House Extensions in Exeter
CSHI is a trusted Exeter building company specialising in high-quality house extensions in Exeter.
Whether you’re looking to create extra living space with a bespoke home extension, convert your loft or garage, or undertake a full home renovation, our skilled team of Exeter builders brings experience, craftsmanship, and attention to detail to every project.
Turning Houses into Homes Across Exeter
At CSHI, we’re a trusted Exeter building company specialising in house extensions in Exeter that transform homes and add valuable space. Whether you’re planning a single-story rear extension, a double-story addition, or a bespoke side extension, our skilled Exeter builders bring your vision to life with precision and care.
No project is too big or too small. From initial planning to completion, our dedicated team works closely with you every step of the way, ensuring a smooth process and results you’ll love. We also provide free, no-obligation quotes, so get in touch today and let us help you create the perfect Exeter home extension tailored to your lifestyle.

Recent House Extensions in the Exeter Area
Exeter Home Extension
Before and after pics of our Exeter job finished recently. The client is completing all of their own internal works. Fantastic team effort with another happy client.
Kitchen Extension
Large home extension process in the Exeter area. Project faced challenging circumstances with the weather, but we were able to complete it in time for the client to have their Christmas dinner indoors!
Looking for trusted builders in Exeter?
CSHI is a local building company providing everything from extensions and loft conversions to windows, doors, and full home renovations.

Trusted Local Family Business
We’re an established local business with many years of experience, we provide quality work at an affordable price. We dont do the hard sell techinque, we work with you and tailor our services to your requirements.

Insurance Backed Guarantee
All windows and doors carried out by us comes with a 10 year insurance backed guarantee to give you extra peace of mind.