Extension builders in London

1319 extension builders based in and around London.

• B Ballinska London · Refurbishment

  UK Home Repair offers competitive low costs for Emergency Insurance Works, Conversion & Renovation. The fastest growing Home Improvement & Insurance W

• B Banah Design London · Refurbishment

  Banah Design offers comprehensive interior design and renovation services for both residential and commercial properties, specializing in transforming

• B Baraa Construction Ltd London · Design & build

  Baraa Construction Ltd undertakes commercial and residential projects with expertise in project management. Delivering exceptional quality since 2006.

• B Baratix Construction Ltd London · Property developer

  Baratix Real Estate & Construction is a trusted partner serving London, specializing in property acquisition, high-quality construction solutions, new

• B Baron Builders Ltd London · Refurbishment

  Baron Builders offers professional building services in London & Kent, specializing in renovations, extensions, structural works, and property improve

• B Base Construction Group Ltd London · Refurbishment

  Base Construction Group offers high-quality construction and maintenance services in London. Specializing in residential renovations and social housin

• B Baseline Ltd London · Refurbishment · 1-9 employees

  South London based renovation, installation and maintenance company specialising in high-end residential projects. Offering quality workmanship for ki

• B Basenet Ltd London · Refurbishment

  Basenet Ltd are building and renovation experts in London, offering services from garden decking to full office remodelling with over 35 years of expe

• B Bashtan Construction London · Design & build · 1-9 employees

  Bashtan Construction is a family-run business with over 17 years of experience in building and renovating homes in SW London and Surrey. They offer a

• B Bath|Kitchen Renovation Ltd London · Refurbishment

  Quality renovations in London tailored to your needs. Bath|Kitchen offers expert services for kitchens, bathrooms, and full home upgrades.

• B Battistel Shop Fitting And Building Contractors Ltd London · Shopfitting · 10-49 employees

  Battistel Shopfitting & Building Contractors are a London based company with over 30 years experience in the building & shopfitting industry.

• B Baucroft Ltd London · Design & build

  Baucroft is a North London practice unifying architecture and skilled construction, delivering spaces with precision, craft, and lasting character.

• B Baumeister Constructions Service Ltd London · Refurbishment · 1-9 employees

  Baumeister Constructions Service LTD offers a wide range of indoor and outdoor building solutions in London, specializing in interior design, reconstr

• B Bayo Corp Est 1980 Ltd London · Refurbishment

  London refurbishment contractors for home renovations, flat refurbishments, commercial fit-outs and Higher-Risk Building (HRB) small works support acr

• B Bazaarway Group UK London · Shopfitting

  Bazaarway Group UK provides comprehensive business solutions including shopfitting, construction, renovations, digital marketing, and product sales. W

• B BBS Builders London · Property developer

  London-based property development and lettings company. New builds, extensions, refurbishments and managed rental homes across London and the South Ea

• B BBS Construction London · Design & build

  BBS Construction is a London-based building company offering expertise in transforming blueprints into functional spaces. They specialize in house ext

• B BCCD Group London · Design & build

  BCCD Group is a London-based building partner specializing in property building, maintenance, and development. They offer integrated management, techn

• B BDL Blackheath London · Refurbishment · 1-9 employees

  BDL Blackheath delivers bespoke renovations, extensions and landscaping with quality craftsmanship, transparency and care. Transform your home.

• B Beams Renovation London · Refurbishment · 10-49 employees

  Expert home renovation in London. Kitchens, bathrooms, loft conversions, extensions and full homes. Vetted builders. Fixed prices. Free estimate.

• B Bearded Contractors Ltd London · Extensions

  London based construction company with an excellent reputation for workmanship standards. We develop strong partnerships with clients through honesty

• B Bel London Construction Ltd London · Refurbishment · 1-9 employees

  Premium construction services in London. Specialising in luxury builds, renovations, and bespoke construction solutions.

• B BELOW MARKET VALUE LIMITED London · Property developer

  Below-market-value.com specialises in sourcing off-market properties directly from vendors, offering access to exclusive deals with significant discou

• B Benchmark Cleaning Services Ltd London · Refurbishment · 10-49 employees

  Benchmark Cleaning Services offers professional commercial cleaning solutions across London, specializing in office, retail, healthcare, and education

• B Benchmark Lofts Ltd London · Loft conversions · 1-9 employees

  Benchmark Lofts offers exceptional loft conversions & home extension services, blending craftsmanship with innovation to transform living spaces tailo

• B Beni The Builder Ltd London · Loft conversions · 1-9 employees

  Beni The Builder Limited is a family-run general building company offering quality services for loft conversions, extensions, and refurbishments.

• B Berati Construction Ltd London · Main contractor · 1-9 employees

  Berati Construction Ltd delivers high-quality residential and commercial projects in London, including new builds, extensions, loft conversions, refur

• B Berco Ltd London · Refurbishment · 1-9 employees

  Berco LTD, established March 2019, is a London-based construction and consultancy company specializing in residential and commercial renovations from

• B Bermuda Construction Ltd London · Extensions · 1-9 employees

  Bermuda Construction is a Surrey-based company specialising in luxury residential builds, bespoke renovations, and high-end property transformations.

• B Bertstructure Ltd London · Main contractor

  Professional construction services for domestic and commercial projects. Based in London, serving the UK with quality construction solutions.

• B Bespoke Builder London London · Design & build

  Hanover Design & Build Ltd, trading as Bespoke Builder London, creates exceptional homes with meticulous craftsmanship and elegant design. Contact our

• B Best Home Builders Ltd London · Extensions · 1-9 employees

  Best Home Builders Ltd provides high-quality residential construction services across London and surrounding areas. We specialise in home extensions,

• B Beyond Build Ltd London · Design & build · 1-9 employees

  Beyond Build London is a design and build company specialising in residential renovations, loft conversions, and extensions in South West London. They

• B BG Construct London · Main contractor

  B & G Construct Ltd offers bespoke new builds, loft conversions, and home extensions. With over 15 years of experience and 50+ projects completed, the

• B Big Ben Roofing Ltd London · Roofing

  Big Ben Roofing Ltd. is a family-run roofing specialist serving London and the Home Counties. With over 15 years of experience, they offer comprehensi

• B Bigness Group London · Refurbishment

  Bigness helps homeowners, landlords and businesses build, maintain and upgrade properties through expert construction, planned maintenance and long-te

• B Bildex Ltd London · Refurbishment

  BILDEX LTD is a dynamic construction company offering a comprehensive range of services across the UK. We specialise in refurbishment, fit-out, and ne

• B BIR Homes London · House builder

  BIR Homes is a forward-thinking homebuilder established in 2025, combining advanced and traditional build methods with local materials to create quali

• B Bitri Ltd London · Main contractor · 1-9 employees

  Bitri Ltd is a leading construction company in Hendon, offering architectural solutions for dreams. With expert teams, we ensure quality craftsmanship

• B Black & White Brickwork Ltd London · Bricklaying · 1-9 employees

  Black & White Brickwork Ltd are professional builders in Greater London, offering brickwork excellence for new builds, extensions, conversions, bounda

• B Blue Bull Construction Ltd London · Design & build

  Blue Bull Construction offers a design and build service for home extensions and improvements, aiming to add living space and increase property value.

• B Blue Crane Construction Ltd London · Extensions · 1-9 employees

  Blue Crane Construction Ltd is a leading construction company specializing in extensions and loft conversions. Contact us for your construction needs.

• B Bluestone State London · Extensions

  Extensions, loft conversions, and full refurbishments across London. Transparent pricing and 24+ years experience. CHAS accredited.

• B Bm Paramount Consultancy Ltd London · Design & build

  BM Paramount Consultancy Ltd delivers residential construction, property management, architectural services, and specialist staffing.

• B Boarway Builders Ltd London · Main contractor · 1-9 employees

  Boarway Builders is a London-based construction business specializing in domestic builds, offering high-quality services for renovations and new home

• B Bolans Architects London · Design & build · 1-9 employees

  Bolans Architects is a family-run, design-led team of Architects, Designers and Surveyors with over 35 years of combined experience creating bespoke s

• B Bonnd Ltd London · Refurbishment

  Discover expert property renovation services with Bonnd Ltd across London. Specializing in house extensions, loft conversions, and full home refurbish

• B Borz Construction Ltd London · Design & build · 1-9 employees

  BORZ CONSTRUCTION LTD specialises in Architectural Design and Construction services across London, collaborating with top Interior Design practices. W

• B Bourne Management & Building Ltd London · Main contractor · 1-9 employees

  Bourne Management & Building is a main contractor based in Islington, London N1, delivering house renovations, loft conversions, extensions and commer

• B Bps Construction Design&Build Ltd London · Refurbishment · 1-9 employees

  Building contractors in London specialising in house renovations, extensions, roof installations and loft conversions. Get Your Free Quote!