Extension architects in Westminster
47 architects and planning agents with extension planning history in Westminster, ranked by how many applications they’ve filed — with their approval rate — straight from public council records.
- NewmarkExtension · Basement · New dwelling · Change of use · Listed building / conservation179 in Westminster96% approved
- DP9Rear extension · Side extension · Extension · Basement · Change of use45 in Westminster100% approved
- DP9 LtdExtension · Basement · New dwelling · Change of use · Listed building / conservation41 in Westminster100% approved
- FirstplanLoft conversion · Rear extension · Side extension · Extension · Basement39 in Westminster79% approved
- SavillsSide extension · Extension · Basement · Change of use · Conservatory / orangery37 in Westminster100% approved
- Newmark Gerald Eve LLPExtension · Basement · Listed building / conservation · Shopfront / commercial · Demolition32 in Westminster100% approved
- TurleyLoft conversion · Extension · Basement · Change of use · Listed building / conservation31 in Westminster100% approved
- Montagu EvansExtension · Basement · Listed building / conservation · Shopfront / commercial · Demolition24 in Westminster100% approved
- Montagu Evans LLPLoft conversion · Extension · Basement · Demolition · Roof / fenestration24 in Westminster100% approved
- Rolfe Judd PlanningRear extension · Extension · Basement · Change of use · Listed building / conservation23 in Westminster100% approved
- Jones Lang LaSalle LimitedExtension · Basement · Listed building / conservation · Shopfront / commercial · Demolition20 in Westminster0% approved
- hgh ConsultingLoft conversion · Rear extension · Extension · Basement · Change of use15 in Westminster100% approved
- Savills (UK) LimitedExtension · Basement · Listed building / conservation · Shopfront / commercial · Demolition15 in Westminster33% approved
- The Planning LabRear extension · Extension · Basement · Listed building / conservation · Shopfront / commercial13 in Westminster100% approved
- Q Square Group LtdLoft conversion · Rear extension · Extension · Basement · Listed building / conservation12 in Westminster— approved
- DP9 LimitedSide extension · Extension · Basement · Change of use · Listed building / conservation11 in Westminster100% approved
- Gerald EveExtension · Basement · Listed building / conservation · Shopfront / commercial · Demolition11 in Westminster100% approved
- Garnett Architecture LLPRear extension · Extension · Basement · Listed building / conservation · Demolition10 in Westminster100% approved
- LichfieldsExtension · Basement · Listed building / conservation · Demolition · Roof / fenestration9 in Westminster100% approved
- Planning Potential Ltd.Rear extension · Extension · Basement · Demolition · Roof / fenestration9 in Westminster100% approved
- Smith Jenkins LtdExtension · Basement · Listed building / conservation8 in Westminster— approved
- Howard de Walden Estates ltdRear extension · Extension · Basement · Change of use · Shopfront / commercial7 in Westminster100% approved
- Logic PlanningRear extension · Extension · Basement · Demolition7 in Westminster100% approved
- 4D PlanningExtension · Basement · Change of use6 in Westminster— approved
- Future Planning and DevelopmentExtension · Basement6 in Westminster100% approved
- Metropolis PlanningExtension · Shopfront / commercial6 in Westminster— approved
- ADL Planning Pty LtdExtension · Roof / fenestration5 in Westminster— approved
- AHA - Alexander Hobbs AssociatesRear extension · Extension · Basement · Roof / fenestration5 in Westminster— approved
- London InternationalExtension5 in Westminster100% approved
- Marek Wojciechowski ArchitectsSide extension · Extension · Conservatory / orangery · Roof / fenestration5 in Westminster100% approved
- Resi Design LtdRear extension · Side extension · Extension · Garage conversion · Roof / fenestration5 in Westminster— approved
- Town Planning BureauExtension · Basement · Listed building / conservation · Demolition5 in Westminster— approved
- Atomik ArchitectureExtension · Basement4 in Westminster75% approved
- Feilden+Mawson LLPRear extension · Extension · Basement · Demolition4 in Westminster— approved
- Gundry and Ducker ArchitectureExtension · Basement · Demolition · Roof / fenestration4 in Westminster— approved
- Hugh Cullum Architects LtdExtension · Roof / fenestration4 in Westminster100% approved
- IBLARear extension · Extension · Basement · Listed building / conservation4 in Westminster100% approved
- Jon Dingle LtdExtension4 in Westminster100% approved
- Maddox PlanningRear extension · Extension · Basement · Demolition4 in Westminster— approved
- Nash Baker ArchitectsRear extension · Extension · Roof / fenestration4 in Westminster— approved
- Newmark LLPExtension · Conservatory / orangery · Demolition4 in Westminster100% approved
- totemstudio LondonLoft conversion · Rear extension · Extension · Basement · Roof / fenestration4 in Westminster0% approved
- TT ArchitectsExtension · Basement · Shopfront / commercial4 in Westminster50% approved
- Centro Planning ConsultancyExtension · Basement · Change of use · Shopfront / commercial3 in Westminster— approved
- Forward Planning and DevelopmentExtension · Basement · Roof / fenestration3 in Westminster— approved
- Haskins Design LtdRear extension · Extension · Demolition3 in Westminster— approved
- Lambeth PlanningExtension · Basement · Demolition3 in Westminster100% approved
Other work in Westminster
All architects in WestminsterBasementListed building / conservationRoof / fenestrationShopfront / commercialDemolitionRear extensionChange of useConservatory / orangeryLoft conversionSide extension
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.