Renlon are part of the Renlon Group and are leading specialists in Basement Waterproofing, Damp & Timber solutions for over 40 years, providing full survey and contractor services for London and the Home Counties. We provide waterproofing solutions for below ground structures and elevated decks or podiums, a range of render and membrane systems together with damp proof courses and treatments for wood boring insects and for the prevention of dry and wet rot decay to timbers. Whether you are an architect, surveyor, building contractor or a householder we offer a complete survey, design and guaranteed installation service to meet your needs. We are members of the Property Care Association and hold accreditation with Construction Line Gold, Safecontractor, Basement Waterproofing Association, Builders' Conference, THSP, BSWA, BSI and Trustmark. All of our design and remedial solutions carry a long-term guarantee, third party insurance backed guarantees are also available.