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Outbuilding Work in Cardiff and South Wales

Our skilled team have been developing and improving sites and new homes for more than a combined 25 years between them. With a strong focus on quality, efficiency and transparency, all of our building work comes with our guarantee of satisfaction, and we will work closely with you to ensure this is achieved. We love nothing more than exceeding expectations with our building work in Cardiff and South Wales.


With RGB Construction having completed building and construction work on a wide variety of new and old properties that are local to Cardiff and South Wales, we are highly confident that we have the skills and experience to move your exciting new build project forward, from project design (if required), right through to completion. To see some of the new build projects that we have been involved with over the years across Cardiff and South Wales, please feel free to visit our new build projects gallery

New Build    -    New Build Design

We understand how important it is to receive the highest standards of safety and quality when it comes to all types of building work, but especially so when it's concerning your home. A new build can open up a door of opportunities, as it will provide you with a brand new living space that you can utilise in a number of different ways. If you know that the team you have working on your property are reliable, efficient and passionate about the work that they are producing, then it can make the entire experience far more enjoyable and hassle free. Building and construction work on your property is stressful enough as it is, so we are fully aware that the last thing you want to do is have to contact builders to draft them in, in order to rectify bad previous bad workmanship. So, choose RGB Construction, and let us ensure that your new build design is brought to fruition in the best and safest way possible.

Construction of a newbuild property

New Build


A new build can indeed be both an exciting and stressful time for a property developer or family. Built from the ground up, a new space becomes available, and depending on the size, it can be used as an outhouse room in some cases, or an entire property unto itself in others. A granny annexe is a common example, although a new build is of course quite literally whatever you want or need it to be. We can build a housed shelter for your swimming pool, a new build for storage or to act as a second garage, a new build that is to become a new games room for the entire family to enjoy. The list is literally endless, so whatever you require a new build for, RGB Construction are on hand to make it a reality.

New Build Design

If you're not sure where to start when it comes to the design and planning of your new build, because let's face it this can often be tricky, then we're more than happy for you to get us involved. We have a wealth of experience so we can offer legitimate advice and information that can produce design plans to turn our combined ideas into action. We are willing to listen to your wants and needs, and come up with a design that you are entirely happy with. 

We involve ourselves with a wide range of new build projects for properties right across Cardiff and South Wales. You can view some of our new build work over on our dedicated new build projects gallery page. If you'd like to contact us to discuss your new build project and find out how we can be of assistance, then don't hesitate to contact us today for a free no obligation quotation. You can call us on 07946452571, send us an e-mail on or fill in our convenient online contact form, and if you can't get through to us immediately, then a member of the team will be in touch with you as soon as possible.

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