Sinclair & Jones Building Contractors Ltd




From first-fix carpentry to multi-storey property extensions and mansard loft conversions, Sinclair & Jones Building Contractors Ltd does it all. More than just a team of builders based in Haywards Heath, we provide a full project management service for home refurbishments, property renovations and all other home improvements you may need. This means a stress-free experience for you, all courtesy of a friendly and enthusiastic team.

If you live in Sussex, please speak with us in Haywards Heath for a quotation. We bring loft conversions, property extensions and more to completion, and all to an exacting standard and your specifications.

So what makes our team of builders such a local favourite? Read on to find out.

Do you have questions about a building project? We are always willing to answer your questions and provide guidance on any building or renovation project.


When you need home refurbishments or property extensions, it’s important to choose a team who can make the process as disruption-free as possible.

Exceptional Customer Service

Whether you need loft conversions, property renovations or a new driveway, our team of builders in Haywards Heath will discuss your project in detail to understand your expectations. We believe that great communication is a big part of what makes our company unique and a key reason why we continue to rate highly on the Checkatrade website.

Our in-house builders also provide advice and can keep you updated throughout the project, reassuring you of quality materials and reliable building techniques.

Knowledge and Experience

We bring more than four decades to home refurbishments, loft conversions and property extensions. In turn, we have spent years resolving problems for clients from various walks of life – an essential skill we can now lend to your Haywards Heath or Sussex home. Skilled in carpentry, joinery, plumbing, groundworks, glazing and more, we send qualified tradespeople to ensure property renovations and all other works deliver the luxury you expect.

You can also ask our trusted and in-house team of builders to increase energy efficiency in the home. We can install new windows, underfloor heating, and have a firm grasp of eco-housing.

A Trained Team, With Manufacturer Guarantees

With CSCS cards, NVQ and City & Guilds certification, a high rating on Checkatrade and FENSA approval, our team is well-trained and highly accredited. We also hold the proper insurance when undertaking property extensions, home refurbishments, property renovations and loft conversions in the Haywards Heath area.

All products come with manufacturer guarantees, but in the unlikely event of a problem, our team of builders will return quickly to resolve the issue for you.

A Reputation for Cleanliness

We know that some of our competitors may leave you with a messy environment upon completion, but we believe in doing the opposite. Loft conversions, property renovations and home refurbishments can kick up a lot of dirt, which may then settle on your shelves or inside your electronics. Our team of builders in Haywards Heath is renowned in the local area for making sure homes stay in excellent condition throughout the development process.

Do you need to update your home in Haywards Heath or the surrounding areas? We specialise in property extensions, renovations and new builds, and deliver most building services in-house to remove the need for multiple companies.

Free No Obligation Quote

Discuss property extensions for your home in Haywards Heath, Horsham, Lewes, Burgess Hill or the surrounding areas, speak with our team on