Extension Architecture

What makes Coombe different from other prestige areas near London? It's discretion, not visibility. Coombe Architect practices working here quickly learn that gated access, mature trees, and homes set deep within their plots matter more than a striking street presence. Extension Architecture has completed 80+ projects across Coombe, holding a 98% planning approval rate throughout. Coombe sits within the Royal Borough of Kingston upon Thames, covering KT2, KT3, and SW20. Private roads and established estates define much of the area, which changes how both design and planning applications get approached here. Unlike more visible luxury districts, Coombe's exclusivity shows up in restraint rather than display. A house that announces itself from the road often works against the character the borough actually values. What Type Of Properties Define Coombe's Architecture? Coombe's housing stock mixes Victorian, Edwardian, and 1930s properties. Large detached homes with class...

  Coombe doesn't advertise itself. There are no high street estate agents with glossy window displays. No branded signposts welcoming you to the neighbourhood. You could drive through without realising you'd passed some of the most valuable residential properties in south west London. That discretion is part of the appeal. And it extends to how homeowners here approach their building projects too. Work happens quietly in Coombe. Scaffolding goes up behind hedges, skips sit on private driveways, and by the time anyone notices, a property has been completely transformed. But behind that quiet exterior, these are complex projects. Large homes, mature sites, strict planning policies, and homeowners who expect exceptional results. The architect guiding the work needs to understand not just good design, but specifically how design works in this particular corner of the borough. At Extension Architecture, we've delivered projects across Coombe that succeed because we understand t...