About Quantas Construction Ltd

Your Local, Trusted Builders in Swansea & South Wales Established 2016 | Over 30 Years' Combined Experience

Who We Are

At Quantas Construction Ltd, we’re more than just builders — we’re passionate craftsmen with a dedication to delivering high-quality, reliable construction services across Swansea, Mid Wales, and South Wales.

Founded in 2016, our company was built on the foundation of honest work, expert craftsmanship, and a simple goal: to leave every customer 100% satisfied with the job we do.

With over 30 years of combined industry experience, we’ve developed the knowledge and practical skills to take on a wide variety of building projects — from small home improvements to large-scale barn conversions, commercial renovations, and everything in between.

What Sets Us Apart

City & Guilds Qualified

Our team is fully trained and time-served, holding City & Guilds certifications that ensure every project is carried out to a professional standard.

Attention to Detail

We don’t cut corners. Whether we’re pointing a stone wall, installing sash windows, or managing a full property renovation, we take pride in clean, precise, and durable workmanship.

Customer-First Approach

We believe that good communication is key. From initial consultation to project completion, we keep you informed every step of the way to ensure the job runs smoothly and meets your expectations.

Reputation Built on Results

We treat every project — big or small — with care and commitment. Our reputation is everything to us, and we strive to make sure our last job is always our best.

Notable Projects

We’re proud to have worked on a number of standout projects, including:

Restoration work on townhouses in Marble Arch, London for Lord Portman’s estate

Full renovation of the award-winning Ty Menyn holiday cottage in Llandeilo

Numerous domestic and commercial projects across South Wales

Areas We Cover

We proudly serve a wide area including:

Let’s Build Something Great Together

Whether you’re renovating, extending, or starting from scratch, Quantas Construction is here to help. With our experience, professionalism, and hands-on approach, we’re the reliable local builders you can trust.