Welcome! M&J Building Construction offering specialist services as general builders in London specialising in the development of exclusive and exclusive projects. Our general builders in London are uncompromising on the top quality of craftsmanship they provide along with greatest possible service. Our General Builders in London will build on the client relationship. We perform all sort of construction work, no matter what the size of the job our general builders in London are proficient on a number of different trades, with superior workmanship at affordable prices. Extension, loft conversions - Build new houses, basement - Plumbing, electrical - Batchroom, kitchen - Painting, decorating - Renovation, maintenance