Transform your home in days with hup! modular extensions
Up to 5× faster to build and up to 5× more energy-efficient — designed by Ultraframe, installed locally by Bennbrook.
Why hup!?
hup! is a smarter way to add space — precision-made components assemble quickly on site, keeping your project clean, tidy and on schedule.
Up to 5× Faster to Build
Get watertight in 2–3 days with rapid connection technology
Up to 5× More Energy Efficient
Warmer winters, cooler summers and lower bills
High-quality finish, every time
Precision-made for a consistent high-quality finish
Lower disruption & cleaner build
Build in any weather with minimal mess
Perfect For Any Project
Whether you're transforming an existing space or building from scratch, hup! delivers exceptional results.
hup! Conservatories
Beautiful, bright conservatories that add stunning living space to your home. Designed and installed by Bennbrook with hup! precision-made modular components for year-round comfort.
- Year-round comfort with superior insulation
- Energy efficient glazing options
- Range of traditional & contemporary styles
- Quick 2-3 day watertight installation
How It Works
From design to completion, we make the process simple and stress-free.
Design & Survey
Local survey and professional design consultation to create your perfect space
Precision Manufacturing
Made-to-measure components manufactured with advanced software for perfect quality
Rapid Assembly
2–3 day watertight shell installation with minimal disruption
Finishing & Sign-off
Professional finishing touches and building regulations sign-off
Design Flexibility
Create a space that's uniquely yours with extensive customization options
Roof Systems
- Vaulted ceiling options
- Flat ceiling designs
- Multiple Ultraframe roof systems
- Rooflight placement options
Finishes & Features
- Brick, render, or cedar wall finishes
- Windows and doors placed anywhere
- Bi-fold or sliding door options
- Custom color choices
Trusted Locally Since 2003
Installed by Bennbrook — serving Harlow & Essex since 2003
Building Regs Compliant
Full building regulations approval handled for complete compliance
10-Year Guarantee
Insurance-backed guarantee for complete peace of mind
Free Home Surveys
We come to you — no showroom visit needed, just expert advice at your home
Service Areas
We proudly serve homeowners across Harlow, Essex, Hertfordshire, East London, and North London with professional hup! installations.
Sustainable Building
hup! is designed with sustainability in mind
Lower Carbon
Lower embodied carbon vs traditional brick construction
Zero Waste
Precision manufacturing means zero-waste production
Reusable Base
Potential to reuse existing foundations
Project Gallery
See real hup! extensions installed by Bennbrook across Essex & Herts
Modern kitchen extension with seamless indoor-outdoor living
Frequently Asked Questions
Everything you need to know about hup! modular extensions
Ready to Transform Your Home?
Get a beautiful new living space in weeks, not months — professionally installed by Bennbrook across Essex & Herts.