A loft conversion is one of the most efficient and cost-effective ways to add new living space to your home. Whether you need an additional bedroom, a home office, a master suite or a playroom, converting your loft can unlock incredible potential without altering your footprint.
At Chelmsford Building, we specialise in designing and constructing loft conversions that maximise space, natural light and comfort. We provide full structural work, insulation, electrics, plumbing, heating and interior finishing — all completed to building regulation standards.
Perfect for remote work or guest accommodation.
Most projects fall under Permitted Development.
Builds are efficient and cause minimal disruption compared to ground-floor work
We tailor the design to suit bedrooms, offices, ensuites or storage.
Dormer Loft Conversion
Adds significant headroom and floor space. Ideal for bedrooms and ensuites.
Velux (Rooflight) Conversion
Minimal structural change. A bright, cost-effective option.
Hip-to-Gable Conversion
Extends sloped roofs into vertical gables — excellent for semis and detached homes.
L-Shaped Loft Conversion
Perfect for large Victorian or extended homes needing a spacious multi-room loft.
Create a warm, fully insulated garden room ideal for working, relaxing or exercising all year round. We design and build stylish outdoor offices, gyms and studios using high-quality materials and modern construction techniques. Quick to install and built to last, a garden room is one of the most effective ways to add extra usable space to your Basildon home.
Transform your unused attic into a bright and practical new living space. Whether you need an extra bedroom, home office or ensuite, our loft conversions include all structural work, insulation, electrics and finishing. We build Dormer, Velux and hip-to-gable conversions designed to maximise light, comfort and property value.
Expand your home with a beautifully built single-storey, double-storey or wraparound extension. From open-plan kitchens to larger living areas and additional bedrooms, we manage the entire process — foundations, structure, roofing, glazing and finishing. Our extensions are designed for long-term durability and seamless integration with your existing property.
Unsure which loft type suits your home? We’ll show you options, layout ideas and cost differences based on your property.