Renovating a home in London is a big decision and choosing the right company can be the difference between a beautifully finished space and a never-ending headache. To help you cut through the noise, here’s a carefully curated list of the best renovation companies in London, based on workmanship, reliability, customer feedback, and the overall quality of their service.
Below are five standout names, starting with the one we rate highest.
1. Beams Renovation – London’s Leading Kitchen Renovation Specialists
Best for: High-quality, design-led kitchen renovations with a smooth, end-to-end service.
Beams Renovation are widely recognised as one of London’s most reliable specialists for kitchen renovations. Their approach combines detailed planning, thoughtful design, and a level of project coordination that removes the usual stress homeowners face when upgrading their kitchens. Every project begins with a clear brief and accurate 3D scans, followed by a tailored design that balances practicality with style.
Beams handle the entire process – design, procurement, and build – using vetted builders and a structured system that keeps timelines predictable and budgets transparent. For homeowners who want a beautifully finished kitchen without juggling multiple contractors, Beams deliver a genuinely seamless experience.
2. Refresh Renovations
Best for: Homeowners wanting a franchise-backed system and structured project management.
Refresh Renovations operate across London and bring a systemised process to everything from kitchen remodels to full-scale refurbishments. They’re known for detailed project planning, fixed timelines, and using vetted trades. Because they sit between the client and the builders, they offer a level of coordination that suits busy professionals who don’t want to manage contractors themselves
3. London Basement
Best for: Premium-quality basement conversions and structural work.
When it comes to basements, these are the specialists. London Basement focuses almost entirely on excavations, structural waterproofing, and high-end subterranean living spaces. They’re pricier than general builders, but they deliver exceptional structural integrity and design-forward results. Ideal if you’re looking to unlock more living space without moving.
4. Build Team
Best for: Affordable side return and rear extensions.
Build Team have carved a niche in London for offering design and build services specifically for extensions. They offer transparent pricing, a range of design packages, and predictable build processes. Their speciality is taking small or awkward spaces and turning them into bright, practical kitchen and living areas – perfect for Victorian and Edwardian London homes.
5. Granit Architecture + Interiors
Best for: Architectural, planning, and design-led renovations.
Granit is an established London architecture practice known for stylish, contemporary design with strong project guidance. They’re particularly good for homeowners who want help with planning applications, structural changes, and interior design concepts on top of the renovation itself. Their work leans more towards the high-end market, but the results are consistently impressive.