Timber - PVC - Aluminium - Windows, Doors & Conservatories in Hampshire
Comparing Local Conservatory Companies
Comparing Local Conservatory Companies
Planning a home extension can feel overwhelming. Months of disruption, unpredictable costs, and delays from weather or tradesmen are common with traditional builds. That’s exactly why more homeowners are turning to the hup! system.
Naturally, if you are planning an extension, you likely want it built quickly, with maximum floor space and exceptional energy efficiency. Furthermore, reading modern hup building system reviews reveals a massive shift in how homeowners are approaching property expansion. Ultimately, the hup! extension system is the modern alternative to traditional brickwork. Built up to five times faster, it specifically uses high-performance Ultrapanels to deliver a 60% lower carbon footprint and thinner walls, giving you significantly more usable space inside your home.
The hup! System
Speed: Built efficiently in a matter of days.
Efficiency: High-performance Ultrapanels offer a 60% lower carbon footprint and thinner walls for a noticeably larger interior floor area.
Management: One dedicated, fully-trained team handles absolutely everything.
Traditional Brick
Speed: Takes several months; heavily delayed by bad weather.
Efficiency: Requires thick masonry to meet insulation standards, which unfortunately eats into valuable internal floor space.
Management: Requires coordinating multiple, completely separate tradesmen.
Table of Contents
1. Unmatched Build Speed: 5x Faster
Undoubtedly, traditional extensions are notorious for extensive delays. For instance, a project originally quoted for six weeks can easily stretch into six months due to bad weather, supply chain issues, or simply waiting for different tradesmen (such as bricklayers, plasterers, and electricians) to become available.
Conversely, the hup! system completely eliminates these frustrating headaches. Because it is precision-engineered off-site in a dry factory environment, the vital components arrive at your home completely ready to assemble. Furthermore, the high-tech Ultrapanels utilise seamless clip-fit connections and require absolutely no cement or mortar to dry. Consequently, a hup! extension can be actively built in almost any weather. This innovative approach allows our installation teams to easily construct the watertight shell in a matter of days—up to five times faster than a standard brick build.
2. What a hup! Build Actually Looks Like
Seeing is genuinely believing. Therefore, to make our rapid speed claims completely transparent, here is the exact step-by-step timeline of a typical local installation:
3. Interactive: Build Strategy Analyser
Are you currently deciding between a traditional brick build or a modern lightweight system? Use our interactive analyser below to instantly discover which construction method suits your specific property needs.
4. Maximising Your Internal Floor Area
When you extend your property, you are ultimately paying for space. However, one of the major, often hidden, drawbacks of modern brick extensions is the sheer physical thickness of the cavity walls required to meet current UK Building Regulations. Sadly, this thick masonry actively eats into your valuable internal footprint.
Because hup! Ultrapanels are heavily engineered with advanced, built-in insulation, they consistently offer superior thermal performance in a much slimmer structural profile. Therefore, the exterior walls are significantly thinner than brick, allowing you to officially achieve a larger internal floor area within the exact same external planning dimensions. Whether you are adding a home office, a dining room, or a bright kitchen extension, you simply get more room for your money.
5. How Much Does a hup! Extension Cost?
Cost transparency is absolutely vital for any homeowner contemplating a massive renovation. If you are extensively researching how much does a hup extension cost per square metre, you must look carefully at the overall project dynamics. While the high-tech Ultrapanels themselves are undoubtedly a premium product, a fully finished hup! extension often works out highly competitive—and sometimes significantly cheaper—than a traditional build.
While every single architectural project is unique, here is a highly accurate general guide to expected prices in 2026:
- Conservatory Upgrade: £15,000 – £30,000 (Perfect for converting an old glass box into a solid, usable room).
- Small Extension: £30,000 – £50,000 (Ideal for a new home office or extended dining area).
- Large Extension: £50,000+ (Required for massive, open-plan kitchen extensions).
Because the components are pre-engineered, your quoted price remains completely fixed. Consequently, you actively avoid the terrifying, spiralling costs frequently associated with unpredictable traditional brickwork.
6. See How It Works
Watch the proprietary system in action below to see exactly how quickly a watertight shell can be constructed on your property.
7. Traditional Brick Extension vs hup!: At a Glance
When directly comparing a traditional brick extension vs hup, the physical differences in the modern construction method become immediately apparent.
| Feature | hup! System | Traditional Brick Build |
|---|---|---|
| Build Speed | Up to 5x faster (Days/Weeks) | Slow (Often stretches into many months) |
| Carbon Footprint | 60% more efficient | High environmental impact |
| Internal Space | Maximised (Due to thinner walls) | Reduced by thick, heavy masonry |
| Thermal Insulation | 0.12 – 0.17 W/m²K (Exceptional) | 0.18 – 0.25 W/m²K (Standard) |
| Weather Dependency | Built in any weather | Highly prone to frustrating rain delays |
At KJM Group, we proudly install cutting-edge hup! extensions across Hampshire, Andover, Basingstoke, Winchester, and the surrounding areas. See exactly how we are transforming homes near you by checking out our dedicated installation pages for hup! in Basingstoke and hup! in Winchester.
8. Frequently Asked Questions
Yes, absolutely. As long as you choose a fully approved, highly accredited system like hup!, securing a mortgage or remortgage is straightforward. Specifically, the hup! system holds full BBA accreditation and is pre-approved for Building Regulation compliance, making it widely recognised and trusted by major UK lenders.
Your new hup! extension is just as robust and long-lasting as a traditional brick build. In fact, the highly engineered walls and roofs have been officially given the maximum life expectancy by the BBA of 60+ years, offering you complete peace of mind for decades to come.
Many hup! extensions successfully fall under Permitted Development rights, meaning you may not formally need full planning permission. However, this heavily depends on the size and exact location of your property. Our designers will confidently guide you through all local building regulations. For more official guidance, we recommend checking the UK Government Planning Portal Gov.uk.
Yes, unequivocally. Because hup! walls are inherently lightweight yet incredibly strong, they are the absolute perfect solution for upgrading an old polycarbonate conservatory. We can frequently retain your existing concrete base, build new highly-insulated walls, and top it effortlessly with a modern solid or glass roof.
📚 The Transparency Hub
We believe an educated customer makes the best decisions. Explore our transparent buying guides below:
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