Construction
Network UK

Extensions main contractors in the UK

8189 UK main contractors offering extensions work.

  • The Bleu Group London · Main contractor

    The Bleu Group is a premium construction and development firm crafting exceptional new builds, extensions, renovations and commercial works.
  • The Blue Door Development Company Ltd Thorpe Abbotts · Main contractor · 10-49 employees

    Blue Door Development Co Ltd is a family company established in 2005, offering a personal, bespoke service in construction, project management, and de
  • The Brunstane Group Ltd Musselburgh · Extensions

    The Brunstane Group are specialists in home extensions, sunrooms, and conservatories in Edinburgh, the Lothians, and Fife. Offering a complete service
  • The Builders Are In Ltd Essex, Southend On Sea · Loft conversions

    Professional builders in Essex offering loft conversions, house extensions, renovations, garage conversions, kitchen and bathroom installations. We ma
  • The Builders Club Ltd Seaford · Refurbishment · 10-49 employees

    The Builders' Club is your trusted building partner in Seaford, offering expert craftsmanship for home improvements, from minor repairs to stunning ex
  • The Builders Nt Ltd Guildford · Extensions · 1-9 employees

    THE BUILDERS NT LTD offers quality construction services across Surrey, specializing in renovations, extensions, and new builds for residential and co
  • The Building Co. Ltd South Croydon · Refurbishment · 1-9 employees

    Quality home refurbishment services in Croydon, Bromley, and Sutton. Specialising in all aspects of building work, extensions, conversions, kitchens,

  • The Building Point Ltd Borehamwood · Loft conversions

    The Building Point is a UK construction company offering new builds, renovations, loft conversions, and extensions. Contact us to discuss your project
  • The Building Wizards Ltd Luton · Refurbishment · 1-9 employees

    The Building Wizards Ltd offers comprehensive renovation, fit-out, and extension services for residential and commercial clients. Known for quality, a
  • The Cambridge Conservatory Centre Cambridge · Design & build · 1-9 employees

    The Cambridge Conservatory Centre designs and builds high-quality conservatories, orangeries, and garden rooms across East Anglia, offering bespoke so
  • The CK Group Bromley · Main contractor

    The CK Group delivers construction, roofing and property maintenance services for public sector, commercial and residential clients across London.
  • The Complete Construction Company (Nw) Ltd Nelson · Groundworks · 10-49 employees

    The Complete Construction Company (NW) Ltd offers high-quality construction services, transforming visions into reality with meticulous execution and

  • THE CONSERVATORY INSULATION COMPANY Pudsey · Insulation · 10-49 employees

    Transforming conservatories and extending homes with solutions for year-round comfort, lower energy bills, and a fresh lease of life for your space.
  • the Cookie Construction co Bath · Extensions

    Cookie Construction Company LTD offers a complete building service in Bath, Somerset, and Wiltshire. Family-run, they provide new builds, extensions,

  • The Dartmouth Building Company Ltd Dartmouth · Refurbishment · 1-9 employees

    Dartmouth Building Co is a building company based in South Hams, Devon. Offering functional and beautiful renovations, extensions and conversions.
  • The Drew Newey Collective Warwick · House builder

    The Drew Newey Collective is a specialist construction company based in Warwickshire, delivering high-quality new builds, residential developments, an
  • The Extension Company (Tec Build) Ltd Wetherby · Extensions · 1-9 employees

    Harrogate based The Extension Company (TEC Build) Ltd specialise in house building and construction services in North Yorkshire. We provide property r
  • The Finns Group London · Design & build · 1-9 employees

    The Finns Group is a design and build company in Hertfordshire, specialising in high-end residential projects. They offer a full range of services fro
  • The Flex Group Hull · Electrical · 10-49 employees

    The Flex Group is a property maintenance company based in Hull, East Yorkshire, focused on customer service and technical excellence across constructi
  • The Flush Royale London · Refurbishment

    Prime residential renovation, bathrooms, mechanical systems, roofing and building upgrades across London. Structured project delivery with a 5-year wo
  • The Garden Room Construction Ltd Daventry · Refurbishment · 1-9 employees

    The Garden Room Construction offers meticulously crafted home improvement renovations, specializing in modern and historic architecture across Northam
  • The Good Joinery Co. Ltd Dundee · Carpentry & joinery · 10-49 employees

    The Good Joinery Co offers bespoke joinery, extensions, and contract work across Scotland. Specializing in custom furniture, kitchens, and commercial

  • The Hindle Partnership Ltd London · Loft conversions · 1-9 employees

    A local construction company serving West, South West and North West London providing quality loft conversions, extensions and whole house refurbishme
  • The Home Extension Experts Ltd London · Extensions · 1-9 employees

    The Home Extension Experts are a boutique high-end construction company specialising in home extensions, refurbishments, and bespoke joinery for disce
  • The Lakeland Building Group Ltd Kendal · Design & build

    At Lakeland Building Group we excel in full house refurbishments, design and build extensions and bespoke joinery products from our base in Kendal, Cu
  • The Little Conservatory Company Cheltenham · Extensions

    The Little Conservatory Company Ltd offers bespoke conservatories, orangeries, extensions, and garden rooms. Serving Cheltenham, Cirencester, Stroud,

  • The Locksley Group Ltd Abingdon · Design & build · 10-49 employees

    The Locksley Group creates aspirational spaces for homeowners and businesses, delivering exceptional quality in extensions, renovations, new builds, a
  • The Loft Conversion Company London · Loft conversions

    Specialising in high quality loft conversions and extensions, adding additional living space to your property. Local team serving North London, Hertfo
  • The Loft Converter Hoddesdon · Loft conversions

    The Loft Converter is a specialist London loft conversion company with 50 years of building experience in London, Essex and Hertfordshire. Specialisin
  • The London Kitchen Extensions Company Ltd London · Extensions · 1-9 employees

    Specialist construction company in South West London, with in-depth knowledge of local Victorian and Edwardian housing stock. Experts in side returns

  • The Martin Sewell Building Company Ltd Arundel · Main contractor · 10-49 employees

    The Martin Sewell Building Company is an award-winning Chartered Building Company with over 40 years of experience, delivering bespoke building servic
  • The Maxify London · Main contractor

    The Maxify offers top-notch construction, maintenance, and property services across London. We pride ourselves on quality craftsmanship, attention to

  • The Meredith Group Brighton · Refurbishment · 1-9 employees

    The Meredith Group delivers luxury refurbishments, extensions, conversions, new builds and property maintenance across East and West Sussex.
  • The Modern Home Refurbishment Ltd London · Refurbishment · 1-9 employees

    TMHR Ltd offers expert design & build refurbishment services for high-end London properties, specialising in renovations, remodelling, and extensions.
  • the mortimer group Dunstable · Design & build · 1-9 employees

    The Mortimer Group specializes in custom homes, extensions, and commercial builds. We offer design and build, interior design, and land acquisition se
  • The Norfolk Builders Ltd Norwich · Design & build · 1-9 employees

    We design and build thoughtful, liveable spaces. Your perfect new kitchen, bathroom, living room, house, whatever that is and whatever it takes…
  • The Nova Interiors Ltd London · Design & build

    Nova Interiors specialises in bespoke interior design and construction services, creating luxury spaces from concept to completion. They offer compreh
  • The Oak Blokes Ltd Polegate · Restoration & heritage · 1-9 employees

    Sussex carpentry and timber framing. Conservation-led restoration of Grade II listed buildings, renovation of period homes, and bespoke oak frames. Su
  • The Old ROCKS Construction Co Swanage · Extensions · 1-9 employees

    The Old ROCKS Construction Co Ltd is a local construction and maintenance company in Purbeck, offering a wide range of services with a commitment to q
  • The Orangery Room Ltd Grantham · Design & build

    Bespoke Garden Rooms, Home Offices, Gyms and Summer Houses. Transform your garden into a functional, stylish space with our custom-designed and instal
  • The Reliable Builders Manchester · Extensions · 1-9 employees

    Reliable Builders Ltd: trusted builders in Manchester offering extensions, brickwork, roofing & paving across Greater Manchester. Free quote.
  • The Rennovation Home Company London · Refurbishment

    Refreshed LTD provides exceptional construction services for projects in London, with a leadership team experienced in the super-prime property sector
  • The Self Build Builder Kettering · Main contractor · 1-9 employees

    The Self Build Builder offers bespoke building services including Self Build, project management and all types of home improvements and renovations.
  • THE SMART LOFT COMPANY LIMITED Epsom · Loft conversions

    The Smart Loft Company specialises in high-quality loft conversions and extensions in Surrey and surrounding areas, offering a full craftsmanship guar
  • The Traditional Carpenters Ltd Bradford-On-Avon · Timber frame

    Specialists in hand-crafted, bespoke timber oak frames, working in traditional and contemporary styles. Design, build, and erect timber frames for hou
  • The Ugly Duckling Building Company Ltd Bath · Refurbishment

    Expert building, renovation & refurbishment services in Bath & Somerset. Specialising in period and modern properties, including kitchen and bathroom

  • The Welkin Group Ltd Abingdon · Groundworks

    The Welkin Group are specialist construction and groundwork contractors. We pride ourselves on building honest and transparent working relationships w
  • The Whitelock Group Poole · House builder · 10-49 employees

    The Whitelock Group is a family-run business in its fourth generation, known for quality residential developments, from repairs to large extensions. T
  • The Wood House Company Eccles · Timber frame · 1-9 employees

    The Wood House Company specialises in precision-engineered timber-framed buildings, including garden rooms, annexes, garages, and extensions. They off
  • The Works London Ltd London · Refurbishment

    The Works London Limited is a London-based construction company providing refurbishment, maintenance and compliance-focused works across residential a
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