hup! Home extensions in Hailsham, Heathfield, Tunbridge Wells & Crowborough

Create More Space with hup! Home extensions by County

Thinking about extending your home in East Sussex? hup! home extensions are the modern, efficient alternative to brick builds—offering speed, quality, and energy efficiency in one smart package.

Start your free quote

How the hup! home extension system works

 Using Ultraframe’s innovative panel technology, hup! home extensions are fabricated to size and assembled on site quickly. The result is a robust, stylish home extension with minimal disruption to your home.

Explore hup! technology

Why choose hup!

Build up to 5x Faster

What would take months to build with traditional building methods will take weeks with hup!.

Learn more

Customised Designs – kitchens, living rooms, playrooms & more

Place windows and doors anywhere in your design and get your dream hup! extension manufactured to your exact requirements.

Learn more

Save on Heating Bills with Superb Insulation

Thanks to superior insulation hup! is five times more energy efficient than the average UK home helping to keep your heating bills low.

Learn more

Designed & Certified to Last

Advanced manufacturing software means that every hup! fits together quickly and easily, every time, assuring you of a perfect build.

Learn more

One dedicated supplier to your project

We'll take care of the whole project, and thanks to our advanced design software, there is no need for costly architects or structural engineers.

Learn more

Improves carbon efficiency by 60%

hup! is the sustainable way to extend your home. 60% more carbon efficient than a brick wall and zero waste in production and on site.

Learn more

Your Home, Your Way

From large open-plan kitchens to light-filled garden rooms, hup! home extensions by County are tailored to suit your family’s needs.

We install hup! home extensions across Hailsham, Heathfield, Tunbridge Wells and Crowborough—helping homeowners expand with ease.

Serving Local Homes with Care
Logo

"hup! is an absolute game changer"

Laura Jane Clark

Leading architect & star of BBC's Your Home Made Perfect, hup! brand ambassador

People often ask how they can add an extension or rebuild their unusable conservatory in the most efficient way possible - hupl! 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.

Request a free quote

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

We are proud to be part of the hup! Partner Network.

Update Cookie Preferences