Berriman Constructions UK Are you looking for any renovation work, roofing services, loft conversions, garden scaping, home extensions etc. in UK? Why not work with the best when you have an option? We, at Berriman Constructionare highly skilled team of people who have been catering to the needs of our clients since the past three decades in and around Cardiff South Wales. The services we provide are of the best quality and they come at highly competitive prices compared to the prevailing rates in the market. Berriman Construction is a family run business based in South Wales.