About
KJM is a trusted home-improvement specialist providing high-quality hup! extensions to homeowners across Hampshire. Founded in 1982, we have built a strong reputation in the region for craftsmanship, reliability, and customer-focused service, with much of our work coming through recommendations and repeat custom. Customer care is central to the success of our hup! projects, with a straightforward, no-pressure quotation process and a commitment to honest advice, ensuring you can make informed decisions in your own time. With decades of industry experience, professional accreditations, and a proven track record across residential and commercial projects, KJM delivers high-quality hup! installations backed by attentive service and long-term support.
Trusted hup! builders in Andover
We are proud to be trusted members of the hup! Partner Network and are also Which?, Checkatrade and FENSA approved providing you with complete peace of mind.
Showroom
- Unit 9 Mylen Business Centre
- Andover
- Hampshire
- SP10 3HR
Opening times
Any questions?
Is hup! compliant with Building Regulations?
I’m worried about costs spiralling and exceeding our budget.
I’ve heard horror stories about home extensions, what makes hup! different?
Is hup! too good to be true?
Still need help?
Visit our advice hub to find answers to questions, useful tips, and more
