By Borough
Dormer Loft Conversion Drawings by London Council
Borough-by-borough guidance on dormer loft conversion drawings — local conservation areas, Article 4 directions and validation quirks for each council.
Wandsworth
London Borough of WandsworthBromley
London Borough of BromleyHarrow
London Borough of HarrowCamden
London Borough of CamdenLambeth
London Borough of LambethSouthwark
London Borough of SouthwarkHackney
London Borough of HackneyHaringey
London Borough of HaringeyHammersmith & Fulham
London Borough of Hammersmith & FulhamGreenwich
Royal Borough of GreenwichLewisham
London Borough of LewishamCroydon
Croydon CouncilRedbridge
London Borough of RedbridgeEnfield
London Borough of EnfieldHounslow
London Borough of HounslowMerton
London Borough of MertonTower Hamlets
London Borough of Tower HamletsHavering
London Borough of HaveringBexley
London Borough of BexleyHillingdon
London Borough of Hillingdon
London Borough of WandsworthBromley
London Borough of BromleyHarrow
London Borough of HarrowCamden
London Borough of CamdenLambeth
London Borough of LambethSouthwark
London Borough of SouthwarkHackney
London Borough of HackneyHaringey
London Borough of HaringeyHammersmith & Fulham
London Borough of Hammersmith & FulhamGreenwich
Royal Borough of GreenwichLewisham
London Borough of LewishamCroydon
Croydon CouncilRedbridge
London Borough of RedbridgeEnfield
London Borough of EnfieldHounslow
London Borough of HounslowMerton
London Borough of MertonTower Hamlets
London Borough of Tower HamletsHavering
London Borough of HaveringBexley
London Borough of BexleyHillingdon
London Borough of Hillingdon
Dormer Loft 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.