R DURTNELL AND SONS LIMITED - Quality in Construction since 1591 Durtnell is the UK's oldest building contractor, and is unique in that it has been handed down from father-to-son for thirteen generations. Chairman Alex Durtnell is naturally proud of the company's heritage and longevity, but also with its ability to change with the times and continually deliver the standard of quality expected by its customers. As a specialist building contractor focused on providing every client with a high quality service, the company operates within the education, private residential (prime and super-prime), heritage, community and commercial market sectors. Offering expertise in both traditional and design and build contracts, and in all forms of construction from new build to restoration, refurbishments and extensions across the South East including London. Durtnell's Head Office is in Brasted where the Main Contracts team's projects range from £1.5m up to £20m.