A complete building service for your home extension, loft conversion and new build. From brickwork to complete project managementJames Challis Building Solutions is a small family run company based in Cambridge. We offer a friendly and professional service which includes all aspects of building work from new builds, extensions, conversions, refurbishments to repairs and alterations. We ensure the highest standard of workmanship and management of projects. Each project we take on has our complete commitment to drive it forward to be within budget and to be completed on schedule. We offer a client focused service guaranteeing you are 100% satisfied.