About s Johnson & sons

S Johnson & Sons Builders based in Hemel Hempstead in Hertfordshire, specialising in extensions. With 35 years of experience and knowledge, we know that we can carry out any project set before us.
We consistently deliver the care and attention to detail that every customer deserves. We offer a comprehensive, honest and reliable building service and are committed in developing a trust between the company and its customers by providing a high quality service and excellent workmanship.