Welcome to your local, independent building merchant in Wallingford on Lupton Road, Oxfordshire, OX10 9BS. MKM Wallingford have an extensive range of stock including the everyday essentials to specialist equipment across building materials, plumbing and heating, landscaping supplies and more. Plus, with free local delivery and a stunning kitchen and bathroom showroom with creative in-house design experts, we have everything you need for your next building or DIY project.