Hup! Building System
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Fast conservatory upgrades and modular home extensions with Hup!
Improve your current conservatory or build a new Hup! extension
Our versatile Hup! modular building system offers a range of upgrades for your old conservatory, creating a highly insulated home extension for year-round use and enjoyment. Alternatively, specify a Hup! home extension – constructed on your existing conservatory base (subject to survey) or new footings – and let our modular building system deliver the space you need, fast!
10 benefits of the Hup! Building System
- Up to five times more energy efficient
- Five times quicker to build with less mess
- Energy efficient walls – more internal space
- Huge choice of designs and finishes
- Consistent, high quality finish throughout
- One supplier for the whole project
- All costs known before start
- Minimal delays – work in most weather
- No architect costs
- No more expensive than traditional build
4 Ways To Improve Your Home With Hup!
1
Roof
Replacement
New:
Hup! solid replacement conservatory roof
Shown with optional full depth glazed panels
2
Roof Replacement and New Side Frames
New:
Hup! solid replacement conservatory roof – shown with optional full depth glazed panels
New Side Frames – Windows and Doors
3
New Extension on Existing Base
Retain:
Existing base*
(250mm min deep concrete)
New:
Hup! solid roof – shown with optional full-depth glazed panels
Hup! side wall panels
Windows
Doors
*Subject to survey
4
New Extension with Traditional Footings
All New:
Traditional footings
Hup! solid roof – shown with optional full-depth glazed panels
Hup! side wall panels
Windows
Doors
View some of our completed Paxtons Hup! projects…






Our simple Hup! workflow keeps quality high…
DESIGN
The Hup! building system offers a huge range of design choices and finishing options
SURVEY
Our experienced team will survey your home and conservatory and prepare your hup! for manufacture
MANUFACTURE
All Hup! sections are produced off-site to precise standards and delivered ready to install
INSTALLATION
The modular design of Hup! sections ensures fast and accurate installation by our team – every time!
Reasons to choose hup! from Paxtons…
PROJECT MANAGED
A project manager is responsible for each installation. They are your go-to person throughout
SPEED
Speed of installation sets Hup! apart from traditional building methods – completed in weeks not months!
INSULATION
Your new Hup! home improvement will be five times more energy efficient than the average UK home!
ONE SUPPLIER
Paxtons will take care of everything involved with your new Hup! including plumbing, heating and electrics
Hup! – the space you need fast
Our Hup! modular building system allows us to complete your new extension much quicker than traditional building methods. And, off-site manufacture means that the quality of construction is always maintained. Best of all, building work is possible in almost all weather conditions – keeping disruption to your home life to a minimum!
The following picture feature shows the typical timings for the construction of one of our hup! extensions. We’ve also included the planning process and new base construction which are optional services.
For a new extension constructed on an existing conservatory base our team would expect to be with you for just 3 weeks!
Hup! – fast build in almost any weather
Week 1 – Installation of modular wall and roof panels – construction watertight
Week 2 – Install windows, doors and rooflights. Plaster walls and ceiling. Electrics.
Week 3 – External finishes, final clean and tidy – Completed hup!
All Hup! extensions and conservatory upgrades are covered by comprehensive insurance backed Independent Network guarantees, for complete peace of mind.
Optional services
Planning Application (Full and Lawful Development) – Home survey, plan drawing, application
New Base (if required) – Create new footings and base to Building Standard (7–10 days)
Contact our designers to create the perfect hup! for your home
Consult our designers
Our experienced team of consultants and designers can guide you through the options if you are replacing windows and doors, remodelling your home or are interested in other home improvements offered by Paxtons. Use the link to arrange a telephone discussion.
Hup! Technology
The Hup! wall and roof sections use the latest building materials and manufacturing methods to create highly insulated home extensions. The modular system means that the care taken in the factory during manufacture is carried right through the installation process, ensuring consistent high quality and guaranteed performance.


“hup! is an absolute game changer”
Laura Jane Clark
Leading architect & star of BBC’s Your Home Made Perfect
“People often ask how they can add an extension or rebuild their unusable conservatory in the most efficient way possible – hup! is definitely the answer. Basework is usually the biggest minefield and the biggest headache for homeowners, so having something where you can use the existing base, and don’t need to start digging down and just build, getting watertight in two or three days, it’s an absolute game changer.”
A few kind words from our customers...
Testimonials were independently collected during Monthly Customer Satisfaction Surveys of Paxtons's Customers carried out by Independent Network.
“hup! is an absolute game changer”
Laura Jane Clark
Leading architect & star of BBC’s Your Home Made Perfect
“People often ask how they can add an extension or rebuild their unusable conservatory in the most efficient way possible – hup! is definitely the answer. Basework is usually the biggest minefield and the biggest headache for homeowners, so having something where you can use the existing base, and don’t need to start digging down and just build, getting watertight in two or three days, it’s an absolute game changer.”
“hup! is an absolute game changer”
Laura Jane Clark
Leading architect & star of BBC’s Your Home Made Perfect
“People often ask how they can add an extension or rebuild their unusable conservatory in the most efficient way possible – hup! is definitely the answer. Basework is usually the biggest minefield and the biggest headache for homeowners, so having something where you can use the existing base, and don’t need to start digging down and just build, getting watertight in two or three days, it’s an absolute game changer.”
Purely Planning
Purely Planning works exclusively for Paxtons Home Improvements preparing plans, planning applications, permitted development submissions and change of window type applications for improvements carried out by the company.
Meet hup! and manufacturer Ultraframe...

hup!
hup! delivers ultra-fast, highly energy efficient home extensions and conservatory conversions – with minimal mess, maximum design flexibility, and superior comfort.

Ultraframe
Ultraframe delivers high-performance conservatory roofs, replacements, and house extensions with Livinroof and Ultraroof – stylish, thermally efficient, year-round living solutions.
Contact our team…
For more information about the Paxtons Hup! System visit our Saffron Walden showroom, use the ENQUIRE button below to arrange a consultation with one of our designers or call 01799 527542 for more details.
Download a brochure
Complete service
Paxtons is a family owned and run company that understands the importance of good customer service. Our hard-earned reputation for quality, service and value is something we are very proud of and work hard to maintain.

Advice and quotation
At Paxtons we employ consultants with many years experience in home improvements so you'll benefit from the best advice and choice of products. And our comprehensive quotations provide full product descriptions, clear pricing and ordering instructions.

Survey and supply
On acceptance of the quotation, our surveyor will visit your home to confirm dimensions, run through the scope of the improvement and assess access and services for our installation teams. When everything is agreed, we will start the manufacturing process.

Expert installation
Every home improvement ordered from Paxtons is overseen by one of our project managers and is installed by our own FENSA approved installation teams. And the final installation is covered by our Independent Network insurance-backed guarantees.
Peace of mind...
Paxtons was established in 1992 and is still run by the same family. The company enjoys an excellent reputation both locally and throughout the home improvement industry. As members of FENSA and the Independent Network all home improvement installations are covered by a deposit and stage payment protection scheme and insurance-backed guarantees.
Independent Network
Paxtons is a member of Independent Network, powered by VEKA, which provides a complete portfolio of consumer protections for our customers.
Guarantees
All home improvements supplied and installed by Paxtons include an insurance-backed guarantee. For more details visit our Guarantee page.
FENSA
FENSA is a government-authorised scheme that monitors building regulation compliance. All Paxtons's installations meet the rigorous standards demanded by the scheme.

