John Wright Builders Northamptonshire has been operating across Northamptonshire and the surrounding counties since the 80s. 80% of our work comes from recommendations. Specialising in domestic house extensions of all sizes, new builds and commercial projects. Builders for house extensions, builders for new builds, builders, commercial builders - serving Northamptonshire Daventry Market Harborough Corby Kettering Wellingborough Bedford and surrounding areas.