“We recently had a rear extension completed by Josh and the team at Brixter Construction, and we couldn’t be happier with the result. From start to finish, they were professional, reliable, and easy to deal with.The work was completed to a high standard, finished on time, and stayed within the agreed budget.Jason PrenticeGoogle review · July 2026
The quality of the workmanship is excellent, and the finished extension has exceeded our expectations.Josh kept us informed throughout the project, and his team were friendly and respectful of our home.
We would have no hesitation in recommending Brixter Construction to anyone looking for a trustworthy and skilled building company.”
Loft, garage & home conversions in Mid Sussex
Unlock the potential of your property with practical, beautifully finished living spaces.
Built around you.
Delivered with care.
Maximise unused attic space with stylish and practical loft conversions. Our team brings together structural expertise, skilled carpentry and quality interior finishing to help you make better use of your existing property.
- Loft conversions
- Garage conversions
- Interior reconfiguration
- Structural alterations and carpentry
- Plastering, decorating and final finishes
We take on conversions in Hassocks, Keymer, Burgess Hill, Haywards Heath, Hurstpierpoint and across Mid Sussex, Brighton & Hove and Lewes. Quotes are free and without obligation.
Get a free quote for your conversions project
What our clients
say on Google.
Real reviews, quoted word for word. Read all our reviews on Google ↗
“The Brixter team have provided an excellent service from beginning to end. We are very pleased with the work they have carried out.Justin BartholomewGoogle review · July 2026
We were given step by step guidance about how to get planning and they have worked closely with us throughout the project giving us sound advice with a no-nonsense approach.
Josh, Simon and their team are all efficient, hard working, polite and tidy.
Brixter Construction comes highly recommended!”
“I had a great experience with Brixter construction. The team was professional, reliable, and communicated with me throughout the whole project. The quality of their work was amazing and everything was completed on time! They listened to me very well and made sure I was happy with every stage of the process. I would definitely recommend them to anyone looking for trustworthy company”ScarlettGoogle review · April 2026
Loft conversions
A loft conversion turns unused roof space into a bedroom, office or bathroom without adding to your home’s footprint. It brings together structural work, carpentry, insulation, plastering and finishing, all of which our team covers. Many loft conversions can be built under permitted development, depending on the size and the type of house, but every loft conversion needs Building Regulations approval.
Garage conversions
Converting a garage is a practical way to add an office, playroom, bedroom or bathroom. One of our Google reviewers describes a project where we converted their garage into an office and a new bathroom as part of a larger renovation. Garage conversions normally need Building Regulations approval. They often fall under permitted development, but some homes, particularly on newer estates, have had those rights removed, so it is worth checking with your council first.
Reconfiguring the space you have
Sometimes the best conversion is a better layout. The same project combined a lounge, hall and kitchen into one large living space. That kind of reconfiguration usually involves removing load-bearing walls and fitting steel beams, which we handle in-house alongside the finishing work.
What to expect
We start by listening to how you want to use the space, then explain what is involved, which approvals are likely to be needed and how the work will be sequenced. You will have a clear point of contact throughout, and our team carries the project through to plastering, decorating and the final details.
Where we work
We’re based at 29b Keymer Road, Hassocks, and work across Mid Sussex, Brighton & Hove, Lewes and the wider Sussex area, including Hassocks, Burgess Hill, Haywards Heath, Brighton & Hove, Lewes, Cuckfield, Hurstpierpoint & Ditchling, Lindfield, Worthing and East Hoathly.
Related
projects.
You may also
need.
Steel beams & wall removal
Removing load-bearing walls and installing steel beams to open up kitchens, dining rooms and living spaces.
02Extensions
More room for the life you want. Bespoke extensions that feel at home from day one.
03Renovations
Thoughtful transformations, from a single room to a complete property refurbishment.
Tell us about your
conversions project.
Send us a few details and we will get back to you. Quotes are free and without obligation.
Your next chapter
starts with a conversation.
Tell us what you have in mind. Let’s build it together.



