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Here at RGB Construction, we understand the importance of developing a productive relationship with our clients.

A relationship built on trust, communication and desire to exceed all expectations.


As local builders in Cardiff, South Wales, we strive to deliver on promises and to remain transparent throughout each project.

We wholeheartedly appreciate the kind words from our customers that help reflect all of this.

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Some of Our Google Reviews

Rachel Bartley
Cardiff, South Wales

Very pleased with the work carried out by RGB for our single storey extension and kitchen refurb from start to finish. Very friendly team who completed work to a high standard. Good communication. Would highly recommend Rob and his team.

Oliver Elliott
Cardiff, South Wales

Rob and his team have transformed our home with a significant extension and multiple internal and external renovations, all finished to an incredibly high standard. During their time working here they were friendly, courteous, professional and always hard at work. Communication was great with Rob always being contactable and happy to answer our many, many questions! I know from experience it can be a minefield finding an all round quality building crew but RGB definitely fits the bill and I highly recommend them.

Emma Al-Sheikh
Cardiff, South Wales

Rob and his team converted our garage and did an excellent job. The work was done to a very high-quality standard, and the communication throughout couldn't have been better. I would definitely recommend RGB to anyone who needs any work done. Thanks again to Rob and his team.

Grace Mccutchan
Cardiff, South Wales

We are really pleased with our extension - thanks to Rob and his team. He also did some internal work for us which we are very pleased with too. Rob's communication was excellent, he's reliable and always turns up when he says he will.

He delivered excellent work in difficult circumstances with the pandemic - thanks so much Rob and his team. Would definitely recommend (already have).

Lois Huelin
Cardiff, South Wales

I would highly recommend RGB Construction. We recently had a new kitchen installed by Rob and team and they were brilliant! Very professional and reliable. We are really happy with our new kitchen. Starting to think about the next project now!!

Rob worked on a single story extension along with a full house refurbishment. He came in when the house was in a real state and he worked tirelessly and was ever the professional throughout.

The work completed covered all aspects including plumbing, electrical, plastering and full ground work for the extension.

The work was finished to a high standard and really worked hard to get me and my family into the house earlier at our request.

Rob has stayed in touch since finishing the work and has come back to carry out further work and answer any questions I had.

I couldn’t recommend Rob and his team anymore than I already have. It can be difficult getting a reliable, honest and trustworthy builder in, but Rob ticks all these boxes and more. Thank you very much.

Gail Medcraft
Cardiff, South Wales

Rob and his team recently completed a major renovation of our home, inside and out.


It was a big job with 4 floors and 7 bedrooms and all completed in the middle of the pandemic! Nothing was too much trouble for them. Whether it was fitting the new kitchen, or bathrooms or any room in fact, the team were experienced and did an excellent job, helping us shape the fantastic home it is today.


They were always very polite and a pleasure to be around. They certainly have our recommendation!

Robert Cann
Cardiff, South Wales

We engaged in RGB Constructions services just shy of Xmas. After handing over our keys to Rob to carry out our extension and renovation works we moved into temporary accommodation. Our project consisted of a double storey extension, loft conversion and full renovation works of the existing home.


My partner fell pregnant which came as a lovely surprise with our first child, but we had no choice to proceed and hope that our project would be completed in time for the arrival of our new-born. Rob and his team worked extremely hard putting in weekends when not obliged but still went above and beyond their line of duty to get our project finished on time.


We cannot thank Rob and his team enough for remaining professional under pressure, outstanding communication, time keeping and a very polite and easy to work with team.


It's 5 stars from us guys and we could not recommend you enough, every word is deserved. We will not hesitate to pass your name on and use you again in the future.

We wish you all the best.

Wayne Driscoll
Cardiff, South Wales

Would highly recommend Rob and the team, they recently carried out our garage conversion to a high standard with minimum disruption to the rest of the house whilst the work was carried out.

Rob was competitively priced, supported us through the planning process and kept in regular contact throughout the build making sure we were updated and knew what was coming up next regarding the conversion process etc. The team did a great job to get it completed on time.

Will definitely use RGB again and will be recommending them as a great company to friends and family.

Bethany Langmay-Gibbs
Cardiff, South Wales

Rob and the team recently completed our kitchen extension and we are thrilled with the result. The new space has completely transformed how we live - in a good way!


Rob and the team worked hard throughout the process to make sure we were happy with everything and Rob was always available to answer queries and keep us up to date. Thanks all :-) Beth and Tim.

Susan Robertson
Cardiff, South Wales

Rob and the team did a fantastic job on our new kitchen. They worked really hard and everything they did was up to a really high standard with a great finish. I would definitely recommend RGB!

Karen Hill
Cardiff, South Wales

Really pleased with the works undertaken on my property which so far consist of a loft extension with en suite, bedroom conversion to bathroom, and major general repairs. There hasn’t been easy access to our property and little space for manoeuvre, but rob and his boys have been helpful and accommodating when undertaking the work and quick to respond to any queries. Just can’t wait for my next stage of works to get underway.

Oliver Bassett
Cardiff, South Wales

I used RGB Construction for an extension - pricing was clear from the offset, Rob and his team were professional, punctual and did a fantastic job! We are planning our next job and will definitely be using Rob again!


We always recommend them to everyone we know!

Kim Campbell
Cardiff, South Wales

Found Rob and his team to be reliable, trustworthy, tidy and feel super happy with the work they have done.

Have used RGB Construction before and plan to use them again. Highly recommended.

Thanks Rob and team 😊

Maria Gillard
Cardiff, South Wales

Choose this company you won't be disappointed!! Rob and his team did an outstanding job completing a large extension at our property. What a great team to work with! Rob and all his team are very professional and friendly.


From the start Rob was reassuring and knowledgeable, he took the time to take us to previous jobs he had carried out, all were to a very high standard and all the clients could not speak highly enough about the RGB team.


Communication was amazing, we were kept fully up to date at all times regarding progress. Our job presented Rob with an additional challenge as the downstairs lay out totally changed, which included moving the kitchen from one side of the house to the other while we remained in the property. This was coordinated exceptionally well with lots of consideration to us as a family.


Along the the way there were some issues with our architects design. Rob managed these very professionally and worked with the building inspector to ensure that we complied with regulations and still achieved the design we wanted within the original time scales.


Rob also went the extra mile as we had one or two small issues not related to work he had carried out but he still took the time to come round and resolve these issues. We have already recommended RGB to friends but if you look at the final pictures of our extension the work speaks for itself.

Shane Colhoun
Cardiff, South Wales

Excellent! Rob and his team renovated our kitchen (removed the separating wall between our old kitchen and back lounge, and fitted RSJ's) to create a much bigger kitchen/diner area.


The quality of work was excellent and all the team were very helpful with answering any questions, and also making recommendations on decisions throughout the process. I would certainly recommend RGB!

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