Modern Home Extensions Across Hertfordshire
Our team delivers complete design and build solutions, helping homeowners across Hertfordshire and the surrounding areas to transform their homes.
Three Decades of Experience
Open and Honest Contracts
Experience With Major Projects
Staged Payments to Ease Costs
Over 30 Years of Experience
At Ultra Design & Build, we help homeowners create more space with high-quality home extensions, garden rooms, and renovation projects designed around modern family living. With over 30 years of experience, we provide clear quotes, straightforward contracts, and reliable workmanship to homeowners in Hertfordshire and the surrounding counties. From initial planning through to completion, our experienced team works closely with you to deliver a practical, well-designed space that suits your home and lifestyle.
Use hup! To Elevate Your Home
Choosing our hup! builds can transform the way you use your home by creating bright, comfortable spaces designed for modern family living. Its quick-to-build system delivers excellent energy efficiency and a stylish finish with far less disruption to your home than a traditional build.
What Our Customers Say
Google
“Anthony and his team did firstly our garage conversion with a toilet and shower room. We were so impressed and nothing was a problem, clean and tidy throughout the whole job so we then got him and his team to do the kitchen again all a lovely finish and great craftsmanship was very happy many thanks again”
Mr and Mrs Clavin
Google
“The rear extension,kitchen and living room works were all finished to a high standard, worked late to get things done and was there 24/7 a lot going in but all so tidy so when that was done. We then asked them do the garden also were he laid a lovely patio. Would definitely use them again”
Tina Stansted
Google
“Anthony was about the 5th builder we approached as many when showed the plans never got back to us. We are sure it was the details of removing the rear of the house from top to bottom that most did not like !! But this was not a problem for him and built are double story extension with lots of steel work with no problems. See you soon for the kitchen !”
Mr and Mrs O'Neal
Google
“The double rear extension and new dormers to front of house completed was great finish clean and tidy and was always there for questions ect and dealt with any items very quickly Thanks agin for the work”
James & Sara
Get in Touch
When you are ready to design your house extension, get in touch with us today.