House Extensions in Sutton, Surrey (SM1). GNT Construction — family-run builders — add valuable living space with a professionally built single or double-storey extension. Serving Sutton & Cheam, Carshalton. Free, no-obligation estimate.
GNT Construction provides high-quality house extensions in Sutton, Surrey. As a family-run builder based nearby in Cheam, we help homeowners across Sutton (SM1) and Cheam, Carshalton, Belmont to add valuable living space with a professionally built single or double-storey extension.
From the first site visit to the final finish, one experienced team manages your house extensions project in Sutton. We handle design, planning and building control where needed, and give you a clear, itemised written estimate before any work begins.
We are fully insured, tidy and reliable, and we build to last. Much of our work in and around Sutton comes from recommendations and repeat customers — the best measure of a builder you can trust.
We also provide house extensions in neighbouring areas:
Yes — GNT Construction regularly provides house extensions throughout Sutton and SM1, as well as nearby Cheam, Carshalton, Belmont. We are based close by in Cheam.
Costs vary with size, spec and groundworks. We provide a free, itemised, no-obligation estimate after a site visit so you know exactly what your project will cost.
Get a free, no-obligation estimate from GNT Construction — trusted local builders.
Get your free estimate Call 0208 646 3167