By Borough
Flat Conversion Drawings by London Council
Borough-by-borough guidance on flat conversion drawings — local conservation areas, Article 4 directions and validation quirks for each council.
Ealing
London Borough of EalingWandsworth
London Borough of WandsworthBromley
London Borough of BromleyBarnet
London Borough of BarnetHarrow
London Borough of HarrowRichmond
London Borough of Richmond upon ThamesIslington
London Borough of IslingtonLambeth
London Borough of LambethWaltham Forest
London Borough of Waltham ForestHackney
London Borough of HackneyWestminster
Westminster City CouncilGreenwich
Royal Borough of GreenwichLewisham
London Borough of LewishamCroydon
Croydon CouncilRedbridge
London Borough of RedbridgeEnfield
London Borough of EnfieldMerton
London Borough of MertonNewham
London Borough of NewhamBexley
London Borough of BexleyHillingdon
London Borough of HillingdonBarking & Dagenham
London Borough of Barking and Dagenham
London Borough of EalingWandsworth
London Borough of WandsworthBromley
London Borough of BromleyBarnet
London Borough of BarnetHarrow
London Borough of HarrowRichmond
London Borough of Richmond upon ThamesIslington
London Borough of IslingtonLambeth
London Borough of LambethWaltham Forest
London Borough of Waltham ForestHackney
London Borough of HackneyWestminster
Westminster City CouncilGreenwich
Royal Borough of GreenwichLewisham
London Borough of LewishamCroydon
Croydon CouncilRedbridge
London Borough of RedbridgeEnfield
London Borough of EnfieldMerton
London Borough of MertonNewham
London Borough of NewhamBexley
London Borough of BexleyHillingdon
London Borough of HillingdonBarking & Dagenham
London Borough of Barking and Dagenham
Flat Conversion Drawings in every borough and neighbourhood
Flat Conversion Drawings guides that apply in every borough
These are the same in all 33 councils, so they are worth reading once rather than borough by borough.