At JNJ Building Solutions we specialise in extensions, loft conversions, refurbishments, landscaping, kitchens and bathrooms, and have a large range of experience in all aspects of building work. As widely respected builders in London we’ve built a reputation that we are truly proud of. Our enviable reputation comes from working with our clients to deliver an end-to-end experience to make your whole building process as stress free as possible from start to finish. We can work with existing plans or we can recommend approved architects. We also offer recommendations and advice on structural engineers, building control officers, planning permission and other requirements such as party wall agreements etc. JNJ Building Solutions can also provide clients with design ideas from lighting consultancy, utilising space, textures, finishes, fixtures and fittings. Who we are What we do JNJ Building Solutions are based in Warlingham, Surrey, and serve our clients throughout the London boroughs and the South East. Our expertise, imagination and passion provide our clients with new captivating spaces on time and within budget. JNJ Building Solutions won the HIGHLY COMMENDED award at the 2017 LABC Building Excellence Awards held at the magnificent Guildhall in London. Our award was in the category ‘Best Extension or Alteration to an Existing Home’.