Planning applications & architects in SW1X

66 architect-designed planning applications on record in SW1X (Westminster), 94% approved. Here are the architects most active here and recent real applications — straight from public council records.

Most active architects in SW1X

• Boundary Space Ltd.Listed building / conservation
  5 in SW1X— approved
• DP9Basement · Listed building / conservation · Demolition
  5 in SW1X— approved
• Montagu Evans LLPBasement
  4 in SW1X— approved
• Murray Birrell LtdBasement · Listed building / conservation
  4 in SW1X— approved
• CLINCH DESIGNPlanning applications
  3 in SW1X— approved
• hgh ConsultingListed building / conservation
  3 in SW1X100% approved
• SavillsBasement · Demolition
  3 in SW1X— approved
• Warren Rosing ArchitectsPlanning applications
  3 in SW1X— approved
• ACH ArchitectsConservatory / orangery
  2 in SW1X— approved
• AHA - Alexander Hobbs AssociatesExtension · Basement · Roof / fenestration
  2 in SW1X— approved
• Cranbrook Basement Design and Construction LtdBasement
  2 in SW1X— approved
• Leconfield Property Group LtdPlanning applications
  2 in SW1X— approved

Recent applications in SW1X

• 2 Chesham Hotel 2 Chesham Street London SW1X 8DTDP9Approved2026
• 2 Chesham Hotel 2 Chesham Street London SW1X 8DTDP9Approved2026
• 16 Motcomb Street London SW1X 8LBPlanning Potential Ltd.Approved2026
• 40 Grosvenor Place London SW1X 7HJMontagu Evans LLPApproved2026
• 16 Motcomb Street London SW1X 8LBBasementPlanning Potential Ltd.Approved2026
• 11A Belgrave Square London SW1X 8PHBasementSavillsApproved2026
• 46 Eaton Place London SW1X 8ALExtensionMontagu EvansApproved2026
• 12 Upper Belgrave Street London SW1X 8BAhgh ConsultingApproved2026
• 12 Upper Belgrave Street London SW1X 8BAhgh ConsultingApproved2026
• 12 Upper Belgrave Street London SW1X 8BAListed building / conservationhgh ConsultingApproved2026
• 43 Eaton Place London SW1X 8BXListed building / conservationBoundary Space Ltd.Approved2026
• Third And Fourth Floor Grosvenor Suite 26 - 27 Belgrave Square London SW1X 8QBmcguinness architectsApproved2026
• Basement And Ground Floor 13 Motcomb Street London SW1X 8LBListed building / conservationMurray Birrell LtdApproved2026
• 50 Wilton Crescent London SW1X 8RXConservatory / orangeryACH ArchitectsIn progress2025
• 50 Wilton Crescent London SW1X 8RXConservatory / orangeryACH ArchitectsIn progress2025
• 1 - 2 Upper Belgrave Street London SW1X 8BDBasementDP9In progress2025
• 1 - 2 Upper Belgrave Street London SW1X 8BDListed building / conservationDP9In progress2025
• 151 Knightsbridge London SW1X 7PAField and LawnIn progress2025
• 13 Upper Belgrave Street London SW1X 8BALeconfield Property Group LtdIn progress2025
• 15 Halkin Mews London SW1X 8JZPeek Architecture LtdIn progress2025
• 13 Upper Belgrave Street London SW1X 8BALeconfield Property Group LtdIn progress2025
• 52 Eaton Place London SW1X 8ALngarchitectureIn progress2025
• 52 Eaton Place London SW1X 8ALngarchitectureIn progress2025
• Flat 5 6 West Halkin Street London SW1X 8JAStudio ActIn progress2025
• 45 William Mews London SW1X 9HQRobin Ashley Architects LLPIn progress2025
• 15 Halkin Mews London SW1X 8JZPeek Architecture LtdIn progress2025
• Flat 5 6 West Halkin Street London SW1X 8JAStudio ActIn progress2025
• 6 Wilton Place London SW1X 8RHRoof / fenestrationStuart James Associates LtdIn progress2025
• 6 Wilton Place London SW1X 8RHRoof / fenestrationStuart James Associates LtdIn progress2025
• 14 Wilton Street London SW1X 7AFExtensionAHA - Alexander Hobbs AssociatesIn progress2025
• 33 Grosvenor Crescent Mews London SW1X 7EXWarren Rosing ArchitectsIn progress2025
• Development SIte At 2 - 14 Brompton Road London SW1X 7QNOmnideIn progress2025
• 14 Wilton Street London SW1X 7AFExtensionAHA - Alexander Hobbs AssociatesIn progress2025
• Development SIte At 2 - 14 Brompton Road London SW1X 7QNShopfront / commercialOmnideIn progress2025
• The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TAReardon Smith ArchitectsIn progress2025
• The Lanesborough Hotel 1 Lanesborough Place London SW1X 7TAReardon Smith ArchitectsIn progress2025
• 17 Chapel Street London SW1X 7BYHyatt GroupIn progress2025
• 1 - 3 Belgrave Mews South London SW1X 8BTRear extensionFirstplanIn progress2025
• 33 Grosvenor Crescent Mews London SW1X 7EXWarren Rosing ArchitectsIn progress2025
• 13 Motcomb Street London SW1X 8LBBasementMurray Birrell LtdIn progress2025

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.