Outbuilding / garden room architects in Southwark

19 architects and planning agents with outbuilding / garden room planning history in Southwark, ranked by how many applications they’ve filed — with their approval rate — straight from public council records.

• Design Squared LtdLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  38 in Southwark94% approved
• ResiLoft conversion · Rear extension · Side extension · Extension · Change of use
  32 in Southwark97% approved
• SavillsLoft conversion · Rear extension · Extension · Basement · Change of use
  25 in Southwark76% approved
• Mittelman Associates LLPLoft conversion · Rear extension · Side extension · Extension · New dwelling
  24 in Southwark100% approved
• Resi Design LtdLoft conversion · Rear extension · Side extension · Extension · Basement
  21 in Southwark90% approved
• Acacia Tree Surgeons LtdOutbuilding / garden room · Listed building / conservation
  20 in Southwark100% approved
• Michael Trentham ArchitectsLoft conversion · Rear extension · Side extension · Extension · Basement
  17 in Southwark79% approved
• Iceni ProjectsLoft conversion · Rear extension · Extension · Basement · Outbuilding / garden room
  16 in Southwark85% approved
• Simon Whitehead ArchitectsLoft conversion · Rear extension · Side extension · Extension · Basement
  15 in Southwark80% approved
• Baily GarnerExtension · Change of use · Outbuilding / garden room
  13 in Southwark100% approved
• Chris Scott ArchitectsLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  13 in Southwark92% approved
• HaverstockExtension · Basement · Outbuilding / garden room · Demolition
  12 in Southwark78% approved
• Content Design LimitedLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  10 in Southwark100% approved
• fixated ltdLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  10 in Southwark78% approved
• R2 Studio Architects LtdLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  9 in Southwark89% approved
• Home TalesLoft conversion · Rear extension · Side extension · Extension · New dwelling
  6 in Southwark100% approved
• Intouch Planning LtdLoft conversion · Rear extension · Extension · Outbuilding / garden room · Roof / fenestration
  6 in Southwark80% approved
• KN DESIGNSLoft conversion · Rear extension · Side extension · Extension · Outbuilding / garden room
  6 in Southwark100% approved
• Roger Mears ArchitectsOutbuilding / garden room · Listed building / conservation · Demolition
  5 in Southwark100% approved

Based on public planning-application records. Volume and approval rate reflect filed applications, not a quality judgement — always confirm credentials and references before you hire.