Why hup! from Ultraframe?
Hup! is changing the game when it comes to building extensions and conservatories. By using advanced energy-efficient Ultrapanels instead of traditional brick walls and timber roofs, your new space can be built in a fraction of the time. These clever panels make hup! extensions up to five times more energy efficient than the average UK home. And even with all that glass, your hup! build will feel warmer and cosier than the rest of your house.
Perfect for brand-new extensions, stylish conservatories, and stunning conservatory makeovers, hup! does it all.


hup! Transformations
Give your conservatory the makeover it deserves with hup! Upgrade to a sleek, modern living space you’ll love spending time in.

hup! Conservatories
Let the light pour in with a hup! conservatory. Enjoy a bright, airy space without losing warmth. Our insulated wall panels keep things comfortable all year round.

hup! Home Extensions
Extending your home has never been easier. With hup!, it’s faster, smarter, and far less hassle than a traditional build.
hup! a better way to build
Meet the next generation of home extensions and conservatories. Hup! combines stunning glazing to fill your home with natural light while keeping it warm and energy efficient. It’s built faster, with less mess and minimal disruption, taking the stress out of your project.
The hup! system from Ultraframe is designed for ultimate flexibility, working beautifully with any windows, doors, and wall finishes you choose. Super-efficient, super-quick, and stylish – that’s hup!

hup!
Features & benefits
Five times more energy efficient than the average UK home
Hup! makes it easier to stay warm without the worry. Its high-performance glass and ultra-low U-values deliver exceptional thermal efficiency, helping you save on bills while enjoying a brighter, more comfortable space.
One supplier, one project
Building your new space couldn’t be easier with hup! One expert team manages everything from start to finish, no architect required. Your dedicated hup! designer will help you visualise your perfect space and provide a fixed quote, so you can enjoy complete peace of mind. On time, on budget, and absolutely stress-free.
Five times faster to build
Why wait weeks when you can have your new space in just days? Hup! is designed for speed and simplicity, with a flat-packed system that goes up in any weather – no delays, no drama. Your dedicated team will handle every stage, ensuring a flawless finish with minimal mess and disruption to your home life.
Complete design flexibility
With hup!, the possibilities are endless. Fill your space with natural light and choose a sleek pitched roof or a contemporary flat roof with rooflights. Add stunning sliding doors to bring the outdoors in or frame your view with statement windows. Whatever your style, hup! gives you the freedom to create a space that’s truly yours.
High quality finish, every time
With hup!, exceptional quality comes as standard. Designed by Ultraframe, the UK’s leading name in extensions and roofing, every hup! build is crafted in a BBA-approved factory in Lancashire. Each extension uses patented Ultrapanel technology, tested and approved for a lifespan of at least 60 years. Built to last and finished to perfection.
Give your conservatory a new lease of life with hup!
Got big plans for your tired conservatory? We’ve got just the solution – a hup! conversion. Until now, your options were limited to replacing the roof or upgrading windows and doors. But hup! changes everything. You can rebuild your entire conservatory and transform it into a spacious, stylish extension, all within a week.
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Conservatories
Flood your home with stunning natural light thanks to hup! where high-performance glazing doesn’t just look amazing, it also boosts your home’s energy efficiency. Our glazing adds warmth in the winter, keeps your space cool in summer, and protects your furniture from fading in direct sunlight.
Every hup! conservatory is built using materials that meet the latest Building Regulations for extensions. With features like an insulated internal pelmet, high-performance glazing, and super-insulated walls, hup! delivers energy efficiency that rivals any modern extension. So, why wait? Turn that underused space into your dream living area with hup! and Pennine.

Extensions
Starting a new extension project can feel overwhelming, such as figuring out who to contact and when, from architects to surveyors. But with a hup! build from Pennine, all that stress disappears. Your project is fully managed from start to finish, from the initial drawings right through to installation.
Our expert team will bring your designs to life using the hup! software, then all that’s left is to place your order and watch your new hup! extension come together in just weeks. With hup!, it couldn’t be simpler: one dedicated team, zero stress, delivered on time and on budget.

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hup! technology explained
We use Ultrapanel technology in the walls and roofs of hup! extensions. This advanced system is unique and exclusive to hup!.
Ultraframe hup!
key facts & benefits...
“hup! is the most modern rapid-build system designed to speed up construction for house extensions, conservatories, garden rooms, and conservatory transformations. Its reliable process removes worries about delays or budget overruns, while the offsite factory manufacturing means less mess and far less disruption to your home.”
Fast, Simple, Stress-Free
Say goodbye to the usual headaches of construction with a hup! extension. Installed by one expert team and with minimal cutting or drilling on-site, the process is quick and hassle-free.
More Space, More Comfort
hup! uses robust SIP walls that are 27% thinner than traditional brick and block — without compromising strength. This clever design means your hup! extension gives you up to 15% more usable floor space, along with superior insulation.
Fully Building Regulation Compliant
With a U-value of just 0.17W/m²K, hup! meets current Building Regulations with ease. It’s also pre-approved for use in conservatories, extensions, and conservatory transformations by a range of building inspectors, complete with fixed pricing for hup! projects.
Stronger than traditional builds
hup! walls outperform standard brick and block, delivering 68% more lateral impact resistance. This strength has been independently tested and certified by the globally recognised Steel Construction Institute (SCI).
Built whatever the weather
Unlike traditional builds, hup! has no weather-related delays. Your project stays on track all year round, with our team working through every season to deliver on time.
Reliable timelines you can trust
No weather hold-ups mean accurate schedules you can rely on. Plan your home life with confidence, knowing your hup! build will be completed with minimal disruption.
Four stylish roof options
Choose from four versatile roof designs in almost any size. Pair with wall finishes such as render, brick slips, or cladding, and customise with any window and door combination. Ultimate flexibility, your way.
Watertight in record time
Pre-manufactured components mean we can assemble your walls and roof at lightning speed. Your extension is secure and watertight within days, ready for the finishing touches.
Smart electrical integration
Our exclusive Ultraframe cable management system makes installing electrical cables and services quick and tidy, fitted seamlessly within the insulated SIP panels.
Proven & BBA approved
The Ultrapanel SIP technology behind hup! has been rigorously assessed by the British Board of Agrément (BBA) for thermal efficiency, structural integrity, condensation resistance, durability, and fire safety. Total peace of mind, guaranteed.
NHBC backed assurance
The UK’s leading new-build warranty provider, NHBC, offers a 20-year warranty on homes built with Ultrapanel technology – the same system used in every hup! extension. Reliability you can trust.
Personalise your design
Create a living area that’s yours with a choice of internal layouts, five roof styles, and a variety of wall finishes to suit your taste and lifestyle.