Extensions main contractors in the UK

8189 UK main contractors offering extensions work.

• B Bhinder Brother Constructions Ltd Uxbridge · Refurbishment · 1-9 employees

  Bhinder Brother Constructions is a trusted construction company specialising in home extensions, loft conversions, renovations, and complete property

• B Bhm Extensions Ltd Enfield · Loft conversions

  BHM Extensions Ltd offers expert craftsmanship for loft conversions, extensions, and refurbishments in London. We provide full-service solutions from

• B Bhs Property Services Ltd Whitehaven · Refurbishment · 1-9 employees

  BHS Property Services Ltd is a construction company in West Cumbria specialising in home improvements, insurance restoration, repairs, and general bui

• B Bhullar Building Construction Ltd Walsall · Extensions · 1-9 employees

  BHULLAR BUILDING CONSTRUCTION LTD offers quality building extensions, flooring, kitchens, bathrooms, new house builds, electrical, plumbing and heatin

• B BICK Construction Limited Solihull · Main contractor · 1-9 employees

  BICK Construction Limited is a construction company based in Solihull, offering a range of building and refurbishment services. They focus on deliveri

• B Biddle Construction Services Ltd Tanworth In Arden · Main contractor · 1-9 employees

  Biddle Construction Services are a professional small building contractor carrying out commercial and residential work including extensions in the Wes

• B Big Bean Construction Ltd Eastbourne · Design & build · 1-9 employees

  Award-winning London builders specialising in residential renovation, rebuild and refurbishment projects to the highest standard.

• 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 BIG Building & Mechanical Dartford · M&E contracting

  Specialists in all your building requirements in Bexeleyheath and South East London. Offering comprehensive building services including mechanical wor

• B Bigger Living Lofts Leybourne · Loft conversions · 1-9 employees

  Expert loft conversions and extensions in Kent and Southeast London. Bigger Living Lofts offers design, planning, and build services with free quotes.

• B Biggin Renovations Group Ltd Westerham · Refurbishment · 1-9 employees

  Biggin Renovations Group Ltd is recognized as a top renovation and home improvements firm throughout South London, Surrey and Kent.

• 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 Billy Brothers Ltd Erith · Bricklaying

  Billy Brothers Ltd is a family-run construction business in East London, offering brickwork, repointing, extensions, driveways, and painting services

• B Billy Mcguire Joinery & Building Ltd Ayr · Main contractor · 1-9 employees

  Billy McGuire Joinery & Building Ltd offers high-quality joinery and building services in Ayrshire & Glasgow. A family-run business with extensive exp

• B Bilt Renovation Ltd Croydon · Main contractor

  Bilt is a bespoke residential construction company offering unparalleled services from consultancy through to final finishes. We specialise in full re

• B Bimar Properties Watford · Extensions

  Bimar Properties Ltd build extensions, loft conversions and full-house renovations across Watford and Hertfordshire. Clean, on-time work, 4.9 stars ac

• 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 BIRC Barking · Civil engineering

  BIR Contractors Ltd (BIRC) is a specialised civil and structural engineering contractor delivering projects from concept design to construction. We of

• B Birch Construction Ea Ltd Wymondham · Main contractor · 1-9 employees

  Birch Construction is a Norfolk-based construction company known for crafting luxury and building excellence. They specialize in timber frame extensio

• B Birch Construction Surrey Ltd South Croydon · Extensions · 1-9 employees

  Family run builders in Surrey, specialists in extensions, new builds, refurbishments, loft conversions, and design & build projects. Trusted local exp

• B Birchwood Contracts Ltd Colchester · Carpentry & joinery · 1-9 employees

  Birchwood Contracts Ltd is a carpentry and construction company based in Colchester, Essex, serving East Anglia. They offer services for new builds, e

• B Birstall Construction Ltd Leicester · Extensions · 1-9 employees

  Leicester & Midlands construction company delivering extensions, loft conversions and general building. Free no-obligation quote.

• B Bischell Design & Build Company West Kensington · Design & build · 1-9 employees

  Bischell offers stunning residential and commercial building, construction, and architecture services in London, with a Flawless Delivery™ promise for

• B Bisha Contractors Ltd Palmers Green · Main contractor · 1-9 employees

  Bisha Contractors Ltd offers a comprehensive range of building services including new builds, loft conversions, extensions, and refurbishments. With o

• B Bishop Lowes Developments Ltd House builder · 1-9 employees

  Bishop Lowes Developments based in Essex prides itself on creating luxury homes in the South East. Specialising in thoughtfully designed developments

• 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 Bitterne Building Contractors Ltd Fareham · Extensions · 1-9 employees

  Bitterne Building Contractors Ltd are trusted building contractors in Southampton, offering professional and reliable services for house extensions, r

• B Bj Construct Ltd Dagenham · Extensions

  BJ Construct Ltd delivers building, renovation, handyman and extension services across London and East London. Get a free quote today.

• B BJD Brickwork Ltd Barrow-In-Furness · Bricklaying · 1-9 employees

  B J D Brickwork Ltd is a well-established team of builders in Barrow-In-Furness, specialising in brickwork services for new builds, extensions, and re

• B Bjm Construction 25 Ltd Plymouth · Main contractor

  BJM Construction 25 Ltd - Professional building development and completion services in Plymouth, Devon. Quality craftsmanship, reliable service, and e

• B Bjp Projects Ltd Southsea · Design & build · 1-9 employees

  Hampshire based architects, BJP Projects are a dynamic multidisciplinary architectural design practice. We cover a range of work from new builds, exte

• B BK LALA CONSTRUCTION LTD Luton · Main contractor · 1-9 employees

  BK Lala Construction Ltd specializes in high-quality construction services in Luton delivering reliability, precision, and customer satisfaction.

• 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 Black Dog Renovations Ltd Chichester · Extensions

  Delivering beautiful home extensions & renovations and bespoke garden cabins in the Surrey, West Sussex and Hampshire areas.

• B Black Fox Construction Ltd Southampton · Refurbishment · 1-9 employees

  Black Fox Construction Ltd offers professional building services in Southampton, delivering excellence in construction for domestic and commercial cli

• B Black Leaf Build Ltd Leigh-On-Sea · Design & build

  BlackLeaf Build is the leading construction company in Essex, providing services from loft conversions to full-scale home builds and renovations.

• B BlackBridge Construction Gloucester · Extensions

  BlackBridge Construction specialises in high-quality home extensions, loft conversions, renovations, and commercial projects across the South West and

• B Blackdown Construction Ltd Taunton · Main contractor

  Blackdown Construction is a reputable building company specialising in luxury residential builds and commercial property development in the Southwest

• B Blackhall Developments Edinburgh · Design & build · 1-9 employees

  H. Blackhall Developments (Scotland) Limited provides turnkey construction services, specialising in listed building refurbishments and new builds thr

• B Blackhill Construction (Norfolk) Ltd Norwich · Extensions · 1-9 employees

  Blackhill Construction are Commercial & Domestic Building Contractors offering a full build, carpentry, steel works, landscaping and kitchen service i

• B Blacknoll Ltd East Knighton Dorchester · Main contractor · 10-49 employees

  Commercial building contractors based in the South West, completing a variety of projects across the South West for clients in leisure, tourism and ho

• B Blackthorn Design & Build Tadley · Design & build · 1-9 employees

  Blackthorn Design & Build offers expert home transformation services, specialising in extensions, conversions, refurbishments, kitchens, and bathrooms

• B Blackthorne Building & Design Ltd Sheffield · Main contractor

  Blackthorne Building & Design Ltd offers a comprehensive range of building and design services, focusing on quality workmanship, effective project man

• B Blackwall Builders Limited Hamilton · Bricklaying · 1-9 employees

  Blackwall Builders Hamilton Limited is a family-run bricklaying service and building company based in Hamilton, Lanarkshire. They offer a wide range o

• B Blake Build Orpington · Extensions

  Blake Build offers house extensions, full renovations, new builds & conversions in Kent and the South East. Fully managed, turnkey building service.

• B Blake Homes Ltd Hoddesdon · Extensions

  Professional builders in Hertfordshire and Essex offering extensions, conversions, driveways, patios, and general building services. Contact Blake Hom

• B Blakes Contractors Ltd Wickford · Loft conversions

  Blake's Contractors designs and builds loft conversions, extensions and structural alterations across Billericay, Ramsden Heath and Wickford - free su

• B Blakes Design Ltd Bexhill On Sea · Main contractor · 1-9 employees

  Offering truly extraordinary joinery and construction, at Blakes Design we challenge traditional approaches by connecting with clients to create beaut

• B Blakes Developments And Estates Ltd Long Eaton · Property developer · 1-9 employees

  High-quality new builds, renovations and HMO conversions across Nottinghamshire, Derbyshire and Leicestershire. Turnkey, transparent and built to last