was adopted on 21 January 2026 after a partial review, replacing the 2021 version; work on a full new City Plan began in 2026.
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The 2026 City Plan brings in a retrofit-first approach before demolition, and for the first time developments of fewer than 10 homes must contribute to affordable housing.
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Local planning points

If your home is in Camden

All planning points for Camden

Camden has 40 conservation areas, covering about half of the borough.
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Dormers 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).
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Basements 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).
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Local work