Extensions main contractors in the UK

8189 UK main contractors offering extensions work.

• O Optimal Build Ltd London · Refurbishment · 1-9 employees

  Optimal Build Ltd is a London-based construction company specialising in residential and commercial projects, including refurbishments, extensions, an

• O Optimal Builders Ltd Grays · Loft conversions · 1-9 employees

  Optimal Builders offers a range of construction services including loft conversions, house extensions, refurbishments, and garden renovations. They fo

• O Optimal Developments Ltd London · Main contractor · 1-9 employees

  Builders in King's Lynn with 36 years on the tools. New builds, extensions and renovations across West Norfolk, all backed by our 12-month snagging gu

• O Optimo Build Co Ltd Peterborough · Extensions · 1-9 employees

  Optimo Build Co Ltd is a trusted building contractor specialising in home extensions, conversions, new builds, brickwork and stone masonry in Northamp

• O Optimodo Ltd Hemel Hempstead · Refurbishment

  Optimodo Limited, established in 2009 and based in Hemel Hempstead, offers professional building services in Hertfordshire and surrounding areas. We p

• O Optimum Construction Ltd Yeovil · House builder · 1-9 employees

  Prestigious builder of Impressive Luxury New Houses and Extensions in & around Wokingham, Berkshire. Specialising in large, bespoke houses.

• O Optirooms Service & Construction Southampton · Main contractor

  OptiGroup Holdings Ltd is a UK holding company combining construction (Optirooms), cleaning (OptiClean) and IT & AI systems (OptiSoft).

• O Optivo Developments Ltd Liverpool · Main contractor

  Comprehensive construction & development service to both domestic and commercial clients throughout Liverpool & beyond.

• O Opulent Construction Ltd Hereford · Main contractor · 1-9 employees

  Experienced builders in Hereford specialising in luxury homes, Passivhaus new builds, extensions, and bespoke renovations. High-end construction with

• O Opuluxe Building And Damp Solutions Ltd London · Damp proofing

  A family run building and damp proofing company covering South London and Kent. Professional, dependable, and known for high-quality solutions.

• O Opus Carpentry Ltd Isle Of Lewis · Kitchen fitting

  Opus Carpentry offers kitchen supply and fitting, joinery, extensions, renovations, and construction services on the Isle of Lewis.

• O Orama Group Ltd. Cockfosters · Design & build

  Orama Group is the construction company of choice for high end residential and commercial design and development projects.

• O Orange Building Solutions Ltd Biggleswade · Refurbishment

  We provide expertise in all aspects of property improvements across Hertfordshire, Bedfordshire and Cambridgeshire.

• O Orange Construction (UK) Ltd Ashford · Main contractor · 1-9 employees

  Orange Construction UK Ltd. offers high-quality construction, refurbishment, and landscaping services for residential and commercial buildings, delive

• O Orange Construction Coventry Ltd Coventry · Refurbishment

  Orange Construction Coventry Ltd is a construction company specialising in home renovations, new builds, extensions, and a wide range of property impr

• O Orange Grove Construction Ltd Hengoed · Extensions · 1-9 employees

  Orange Grove Construction is a highly regarded construction firm in Hengoed with over 30 years of experience, known for craftsmanship, effective commu

• O ORANGE LLAMA Cardiff · Design & build · 1-9 employees

  Orange Llama offers design and construction innovation in South Wales, specializing in smart technology integration for dream builds and renovations.

• O Orbit Construction Services Ltd Widnes · Main contractor · 1-9 employees

  Orbit Construction Services Ltd specialises in commercial and domestic construction, offering home extensions, refurbishments, and commercial work lik

• O Orca Windows Ltd Shipley · Windows & doors

  For Energy Efficient Windows in West Yorkshire, look no further than Orca Windows. We supply and install eco-friendly windows, get a FREE quote today!

• O Orchard Builders Stamford · Main contractor · 10-49 employees

  Orchard Building Contractors is a Stamford-based building company with over 30 years of experience. We pride ourselves on offering a reliable, quality

• O Orchard Building Solutions Ltd Richmond · Main contractor

  Orchard Building Solutions provides planned and reactive maintenance, refurbishments, office fit-outs, extensions, and loft conversions for residentia

• O Orchis London Ltd Farnborough · Main contractor

  Orchis delivers super-prime residential construction across Mayfair, Belgravia, Knightsbridge, Chelsea, and the counties. Director-led building for de

• O ORDERLY LONDON LTD Wokingham · Refurbishment

  Orderly London specialises in design-led renovations, extensions and full refurbishments for period and characterful homes across South West London an

• O Ordon Ltd Dartford · Main contractor · 1-9 employees

  Ordon Ltd is a building contractor based in London, focused on providing high-quality service and customer satisfaction. They offer a range of service

• O Oriole Constructors Ltd. London · Refurbishment · 1-9 employees

  Oriole Constructors Ltd offers quality, time, and cost control in building and construction projects across Bracknell and West London.

• O Orsett Property Development Ltd Chelmsford, Essex · Property developer

  Orsett Property Development is a premier property development company creating exceptional spaces and shaping communities with a passion for innovatio

• O Orvis Builders Ltd Bury St. Edmunds · Main contractor

  Orvis Builders offers expert building services in Bury St Edmunds and Cambridge, covering Suffolk, Cambridgeshire, and Norfolk. Specialising in new bu

• O Osborn Construction Ltd Uckfield · Main contractor · 1-9 employees

  Osborn Construction offers comprehensive, top-quality construction services for residential and commercial projects. Our experienced team handles ever

• O Osborn Design & Build Ltd Colchester · Design & build · 1-9 employees

  Osborn Design & Build offers expert building and design services for new builds, extensions, conversions, and hard landscaping in Essex and beyond. Wi

• O Osborne Building & Renovations Ltd Sudbury · Extensions · 1-9 employees

  Osborne Building & Renovations Ltd specialists in home extensions, loft conversions & major renovation building work across Suffolk. Quality craftmans

• O Osborne Carpentry & Construction Ltd Billingshurst · Carpentry & joinery · 1-9 employees

  Osborne Carpentry & Construction Ltd is a family-run business with attention to detail and customer satisfaction at its core. We project manage your d

• O Osn Development Ltd Hayes · Main contractor

  OSN Development Limited is a construction company based in Hayes, England, offering a wide range of expert home improvement and building services. The

• O Ostconstruct1 Ltd London · Bricklaying

  Serious craftsmanship, fair prices, fast completion. Specialists in brickwork, masonry, extensions and exterior works for residential and commercial p

• O OT Construction Potters Bar · Main contractor · 1-9 employees

  OT Construction offers a comprehensive range of building and design services for commercial, domestic, and interior projects. With a focus on reliabil

• O Otisbum Ltd Sunderland · Main contractor

  Otisbum Engineering & Construction Company Ltd offers high-quality building, renovation, maintenance, and engineering solutions for residential, comme

• O Otley Roofing And Building Ltd Otley · Roofing · 1-9 employees

  A highly-regarded building and roofing company offering a variety of domestic and commercial roofing and building services throughout Otley and surrou

• O Otm Construction Ltd Bristol · Main contractor · 1-9 employees

  Experienced builders delivering safe, reliable and lasting results from your trusted partner in construction. OTM Construction offers a range of build

• O Otterburn Construction Ltd London · Refurbishment · 1-9 employees

  Otterburn Construction provide exceptional construction services, with a skilled and experienced team committed to delivering results that exceed expe

• O Otters Group Ltd London · Refurbishment · 1-9 employees

  Otters Group is a family-owned construction business established in 2018, providing expert residential and commercial services including renovations,

• O Our Space Ltd Waterlooville · Main contractor · 1-9 employees

  Our Space Ltd is a trusted main contractor for construction, groundworks & landscaping for homeowners and the public sector across Hampshire.

• O Out Build Group Ltd. Sidcup · Loft conversions · 1-9 employees

  Out Build Group specialises in helping homeowners in Kent, London and Essex transform their properties with loft conversions, extensions, and full hom

• O Outline Construction Ltd Sheffield · Main contractor

  Sheffield-based construction experts offering superior workmanship across new builds, extensions, loft conversions, remodels, refurbishments, and besp

• O Ovadia Construction Ltd London · House builder

  Ovadia Construction Ltd offers extensions, renovations and new builds with expert craftsmanship. Looking for a trusted construction company in the UK?

• O OVERHAUL PROPERTY DEVELOPMENTS LTD Worthing · Refurbishment

  Family-run building business established 2007, with over 30 years experience. Specialising in loft conversions, extensions, kitchens, bathrooms, and g

• O Overstones Ltd Congresbury · Design & build

  Overstones Ltd - Design & Build specialists based in Congresbury North Somerset. Extensions, roofing, fencing or kitchen/bathroom conversions. We do i

• O Overstones Plastering Ltd Bristol · Design & build

  Overstones Ltd is a family-run residential building company in North Somerset, established in 2005. We specialise in extensions, renovations, kitchens

• O Ovk Construction Ltd London · Main contractor · 1-9 employees

  OVK Construction offers Building and Maintenance services: Interior and Exterior renovation, Plumbing and Electrics, Extensions, Loft Conversions and

• O OWD Group Oswestry · Windows & doors

  OWD Group specialises in home improvements, refurbishments, renovations, and construction services in Oswestry and surrounding areas. Contact us for a

• O Owen Developments (Worcester) Ltd Malvern · Design & build

  Owen Developments is a family-run building construction company providing design and build services across Worcestershire and Herefordshire. With over

• O Owen Evans Construction Aberystwyth · Main contractor

  Owen Evans Construction offers high-quality building and extension services in Mid-Wales, blending traditional Welsh craftsmanship with modern techniq