Basement architects in St Helens

1 architects and planning agents with basement planning history in St Helens, ranked by application volume — straight from public council records.

All workBasementChange of useConservatory / orangeryDemolitionExtensionGarage conversionListed building / conservationLoft conversionNew dwellingOutbuilding / garden roomPorchRear extensionRoof / fenestrationShopfront / commercialSide extension

• RJG Architecture LTDLoft conversion · Rear extension · Side extension · Extension · Basement
  30 in St Helens86% 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.