Two storey white house with timber cladding section and two garages next to a grey car

Builder services in Cardiff with all trades in-house

Name: R.E.G Construction Limited
Address: Wern Fawr Lane, Saint Mellons, WLS, CF3 5EA, GB
Telephone: 029 2168 5975

Featured in Grand Designs Magazine. Start-to-finish project management. One point of contact.

Call: 029 2168 5975

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What makes us different

40 years of experience

Decades of building knowledge delivered across projects of every size.

Free quotes available

Receive honest, no-obligation quotations before any work begins.

Google and Facebook reviews

Read genuine customer feedback from completed construction projects.

Close-up view of newly installed multi-coloured stone paving flags in a garden patio layout

What we offer

Kitchen island with four brown bar stools inside a modern house extension

Extensions, renovations and loft conversions

Need more room without moving? We guide your project from the first plans through to the final fix, keeping every stage clear and well managed.

Extensions & Loft Conversions

Modern white kitchen with a minimalist breakfast bar and overhead extractor fan unit

Kitchens and bathrooms

We create practical, well-finished spaces that suit the way you live. From design ideas to fitting and final details, you deal with one team throughout.

Kitchens and Bathrooms

Bright kitchen interior showcasing exposed oak timber roof beams and large glass windows

New builds

From early design and planning through to roofing, carpentry and decorating, we manage your build from the ground up. You get one coordinated process instead of chasing separate trades.

New Builds

Building work without the usual runaround

R.E.G Construction Limited is a family-run building company with over 40 years of industry experience, delivering high-quality construction projects across residential and commercial sectors. With all trades kept in-house, we provide a seamless service covering everything from architecture, bricklaying and carpentry to extensions, renovations, new builds, kitchens, landscaping, roofing, plumbing and electrics.

Our experienced team manages every project from start to finish, giving clients one reliable point of contact throughout the process. Featured in Grand Designs Magazine, we are known for our skilled workmanship, honest approach and commitment to creating functional, beautifully finished spaces tailored to each client’s needs.

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Wooden garden gazebo with outdoor dining table set on a grey paved patio surrounded by green trees

Modernised two storey house featuring a grey block paved driveway and a contemporary front porch entry

Rory Harries, Google

I would recommend REG Construction for there Excellent service, there quality of work, was second to none, all the men were accommodating to all our needs. Mike and Sam were very professional with there approach to project and very accommodating to our requests. Always looking to assists us and giving us great advice, which benefited the project in the end.

Why choose R.E.G Construction Limited?

All trades are kept in-house
One contact from start to finish
Free no-obligation quotes
40 years on the tools
Clear communication that respects you

Create spaces built around your vision

Call us now for trusted builder services and expert project support.