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The revolutionary conservatory & extension systems

The better way to build

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Ultimate Design Flexibility

hup! is compatible with five different roofing options and a variety of door, window and wall designs, giving you total control over your extension from start to finish.

Five Times Faster Turnaround

We can complete extensions or conservatories in significantly less time than conventional building methods. hup!’s rapid connection technology has revolutionised the building process and allows us to finish the project in record time.

Five Times More Energy Efficient

Enjoy lower energy bills and reduce your carbon footprint with the hup!’s innovative design. The excellent levels of thermal retention will keep your home warmer for years to come.

Superior Quality

hup! uses advanced design and manufacturing software and made-to-measure components for the perfect fit, every single time. hup! isn't just fast, it also offers exceptional quality.

One Product, One Project

Say goodbye to stressful days and messy installations. The hup! conservatory system only requires a single dedicated team, so you won't have to worry about multiple strangers working on your home.

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60% More Carbon Efficient

hup! is the ideal choice for the environmentally-conscious homeowner. It is 60% more carbon efficient than a standard brick wall, helping you to cut household emissions and live greener.

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Energy Efficient Conservatories

Get Your Designs

The typical hup! extension is five times more efficient than a comparable UK conservatory. We use the patented Ultrapanel Technology to maximise results. This innovative system combines timber and steel framing technology with exceptional insulation and can produce U-values as low as 0.12 W/m²K.

Get 3 FREE designs in 2 simple steps.

Find the perfect living space for your home with our user-friendly contact form. No matter what design you’re looking for, you can find the ideal designs for your home with our services.
Step 1

Select Your Favourite Designs

Select your favourite designs, send us a photo of the back of your home, and we’ll send you three personalised living spaces superimposed onto the pictures you send us.
Step 2

Choose Contact Method

We offer a variety of ways to get in touch with us for our living space designing services. Whether you prefer to message, email or call, you can choose the right method for you below.
Chat On WhatsApp
Request Callback
Submit Enquiry
Step 3

Enter Your Details

As you’ve selected to request a call or email, we’ll need some additional information from you to start the design process.
Final Step

Thank You! We’ll Be In Touch Shortly

Thank you for submitting your request. We look forward to working on your dream living space project with you.

What Happens Next?

Picking your favourite designs is just the start of your dream living space. Now that we’ve received your contact request and favourite designs, we’ll be in touch to assist you with our superimposed images. We look forward to hearing from you!

Why Choose Us?

Since 1982, we’ve developed a knack for high-quality work, with even higher quality customer service, so you’ll never need to worry when you’re with Britannia.

See Our Before & After

Want to see how we can transform your old conservatory? View our before and after photos here!
ISO 9001
Made in Britain
National Warranties
Sabik Marine

Available Online, Over The Phone or At Home

Whether it's online, over the phone or talking in person on-site, you're guaranteed a premium service with Perfecta Windows. Our dedicated team is always available to assist you whenever you require assistance.

Explore hup! in more detail

hup! technology explained

hup! is one of the most revolutionary extension systems on the market. Choose from our range of durable models and enjoy five times the energy efficiency, not to mention far faster installation times than traditional builds. Get in touch to kickstart your hup! project with Perfecta Windows.

hup! Conservatory Transformations

Transform and upgrade your old conservatory into a stunning hup! extension for your home.

hup! Extensions

Increase your property value and open up your living space with the help of our simple and fast hup! extension projects.

hup! Conservatories

Fill your home with natural light and dramatically improve your thermal insulation with a bespoke hup! conservatory.

hup! Garden Homes

Create a charming space you can enjoy either with guests or alone, with our delightful hup! garden homes.

Ultimate design flexibility

Interactive hup! Brochure

Happy Customers

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