Extension Architecture

Short answer: extension cost and loft conversion cost sit in similar ranges for smaller projects, but which one makes sense depends more on the property's layout and garden space than on price alone. Homeowners weighing up the two often assume one is straightforwardly cheaper, when in reality the right choice usually comes down to what the property can physically support. How Do Extension And Loft Conversion Costs Compare? Both typically fall between £45,000 and £90,000 for a standard project , though the final figure depends heavily on size, specification, and site access. A single storey rear extension usually costs £1,500 to £2,500 per square metre. A loft conversion generally costs £1,500 to £3,000 per square metre, with the higher end reflecting more complex roof alterations like dormers or mansards. Neither option is consistently cheaper. The right comparison depends on what each square metre actually delivers for the specific property. A loft conversion that adds a much n...

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...

Esher plots don't behave like most London plots. There's room to breathe here. Mature woodland, generous gardens, and a real sense of privacy between neighbours. That space changes the whole design conversation. Esher architects aren't usually solving for square footage. They're solving for how a large home sits comfortably within its own grounds. Extension Architecture has completed 43+ projects across KT10 and KT11, holding a 98% approval rate throughout. Why Residential Architects In Esher Work Differently On Large Plots A tight London terrace forces certain decisions. A generous Esher plot removes most of those constraints, and that freedom can actually make design harder, not easier. Without the discipline a small site imposes, proportion becomes the thing that matters most. A large façade needs restraint in its detailing to avoid feeling excessive. A generous footprint needs careful spatial planning to stay cohesive rather than sprawling. The strongest homes in ...

 Putney is one of those London neighborhoods where a single wrong material choice can stall a planning application for months. The mix of Victorian terraces, riverside conservation areas, and Article 4 Directions means an extension that sails through in a neighboring borough might get rejected here. Working with architects in Putney who already know which streets carry extra restrictions saves that frustration before it starts. Extension Architecture has completed 42+ projects across SW15, SW18, and SW19, with 17 years working specifically with Wandsworth Council. The practice currently has 60+ live applications running with the council, which keeps its picture of what actually gets approved genuinely current. Why Homeowners Choose Local Architects In Putney SW15 Putney's terraced Victorian and Edwardian homes sold for an average of £1.1 million over the past year, according to Rightmove and HM Land Registry data. A well designed extension or loft conversion tends to add real v...

A house that looks good in a brochure isn't always a house that works for daily life. Real design starts with how you cook, work, and live, not just how a floor plan photographs. That's the approach architects in Haringey need to take, given the borough's mix of Victorian terraces and conservation areas. Extension Architecture has completed over 40 projects across N4, N8, and N15. With a 98% planning approval rate, homeowners get designs that pass council review without months of rework. Why Real Life Needs Real Design: Architects In Haringey Real design means understanding how you cook, how you work from home, and where your kids actually do their homework. Here's what separates a design built around real life from one that isn't: It accounts for how light moves through the day, not just how a render looks. It plans storage before it plans aesthetics. It considers how the space will be used in five years, not just this year. It respects the street it sits on, esp...

Fulham is one of those parts of London where people arrive and never leave. The Victorian terraces of SW6 have real character. But most of them were built for a way of living that no longer exists. Small kitchens. No connection to the garden. Loft space sitting empty for years. Extension Architecture has completed 42 projects across Hammersmith and Fulham. We are RIBA chartered and ARB registered. Our planning approval rate is 98%. If you want fulham architects who have actually delivered results on SW6 terraces, that track record is worth knowing about. Residential Architects in Fulham SW6 We are RIBA chartered residential architects covering SW6, W6, and W12. We handle extensions, loft conversions, and planning applications across Fulham. Most Fulham homeowners come to us with one of three problems. The kitchen is too small. The loft is wasted. Or they need another bedroom but dont want to move. All three are solvable. The Victorian terraces across SW6 are well suited to rear ext...

  It gets refused, or sent back for redesign, and both outcomes cost weeks or months Chartered Surrey architects see this happen more in Cobham than almost anywhere else, because the borough's generous plots make it easy to design something bigger than Green Belt policy actually allows. What Counts as "Too Big" in Green Belt Policy Terms? National planning policy measures this against the original house, not against the plot. Roughly a 50% increase in the building's volume is the commonly applied threshold before an addition counts as disproportionate. Cross it, and the application faces a much steeper approval challenge, no matter how well designed the extension is. Why Does This Happen So Often in Cobham Specifically? Because there's usually nothing physically stopping an oversized design from being drawn up. Large plots and generous Neo-Classical or Ultra-Modern homes make ambitious extensions genuinely tempting, and there's often real space for them. The ...