The engineered extension system built for modern Worcestershire homes

Structural insulated panels, precision-manufactured offsite and installed with clinical efficiency. This is not conventional building.

The hup! system uses high-performance structural insulated panels to construct extensions that are thermally superior, structurally precise and completed in a fraction of the time required by conventional methods.

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The engineered extension system built for modern Worcestershire homes
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How the hup! system works

The performance of any home extension is determined above all else by the quality of the system used to build it.

Surface finishes and glazing are visible and valuable. But it is the structural and thermal engineering beneath them that governs how the space actually performs across seasons and decades.

The hup! system uses a structural insulated panel, or SIP, platform. Each panel creates a composite element that is simultaneously load-bearing, thermally efficient and dimensionally precise.

How the hup! system works - Main image
How the hup! system works - Secondary image

Patented Ultrapanel technology

This technology combines the strength of timber and steel framing with excellent insulation performance.

With U-values between 0.12 and 0.17, significantly exceeding Building Regulation requirements, the hup! extension is five times more energy efficient than the average UK home.

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Patented Ultrapanel technology

Super-strong i-beam structure

The hup! wall panels are 68% stronger than a brick wall thanks to the collective force of the panels, which rapidly clip together to form a super-strong i-beam structure throughout your hup! extension.

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Super-strong i-beam structure

Rapid connection details

hup!'s precision-engineered system and patented wall and roof connections help deliver a highly accurate build with no cold spots.

Its rapid clip-fit design allows the roof and wall panels to connect seamlessly, enabling a hup! extension to be built five times faster than a traditional build.

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Rapid connection details

A measurably higher standard of thermal performance

For homeowners across Worcester, Malvern, Kidderminster and the wider Worcestershire area, the factory-engineered approach translates into a materially better on-site experience.

The SIP components are produced to precise tolerances, meaning the assembly process is faster, cleaner and requires fewer site operatives than a traditional build.

The insulated core achieves U-values considerably below current building regulation maximums, making a hup! extension in Worcestershire genuinely energy-efficient, not just compliant.

A measurably higher standard of thermal performance - Main image

Tried and tested by UK Housebuilders in Worcestershire

The Ultrapanel technology used in hup! has been adopted by leading UK housebuilders for the construction of new homes.

As all building materials used in new homes require NHBC approval for insurance purposes, hup! technology has been thoroughly assessed and accredited by both the BBA and the NHBC.

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Tried and tested by UK Housebuilders in Worcestershire
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