Extension builders in Wales

227 extension builders across Wales.

• C Consilio Construction And Architecture Ltd Cardiff · Refurbishment

  Consilio Construction and Architecture Ltd is a trusted construction company in Cardiff, providing renovations, and bespoke property solutions.

• C Convert My Garage Cardiff · Refurbishment

  Convert My Garage offers fast, affordable, and custom garage conversions in South Wales, transforming your garage into a functional space like a home

• C Cooksey Renovation Ltd Barry · Refurbishment

  Cooksey Renovation provides renovations, extensions, conversions, & structural work across Barry, South Wales.

• C Cool Mint Projects Ltd Ammanford · Roofing

  With years of experience and a team of skilled professionals, we ensure every project is completed with precision and attention to detail.

• C Copefield Construction Ltd Carmarthen · Main contractor

  Copefield Construction Ltd is a Trustmark accredited construction company in Carmarthenshire, offering services from general repairs to full-scale con

• C Coreceltic Ltd Cardigan · Refurbishment

  Building, renovation and property maintenance across Ceredigion, Pembrokeshire and Carmarthenshire. Home of Maintain, the property care subscription f

• C Country Built Ltd Usk · House builder · 1-9 employees

  Country Built Limited are expert house builders offering bespoke construction services in and around South Wales. Contact us today to discuss your req

• C Crest Roofing And Building Ltd Caerphilly · Roofing

  Crest Roofing & Building Services offers high-quality, tailored solutions for domestic and commercial clients across South Wales. Specializing in roof

• C Crown Building Contractors Ltd Swansea · Main contractor

  Crown Building Contractors is a construction company based in Swansea, South Wales, offering a wide range of building services for residential and com

• C Cynon Group Ltd Bridgend · Carpentry & joinery · 1-9 employees

  Cynon Group Limited is an award-winning construction and bespoke joinery company based in South Wales, offering expert services for residential and co

• D D & K Home Improvements Ltd Wrexham · Windows & doors

  D & K Home Improvements Ltd is a family-run business in Wrexham offering a complete home improvement service. Services include windows, doors, conserv

• D Darkin Architects Cardiff · Design & build · 1-9 employees

  Award-winning architects in South Wales with expertise in residential, commercial, and industrial projects. We offer a quality service refined through

• D David North Construction Ltd Holyhead · House builder

  David North Construction Ltd offers quality building services across Anglesey, specialising in new builds, house extensions, loft conversions, garage

• D David Tomlins Construction Ltd Caerphilly · Main contractor · 1-9 employees

  David Tomlins Construction, founded in 2004, is a leading construction company in South Wales and Cardiff, offering services from extensions and renov

• D Davies & Thomas Wrexham · Windows & doors

  Davies & Thomas Ltd offers high-quality UPVC windows and doors, tiled conservatory roofs, and comprehensive home improvement services in Wrexham and a

• D Dd Carpentry & Roofing Ltd Newcastle Emlyn · Carpentry & joinery

  DD Carpentry & Roofing Ltd, based in Newcastle Emlyn, West Wales, specialises in roofing and timber frame structures. Offering expert advice and quali

• D Derwen Llyn Construction Ltd Pwllheli · House builder · 10-49 employees

  Derwen Llyn Construction are award winning contractors offering bespoke building solutions to suit any style and budget.

• D Dex-Renovations Ltd Swansea · House builder · 1-9 employees

  Dex-Renovations Ltd: house building, full home renovations, extensions and landscaping across Swansea and the Gower. Premium finish, one team from foo

• D Dial Carpentry Ltd Swansea · Carpentry & joinery · 1-9 employees

  Dial Carpentry and Plumbing offers carpentry, kitchen design & fitting, renovations, and extensions for homeowners and landlords in Swansea and the Go

• D Dmt Structural Engineering Ltd Newport · Extensions

  Experienced structural engineers providing tailored packages for renovations, refurbishments, and new builds. Specialising in structural openings, lof

• D Dorma Construction Bridgend Ltd Porthcawl · Design & build · 1-9 employees

  Dorma Construction Bridgend Ltd transforms properties in South Wales, offering architectural design, structural calculations, construction, and site c

• D Dowdall Building Contractors Ltd Colwyn Bay · Main contractor · 1-9 employees

  Dowdall Building Contractors Ltd: A local, trustworthy family run builders in North Wales. Extensions, renovations, kitchens & bathrooms, garage & att

• D Dulyn Construction Ltd Conwy · Groundworks

  Dulyn Construction Ltd offers quality groundwork, construction, and civils solutions across North Wales and Cheshire. Fully qualified and insured.

• D Dyfi Renovations Ltd Aberdyfi · Main contractor

  Award winning Building Contractors based in Tywyn and Aberdovey on the West Wales Coast. We offer a wide range of building services.

• D Dylan Evans Adeiladwr Cyf Llanrwst · Main contractor · 10-49 employees

  Professional builders in Llanrwst, established over 20 years ago. Specialising in extensions, new builds, renovations, and general building work. We c

• E Edan Construction Ltd Builth Wells · Main contractor · 1-9 employees

  Edan Construction Ltd are experienced specialist building and construction specialists in Builth Wells. We work across Powys, Brecknockshire & Herefor

• E Electro Main Services Ltd (EMS) Pontypridd · Electrical

  Electro Main Services Ltd (EMS) offers electrical contracting, plumbing, heating, EV charge points, fire & security, and building services across Sout

• E Elegant Windows Ltd Blackwood · Windows & doors

  Elegant Windows Ltd is a family-run installer of PVC-U windows, composite doors, and conservatories in South Wales, offering bespoke solutions with a

• E Elijah Homes Ltd Llanelli · Main contractor · 10-49 employees

  Elijah Homes is an experienced construction company based in Llanelli, South & West Wales, offering a range of services from new builds to refurbishme

• E Elston Construction Ltd Rushy Lane · Refurbishment

  Elston Construction Ltd offers a wide range of building services in Pembrokeshire, specialising in extensions, conversions, and renovations with a foc

• E Everstrong Construction Ltd Cwmbran · Refurbishment

  Everstrong Construction Ltd is a quality-focused construction firm based in Newport, Wales, serving South Wales and surrounding regions. We build last

• E Excel Home Design Pontyclun · Design & build · 1-9 employees

  Excel Home Design is an award-winning building company in South Wales, specialising in bespoke home renovations, luxury kitchens and bathrooms, and hi

• F Ffenestri Coast Windows Ltd Newcastle Emlyn · Windows & doors

  High quality window and door installations, conservatories, extensions and balconies in Carmarthenshire. Call Ffenestri Coast Windows.

• F Flair Electrical Engineering Tylorstown · Electrical

  Flair Electrical Engineering are Tylorstown based Electricians serving all of South Wales and surrounding areas. Providing domestic, commercial and in

• F Forty Builders Ltd Cardiff · Main contractor · 1-9 employees

  Cardiff high quality builders with vast experience in new builds, extensions, conversions and renovations. Free quote & consultation.

• G G Oakley Cowbridge · Main contractor · 10-49 employees

  G Oakley & Sons Ltd, established in 1954, offers comprehensive construction, M&E, and joinery services across the UK and Ireland, specializing in new

• G G Roberts Roofing Ltd Bodorgan · Roofing

  Anglesey based roofing and building contractor with over 30 years experience. Specialising in roofing, home extensions, and refurbishment projects acr

• G Garnett-Hughes Developments Ltd St. Asaph · Main contractor · 10-49 employees

  Garnett Hughes Developments Ltd is a construction company based in St. Asaph, North Wales, established in 2003. Serving public and commercial sectors,

• G Gentles Construction Ltd Cardiff · Main contractor

  Gentles Construction Ltd, established in 2009, offers building services including new builds, extensions, garage conversions, conservatories, and driv

• G Glazetech Ltd Rhyl · Glazing

  Glazetech specialize in architectural glass solutions, providing design, manufacture and installation of our products.

• G Green Modular Construction Solutions Ltd Penarth · Modular & offsite construction

  GMC Solutions is a modular construction company using modern methods for innovative and sustainable building. We offer bespoke, industry-certified pod

• G Gsr Construction Ltd Bridgend · Main contractor

  GSR Construction Ltd is a full-service building contractor delivering excellent services. We focus on safety, quality workmanship and transparent comm

• G Gwyn G Jones & Sons Ltd South Glamorgan · Main contractor · 1-9 employees

  Gwyn G Jones & Sons is a well-established, family-run building company with over 50 years of experience, serving South Wales. We offer high-quality wo

• H Hallgrave Structural Engineering Swansea · Extensions · 1-9 employees

  Hallgrave Structural Engineering offers expert structural engineering and project management consultancy services for residential and commercial renov

• H Haus Garden Rooms Ltd Cardiff · Design & build

  HAUS Garden Rooms designs and builds custom, fully insulated garden rooms in South Wales, offering electrics, heating, and warranties up to 25 years.

• H Hawkesford Construction Ltd Blackwood · Groundworks

  Hawkesford Construction Ltd offers a full range of building services in South Wales, from groundworks to roofing, new builds to extensions, and home i

• H Heath Windows and Doors Cardiff · Windows & doors

  Cardiff's Premier Double Glazing Installer. The Best Solution for Windows, Doors, Garden Rooms and Replacement Conservatory Roofs.

• H Hedlyn Building Contractors Ltd Pontypool · Main contractor

  Hedlyn Building Contractors Ltd is a family-run building contractor in Pontypool, South Wales, established in 1984. With over 40 years of experience,

• H Hempcrete Cymru Ltd Penrhyndeudraeth · Main contractor

  North Wales based construction company specialising in hempcrete and natural building materials. Offering sustainable, affordable, high-performance bu

• H Henry Jones (Criccieth) Ltd Gwynedd · Main contractor · 10-49 employees

  Building, Civil and Construction Contractors located in the Llyn Peninsula, North Wales. Specialists for nearly 40 years in new builds, public buildin