Extension Architecture is a London-based architectural and planning practice specializing in residential extensions, loft and basement conversions, new builds, and planning consultancy. As experienced architects in London, the team provides clear, professional guidance at every stage of a project, from early feasibility and design through planning permission and building regulations.

With hands-on experience working across London boroughs, Extension Architecture combines design expertise with a strong understanding of local planning policies and construction requirements. Clients work directly with qualified professionals, ensuring transparent communication, realistic advice, and well-considered architectural solutions tailored to each property and brief.