PHOENIX
EXTENSIONS LTD

Local, Experienced and reliable builders and conversion experts


As a family-run, Swindon-based business with over 30 years of experience, we deliver professional, reliable building services supported by decades of industry knowledge and expertise.

We offer a wide range of specialised building options and love turning your conversion or extension dreams into reality. We also love seeing the difference a newly created dream space makes to a home

Our Services


Working locally with clients like you

We are based in Swindon but are happy to work in Lechlade, Cirencester, Wanborough, Marlborough and the wider Wiltshire area. 

We specialise in conversions and extensions, so if your downstairs needs an upstairs or your upstairs needs another upstairs, we are confident that we can provide a brilliant service and turn your conversion or renovation dreams into a reality. 

Whether you are at the ‘thinking about it’ stage or have some ideas and are ready to go, we’d love to work with you. Please get in touch for a friendly chat.

House Extensions

Loft Conversions

Garage Conversions

Why choose phoenix extensions?


Firstly, we are really good at listening to our clients. We love to listen, and then we love to get on with it! 

We also know that having building or renovation work done on your home (in whatever capacity) can be a pain in the rear – not to mention stressful at times – and you probably won’t have access to your entire house while the work is underway. 

We understand that, so we work hard to make the experience as stress-free as possible for you, with the promise that any stress that does arise will be worth it when we’re finished. After all, we’ve had over three decades to get this process right!

Certificates