Use our years of experience and expert knowledge to maximise your living space. We listen to our client’s requirements and offer advice from planning through to completion. We have many satisfied customers who are delighted with their new extension. Each Landsdowne project is designed with a detailed specification, price and line drawing prepared for your approval and complete peace of mind. We supervise and inspect everything from the foundations, through all stages of the building work through to completion. Landsdowne covers the Home Counties; Oxfordshire, Buckinghamshire, Berkshire, Hertfordshire, Surrey and Greater London so you are never too far away.