Extensions developers in the UK

3350 UK developers offering extensions work.

• B Bespoke Construction Group Ltd King'S Lynn · Main contractor

  Bespoke Construction Group is a high-end construction company in Norfolk, specialising in home extensions, renovations, and new builds across East Ang

• B Bespoke Design Glazing Ltd Bolton · Windows & doors

  Windows & doors in the Bolton, Greater Manchester, Leeds, Clitheroe, Lancashire, Cheshire & Yorkshire area. Request a quote today.

• B Bespoke Double Glazing Ltd Norwich · Windows & doors

  Local Norwich independent supplier and installer of quality aluminium, timber alternative, timber and UPVC windows, doors, lantern roofs, bi-folds. Tr

• B Bespoke Glasshouses & Conservatories UK Thornton Cleveleys · Extensions

  Family-run Lancashire company designing and building bespoke extensions across England & Wales. Free consultation.

• B Bespoke Home Rickmansworth · Refurbishment · 1-9 employees

  Bespoke Home creates beautifully crafted living spaces across London, combining construction expertise, bespoke joinery and interior transformation.

• B Bespoke Home Builds Ltd Maidstone · House builder · 1-9 employees

  Bespoke Home Builds Ltd is an FMB approved construction company in Maidstone, Kent, specialising in new homes, extensions, refurbishments, and landsca

• B Bespoke Home Projects Ltd Macclesfield · Design & build

  Bespoke Home Projects Ltd specialises in the design and build of conservatories, extensions, kitchen extensions, conversions, and refurbishments, alon

• B Bespoke Living Construction Ltd Chichester · House builder

  Bespoke Living Construction is a husband-and-wife team creating beautiful, functional spaces with a personal touch. Specialising in sustainable homes,

• B Bespoke Lofts Ltd Buckhurst Hill · Loft conversions

  Bespoke Lofts is a leading loft conversion and extension company in London with over 30 years of experience in bespoke loft design and building projec

• B Best Construction Ltd Cheshire · Main contractor · 10-49 employees

  A family business founded in 1988, Best Construction Ltd is based in Mold, North Wales, carrying out work across North Wales and North West England.

• 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 Best Homes Builder Ltd West Bromwich · Refurbishment · 1-9 employees

  Transform your home with Best Homes Builder Ltd, your local experts in home improvements and building services. Quality craftsmanship and an insurance

• B Bestway Builders And Associates Ltd Manchester · Refurbishment

  Bestway Builders and Associates Ltd offers comprehensive construction and building services in Manchester, specializing in bespoke construction, renov

• B Better Outdoors Ltd Watford · Extensions

  Verandas & Pergolas in London, Slough, Wembley, Bournemouth & the UK. Choose from slimline patio verandas & aluminium pergolas from Better Outdoors.

• B Beulah Construction Ltd Kenilworth · Design & build · 1-9 employees

  Beulah Construction Ltd is a family-run business in Leamington Spa, Warwickshire, with over 50 years of experience in the construction industry. Estab

• 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 Bfg Contractors Ltd South Croydon · Extensions · 1-9 employees

  BFG Contractors Ltd is a Croydon-based construction company specializing in new build homes, extensions, groundworks, RC frames, basements, structural

• 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 Bg Construction S.E. Ltd Farnham · Design & build · 1-9 employees

  BG Construction offers quality building services including new builds, refurbishments, extensions, loft conversions, annexes, and landscaping. They pr

• 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 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 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 Bigness Group London · Refurbishment

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

• 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 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 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 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 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 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 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 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 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 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 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

• B Blaydon Developments Hampshire · Extensions · 10-49 employees

  Blaydon Developments is a family-run building company based in the New Forest, specialising in residential, mixed-use, and commercial schemes. With ov

• B Bless Construction Southall · Extensions

  Trusted builder in Southall with 38 five-star reviews. Extensions, renovations, roofing and landscaping across West London. Get your free quote today.

• B Bloom Extensions Bedford · Extensions

  UK's first fully prefabricated home extensions, delivering your bespoke, quality space in just 5 days, affordably.

• B Blossomdale Developments Ltd Carlisle · House builder · 1-9 employees

  Blossomdale Developments Ltd, based in Carlisle, builds unique high-quality homes and offers commercial construction services. Led by Kyle Gillies and

• B Blue Badger Building Limited Preston · Extensions

  We are passionate about property and work closely with clients to deliver quality projects with maximum interaction and minimum fuss. Based in Four Ma

• B Blue Dot Construction Ltd Bristol · Main contractor · 10-49 employees

  A building contractor and project manager, Blue Dot Construction brings you the complete building solution, from first concept to successful completio

• B Blue Fish Construction Ltd Winchester · Main contractor · 1-9 employees

  Blue Fish's aim is to provide first class building solutions, delivered with an exemplary quality of service. The team feel that communication with cl

• B Blue Property Developments Ltd Tadworth · Carpentry & joinery

  Blue Property Developments specialises in carpentry, joinery, extensions, new builds, roofing, bespoke furniture, kitchens, flooring, summer houses an

• B Blue Tongue Projects Ltd. Dorchester · Carpentry & joinery · 1-9 employees

  Blue Tongue Projects offers bespoke joinery, carpentry, and building services in South West Dorset, transforming spaces with exceptional craftsmanship