Professional house extensions in Swindon including rear, side and double-storey builds. Trusted local builders with full project management.
House extensions are one of the most effective ways to add space and long-term value to your home. At Swindon Builders, we design and construct extensions that are tailored to your property, lifestyle and budget, ensuring the new space feels like a natural part of the original home.
We work across Swindon, Old Town, Wroughton, Stratton, Haydon Wick and Royal Wootton Bassett, delivering high-quality extensions for growing families and homeowners seeking more usable space.
Home Extension
We build a wide range of extensions, including rear, side-return, wraparound and double-storey designs. Whether you’re looking to create a larger kitchen-diner, family room or additional bedrooms, we ensure the layout improves flow, light and functionality.
Many extensions fall under permitted development, but planning permission may be required depending on size and location. We advise on planning requirements, manage structural work such as RSJ installation and ensure all construction complies with building regulations.
Our extensions are built with modern insulation, durable materials and careful attention to detail, ensuring comfort, efficiency and lasting value for your Swindon property.
We advise on permitted development and planning permission where required and manage the full build process. From foundations and structural steel to roofing, insulation and finishes, all work complies with current building regulations.
Create a high-quality, fully insulated garden room designed for year-round use. Ideal as a home office, gym, studio or quiet retreat, our garden rooms are built to suit your space, lifestyle and budget.
We manage the full build from base and structure through to electrics, insulation and finishing — delivering a durable, comfortable space that adds real value to your home.
Turn unused loft space into a bright, practical living area with a professionally built loft conversion. Whether you’re adding a bedroom, home office or en-suite, we handle the full process from structural work to final finishes.
Our loft conversions include insulation, electrics, staircase installation and all required building work, ensuring a safe, compliant and well-designed space that integrates seamlessly with your home.
Expand your home with a carefully planned house extension built around your needs. From single-storey and double-storey extensions to wraparound designs, we create additional space that feels like a natural continuation of your property.
We manage every stage of the build — foundations, structure, roofing, glazing and finishes — delivering a long-lasting extension that improves layout, comfort and overall property value.