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Planning guides

London planning guides

Borough-by-borough guides covering Article 4, conservation areas, Permitted Development, listed buildings and basements.

Technical drawings reviewed on tablet — architectural drawings in London

Article 4 Direction in London

What Article 4 restricts in every London borough, how it affects extensions, lofts and HMOs, and how to plan around it.

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Conservation area planning in London

every London borough has many conservation areas. What changes inside them, how Heritage Statements work, and which alterations still qualify.

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CamdenConservation area planning in Camden IslingtonConservation area planning in Islington HackneyConservation area planning in Hackney WestminsterConservation area planning in Westminster Kensington and ChelseaConservation area planning in Kensington and Chelsea Hammersmith and FulhamConservation area planning in Hammersmith and Fulham WandsworthConservation area planning in Wandsworth LambethConservation area planning in Lambeth SouthwarkConservation area planning in Southwark LewishamConservation area planning in Lewisham GreenwichConservation area planning in Greenwich Tower HamletsConservation area planning in Tower Hamlets BarnetConservation area planning in Barnet HaringeyConservation area planning in Haringey Waltham ForestConservation area planning in Waltham Forest RedbridgeConservation area planning in Redbridge NewhamConservation area planning in Newham EalingConservation area planning in Ealing HounslowConservation area planning in Hounslow Richmond upon ThamesConservation area planning in Richmond upon Thames Kingston upon ThamesConservation area planning in Kingston upon Thames MertonConservation area planning in Merton SuttonConservation area planning in Sutton CroydonConservation area planning in Croydon BromleyConservation area planning in Bromley BexleyConservation area planning in Bexley HaveringConservation area planning in Havering Barking and DagenhamConservation area planning in Barking and Dagenham EnfieldConservation area planning in Enfield BrentConservation area planning in Brent HarrowConservation area planning in Harrow HillingdonConservation area planning in Hillingdon City of LondonConservation area planning in City of London

Permitted development in London

Single-storey rear extensions, lofts and side extensions you can build in every London borough without full planning — and the exceptions.

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CamdenPermitted development in Camden IslingtonPermitted development in Islington HackneyPermitted development in Hackney WestminsterPermitted development in Westminster Kensington and ChelseaPermitted development in Kensington and Chelsea Hammersmith and FulhamPermitted development in Hammersmith and Fulham WandsworthPermitted development in Wandsworth LambethPermitted development in Lambeth SouthwarkPermitted development in Southwark LewishamPermitted development in Lewisham GreenwichPermitted development in Greenwich Tower HamletsPermitted development in Tower Hamlets BarnetPermitted development in Barnet HaringeyPermitted development in Haringey Waltham ForestPermitted development in Waltham Forest RedbridgePermitted development in Redbridge NewhamPermitted development in Newham EalingPermitted development in Ealing HounslowPermitted development in Hounslow Richmond upon ThamesPermitted development in Richmond upon Thames Kingston upon ThamesPermitted development in Kingston upon Thames MertonPermitted development in Merton SuttonPermitted development in Sutton CroydonPermitted development in Croydon BromleyPermitted development in Bromley BexleyPermitted development in Bexley HaveringPermitted development in Havering Barking and DagenhamPermitted development in Barking and Dagenham EnfieldPermitted development in Enfield BrentPermitted development in Brent HarrowPermitted development in Harrow HillingdonPermitted development in Hillingdon City of LondonPermitted development in City of London

Listed building consent in London

How Listed Building Consent works in every London borough, when you need it, and how to get a sensitive design approved.

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CamdenListed building consent in Camden IslingtonListed building consent in Islington HackneyListed building consent in Hackney WestminsterListed building consent in Westminster Kensington and ChelseaListed building consent in Kensington and Chelsea Hammersmith and FulhamListed building consent in Hammersmith and Fulham WandsworthListed building consent in Wandsworth LambethListed building consent in Lambeth SouthwarkListed building consent in Southwark LewishamListed building consent in Lewisham GreenwichListed building consent in Greenwich Tower HamletsListed building consent in Tower Hamlets BarnetListed building consent in Barnet HaringeyListed building consent in Haringey Waltham ForestListed building consent in Waltham Forest RedbridgeListed building consent in Redbridge NewhamListed building consent in Newham EalingListed building consent in Ealing HounslowListed building consent in Hounslow Richmond upon ThamesListed building consent in Richmond upon Thames Kingston upon ThamesListed building consent in Kingston upon Thames MertonListed building consent in Merton SuttonListed building consent in Sutton CroydonListed building consent in Croydon BromleyListed building consent in Bromley BexleyListed building consent in Bexley HaveringListed building consent in Havering Barking and DagenhamListed building consent in Barking and Dagenham EnfieldListed building consent in Enfield BrentListed building consent in Brent HarrowListed building consent in Harrow HillingdonListed building consent in Hillingdon City of LondonListed building consent in City of London

Basement extensions in London

every London borough's basement policy and what's approvable today.

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London planning guides in London — a London terraced street of the type we survey
A london terraced street of the type we survey — london planning guides in London.

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A printed planning application drawing set — proposed elevations, floor plans and the os location plan with the site outlined in red — london planning guides in London
The planning set that goes to the council through the Planning Portal: proposed elevations, plans, and the OS location plan with your site outlined.

Every guide in the library

Standalone planning and building-control explainers, plus how each London property type is treated — from Georgian townhouses to ex-local-authority flats.

How much does a 3m rear extension cost in 2026? The 45-degree rule for extensions, explained Do you need an architect or an architectural designer? Building over a sewer: build over agreements explained Dormer vs mansard loft conversions compared How long does a house extension take? The Party Wall Act 1996 , step by step Permitted development rules: what you can build without planning permission Planning permission vs building regulations: what is the difference? 1930s semi-detached extensions in Camden 1930s semi-detached extensions in Hackney 1930s semi-detached extensions in Hammersmith and Fulham 1930s semi-detached extensions in Islington 1930s semi-detached extensions in Kensington and Chelsea 1930s semi-detached extensions in Lambeth 1930s semi-detached extensions in Southwark 1930s semi-detached extensions in Tower Hamlets 1930s semi-detached extensions in Wandsworth 1930s semi-detached extensions in Westminster Edwardian villa extensions in Camden Edwardian villa extensions in Hackney Edwardian villa extensions in Hammersmith and Fulham Edwardian villa extensions in Islington Edwardian villa extensions in Kensington and Chelsea Edwardian villa extensions in Lambeth Edwardian villa extensions in Southwark Edwardian villa extensions in Tower Hamlets Edwardian villa extensions in Wandsworth Edwardian villa extensions in Westminster Georgian townhouse extensions in Camden Georgian townhouse extensions in Hackney Georgian townhouse extensions in Hammersmith and Fulham Georgian townhouse extensions in Islington Georgian townhouse extensions in Kensington and Chelsea Georgian townhouse extensions in Lambeth Georgian townhouse extensions in Southwark Georgian townhouse extensions in Tower Hamlets Georgian townhouse extensions in Wandsworth Georgian townhouse extensions in Westminster Extension guides by London property type Modern flat extensions in Camden Modern flat extensions in Hackney Modern flat extensions in Hammersmith and Fulham Modern flat extensions in Islington Modern flat extensions in Kensington and Chelsea Modern flat extensions in Lambeth Modern flat extensions in Southwark Modern flat extensions in Tower Hamlets Modern flat extensions in Wandsworth Modern flat extensions in Westminster Victorian terrace extensions in Camden Victorian terrace extensions in Hackney Victorian terrace extensions in Hammersmith and Fulham Victorian terrace extensions in Islington Victorian terrace extensions in Kensington and Chelsea Victorian terrace extensions in Lambeth Victorian terrace extensions in Southwark Victorian terrace extensions in Tower Hamlets Victorian terrace extensions in Wandsworth Victorian terrace extensions in Westminster Wraparound extensions : worth the planning process?

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council-ready drawing review · All 33 London boroughs