Extension builders in Wales working in residential

224 extension builders across Wales working in the residential sector.

187 of these 224 companies file accounts at Companies House, with a median reported or estimated turnover of £370k, and 87 hold at least one accreditation, most often FMB. All 224 are active on the register, and 72 were incorporated in the last three years.

• A A K Developments Anglesey Ltd Pentraeth · Main contractor · 10-49 employees

  Award-winning building contractors on Anglesey and trusted builders across North Wales. Controlled, well-managed construction, renovations, extensions

• A A Rated Home Improvements Swansea · Windows & doors · 10-49 employees

  A Rated Windows and Roofs offers conservatory roof, home extension, glazing, and door installs across South Wales. 20+ years of expertise. Get a free

• A Aahouse Ltd Pembrokeshire · Timber frame · 1-9 employees

  AAHouse is a UK building company based in Tenby, Pembrokeshire, specialising in timber frame houses, extensions, Airbnb pods, and garden offices.

• A ACM General Builder Pontypridd · Extensions

  Exceptional home extensions and renovations throughout South Wales and the South West. ACM General Builders has a reputation for perfection, excellenc

• A Activate Construction Ltd Aberdare · Main contractor · 1-9 employees

  Activate Construction Ltd are a building contractor based in South Wales. Specialists in new builds & extensions.

• A Adeiladwyr North Wales Builders Ltd Pwllheli · Refurbishment · 1-9 employees

  Adeiladwyr North Wales Builders are a professional building company specialising in high-quality property improvements and maintenance across North Wa

• A Adref Construction Ltd Cardigan · Main contractor · 10-49 employees

  Specialist West Wales construction company focusing on architect-led luxury homes and detail-driven commercial projects.

• A AGVerandas Ltd Rumney · Extensions · 1-9 employees

  AGVerandas Ltd designs, supplies and installs modern aluminium and glass verandas in Cardiff and South Wales.

• A Aj Building Contractors Anglesey Ltd Bangor · Refurbishment

  AJ Building Contractors Anglesey Ltd is a family-run construction company in Llanerchymedd, North Wales, specialising in refurbishments, extensions, a

• A Ajy Construction Ltd Newport · Main contractor · 1-9 employees

  AJY Construction Ltd provides a wide range of building services in South Wales & beyond since 2023, focusing on high quality workmanship for residenti

• A Alan Roberts & Sons Builders Ltd Corwen · Main contractor · 1-9 employees

  Alan Roberts & Sons Builders Ltd offers a comprehensive range of building services including new builds, renovations, extensions, stonework, alteratio

• A Alexander Constructors Ltd Penarth · House builder · 1-9 employees

  Alexander Constructors Ltd is a family-owned business specialising in residential building and construction, including new houses, apartments, extensi

• A Algar Groundworks Ltd Swansea · Groundworks

  Algar Groundworks offers groundwork and building services in Swansea. With over 13 years established and 20 years of team experience, they cater to do

• A Amd Construction South Wales Ltd Neath · Extensions · 1-9 employees

  A M D Construction South Wales Ltd are trusted, experienced builders based in Neath, specialising in extensions, conversions, and renovations. Contact

• A Amp Construction & Groundworks Ltd Gwalchmai · Main contractor · 1-9 employees

  A family-run construction and groundworks company from Anglesey with over 40 years' experience in general construction and civil engineering across No

• A Apex Building And Developments Ltd Wrexham · Extensions · 1-9 employees

  Apex Building Developments is a construction management team and contractor for upcoming projects, offering a comprehensive and professional service f

• A Apex Property Developments South Wales Ltd Port Talbot · Property developer · 1-9 employees

  Apex Property Developments South Wales is a leading firm of builders in Port Talbot, delivering quality residential and commercial building projects,

• A ASD And Sons Construction Ltd Cardigan · Extensions

  ASD And Sons Construction Ltd offers premier extensions & conservatories, house renovations, and extensions in Cardigan, Wales. We specialise in quali

• A Ash Installations And Construction Ltd Cardiff · Main contractor · 1-9 employees

  Ash Installations & Construction Ltd are a professional, reliable and fully accredited construction company based in Cardiff. Experts in construction

• A Ashe Windows Colwyn Bay · Windows & doors · 1-9 employees

  Ashe Windows are your friendly, trusted window, door and conservatory installer in North Wales and Cheshire, specialising in high-quality home upgrade

• A Astro Building Services Llanelli · Loft conversions · 1-9 employees

  Astro Building Services are local building contractors covering Swansea, Llanelli and surrounding areas for garage and loft conversions, barn conversi

• A Atlantic Home Solution Ltd Newport · Extensions

  Atlantic Home Solution Ltd provides house extensions, loft conversions, and roofing services in Newport. Reliable building solutions for your home.

• A Atrium Construction2022 Ltd Swansea · Extensions · 1-9 employees

  Atrium Construction are building contractors and planners in South Wales, offering services from house extensions and new builds to property refurbish

• A AVID CONSTRUCTION LTD Swansea · Design & build · 1-9 employees

  Premier construction services across South Wales. From concept to completion, we deliver excellence in every detail. Specialising in new builds, exten

• B Ben Jones Building Contractor Ltd Barry · Main contractor · 1-9 employees

  Builder based in the Vale of Glamorgan, we provide a full range of building services from small alterations to large extensions and renovations.

• B Bespoke Construction & Joinery Solutions Ltd Pontypool · Main contractor · 1-9 employees

  Experienced builders in Pontypool, South Wales. Specialising in bespoke construction and joinery, including barn conversions, heritage projects, exten

• B Bricks And Hands Ltd Cardiff · Extensions

  BRICKS AND HANDS LIMITED is a construction and building company offering quality, reliability, and excellence. From residential to commercial projects

• B Bright Surge Electrical Ltd Colwyn Bay · Main contractor

  Bright Surge Electrical Ltd offers professional house construction, renovation, new builds, extensions, and electrical services in Colwyn Bay and Nort

• B Brope Access Solutions Cardiff · Scaffolding · 1-9 employees

  Brope Access Solutions offers specialized rope access, facade access consultancy, and bespoke software solutions for technicians. Founded by an IRATA

• B Bubble Construction Ltd Porthcawl · Kitchen fitting · 1-9 employees

  Bubble Construction is a Porthcawl-based company offering quality installations, specializing in kitchens, extensions, and loft conversions. They focu

• B Burns Building & Plastering Ltd Llanelli · Extensions · 1-9 employees

  Burns Building & Plastering Ltd, based in Llanelli, offers professional building services including extensions, new builds, refurbishments, and hard l

• C C James Carpentry & Construction Ltd Cardiff · Main contractor · 1-9 employees

  C James Carpentry & Construction Ltd, based in Cardiff, offers a comprehensive range of building services including house extensions, home renovations

• C C.M.S. Builders Ltd Haverfordwest · Main contractor · 1-9 employees

  CMS Builders is a reliable and trustworthy family business providing general building services in & around Pembrokeshire. Services include new builds,

• C C.S Roofing And Building Ltd Cardiff · Roofing

  C.S Roofing and Building offers comprehensive roofing and building services in Cardiff and surrounding areas. Specializing in repairs, installations,

• C C&M Development And Design Ltd Cardiff · Loft conversions · 1-9 employees

  C&M Development and Design Limited is a family-run builder in South Wales specialising in loft conversions, house extensions, and property refurbishme

• C Caimason Building Services Ltd Swansea · Extensions · 1-9 employees

  Director-led residential building contractor delivering high-end extensions, renovations and new builds across South Wales. Building Homes. Building T

• C CAN Property Development Cardiff · Refurbishment · 1-9 employees

  Passionate about creating amazing liveable spaces. Using creativity to transform spaces into inspiring places to live, work or simply enjoy.

• C Capron Building & Roofing Ltd Gwent · Roofing · 1-9 employees

  Capron Building & Roofing LTD offers expert roofing and building services in Newport and Cardiff. Over 28 years' experience, accredited, insured.

• C Carter Thomas Construction Ltd Cardiff · Extensions · 1-9 employees

  Carter Thomas Construction Ltd offers a comprehensive range of building services, specialising in extensions, renovations, and conversions for both re

• C Cartrefi Einon Homes Llandysul · House builder · 1-9 employees

  Family-run business building new homes in West Wales for over 30 years, offering traditional and timber frame construction. We provide a personal serv

• C Cartrefi Ffosaron Homes Ltd Cardigan · Timber frame · 1-9 employees

  Award winning timber frame specialists and experienced in a wide range of conversions and extensions covering South West Wales.

• C Cdaa Services Ltd Swansea · Refurbishment · 1-9 employees

  CDAA Services is a professional property renovation company based in South Wales, specialising in high-quality residential and commercial renovation w

• C Cedar Joinery & Building Ltd Wrexham · Kitchen fitting · 1-9 employees

  Cedar Joinery & Building create bespoke kitchens, bathrooms, extensions and joinery commissions in Wrexham and Chester. Family-run business since 2010

• C Cfj Developments Ltd Llanelli · Refurbishment

  CFJ Developments is a trusted construction and renovation company delivering high-quality residential and commercial projects across South Wales and t

• C Charisma Construction Ltd Swansea · Kitchen fitting · 1-9 employees

  Charisma Construction is a full-service building company in Swansea and South Wales, transforming spaces with a focus on aesthetics, functionality, an

• C CHECKMATE BUILDING LTD Barry · Main contractor

  Checkmate Building offers a wide range of building, landscaping, and fire protection services in South Wales. They specialize in creating beautiful in

• C Chris Owens Homes And Construction Ltd. Llanfairpwllgwyngyll · Groundworks · 1-9 employees

  Anglesey & North Wales building and construction company with 25 years experience. Offering building and earth works, renovations, landscaping and mor

• C Clarke Ground Maintenance Ltd Abergavenny · Landscaping

  Expert Tree Surgery, Landscaping, Groundworks & Operated Tractor Hire across Wales and the South West of England. Serving Monmouthshire, Powys, Glouce

• C Coastal Construction & Renovation Services Ltd St. Asaph · Extensions · 1-9 employees

  Coastal Construction & Renovation Services Ltd offers expert building, renovation, extension, and conservatory services in Prestatyn. Contact us for a

• C Coastbuild Ltd Tenby · Carpentry & joinery · 1-9 employees

  Coastbuild Ltd is a local construction company servicing Pembrokeshire's South West coast, known for high-standard projects, outstanding craftsmanship