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Modular Glass Extensions UK

Modular Glass Extensions: Bespoke Luxury with Precision Engineering

A smarter, more sustainable way to extend your home. Factory-built and installed in just days, with up to 80% less disruption. Designed to deliver stunning style with excellent thermal performance.

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Call us anytime on +447738237830

Price From

£30,000

Build Time

2-4 Weeks on-site

Disruption Reduction

Up to 80%

Guarantee

10 Years

From £30,000

What is a Modular Glass Extension?

A modular glass extension is an innovative building system, proudly manufactured in the UK, designed to create stunning, light-filled living spaces up to five times faster than traditional construction methods. It can be up to 60% more carbon efficient than standard brick walls, with zero production waste and minimal water usage on site.

At Clc Home, our modular glass extensions are individually designed and precision pre-engineered. Patented wall panels combining steel, timber, and high-performance insulation exceed Building Regulation standards. With slimmer profiles that allow more natural light and up to 15% additional floor space compared to traditional brick construction, each design feels brighter, more efficient, and truly bespoke.

Key Benefits

  • 80% less on-site disruption
  • Watertight in 2-3 days
  • Zero waste production
  • Can use existing bases
  • Factory-built quality
  • A++ energy rating
  • 60% more carbon efficient
  • 10-year comprehensive guarantee
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Modular Advantage

Why Choose Modular?

Precision engineering, factory quality, and dramatic reduction in on-site disruption.

Factory-Built Quality

Around 80% of construction is completed in a factory rather than at your home. This allows for systematic inspections, no weather delays, and a level of precision difficult to achieve with traditional on-site construction.

Rapid Installation

On-site construction typically takes 2–4 weeks, compared to 3–6 months for traditional builds. Module installation itself can be completed in as little as 1–3 days.

Super-Insulated

Patented panels combining steel, timber, and high-performance insulation exceed Building Regulation standards. With an A++ thermal rating, they keep spaces warm in winter and cool in summer.

Bespoke Design

Individually designed with choice of roof options, window placements, and finishes – oak, aluminium, timber, or uPVC.

The Modular Difference

Less Disruption, More Time to Enjoy Your Space

No need to coordinate architects, builders, or multiple trades. Our team manages the entire process for you.

Style & Flexibility

  • Classic oak or aluminium
  • Hardwood timber or uPVC
  • Slimmer wall profiles

Function & Comfort

  • All-year usability
  • Low energy bills
  • Built on existing bases

Expert Guidance

  • No external architect needed
  • Full cornerav opening
  • Complete project management

Expert Answers

Modular Glass Extension FAQs UK

Common questions about modular glass extension costs, timing and installation in the UK.

A modular glass extension typically ranges from £30,000 to £80,000+, depending on size, specification, and complexity. Clc Home offers premium modular extensions from £30,000, fully installed with building control approval and a 10-year guarantee.
Total project timeline is typically 16-24 weeks from initial enquiry to completion. Design and planning (8-12 weeks), factory manufacturing (4-8 weeks), and on-site work (2-4 weeks). On-site disruption is reduced by up to 80% compared to traditional builds.
Yes. Our modular extensions feature patented wall panels with super-insulation, exceeding Building Regulations for thermal performance. They achieve A++ energy ratings and are comfortable year‑round.
Planning requirements are the same as for traditional extensions. Many modular glass extensions fall under Permitted Development Rights, though restrictions apply in conservation areas and on listed buildings. Clc Home provides full planning guidance with every project.
Yes. Thanks to the lightweight structure, modular extensions can often be built on existing conservatory bases, saving both time and cost. We assess suitability during the initial survey.
The on-site phase of a modular build is typically 2-4 weeks compared to 3-6 months for a traditional build. That’s around 80% less time with builders on your property. Because most construction happens in a factory, you avoid the ongoing dust, noise, and intrusion of traditional builds.
 

Get Your Free Modular Extension Quote

Book a free home design consultation with our specialist team. We’ll discuss your vision, assess access requirements and provide a detailed quotation.

Talk to a Service Specialist
Request Free Brochure

Call us anytime on +447738237830