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Most Ordered Units

Best-selling glazing unitsFast turnaround

Not sure which glass to choose? These are the sealed units our customers order most — tried, tested and trusted across thousands of installations. A great starting point if you want proven performance at a sensible price.

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5 products

Safety & Security Double-Glazed Unit – Made to Measure
Safety & Security Double-Glazed Unit – Made to Measure
From £200.00
1wk 0
Low-E Argon IGU
Low-E Argon IGU
From £200.00
34wk
Double Glazed Unit – 1000 × 800 mm
Double Glazed Unit – 1000 × 800 mm
From £200.00
4wk 0
Single Cut Shape | Lead Time 4 weeks
Clear Double Glazed Unit - Standard (Commercial / Shopfront)
Clear Double Glazed Unit - Standard (Commercial / Shopfront)
From £200.00
4wk
Triple glazed insulated glass unit showing three panes, spacer bars and sealed cavities
28mm Triple Glazed Unit - Energy A+ Rated (Residential Replacement)
From £200.00
6wk 0
A+ rated 28mm triple glazing with low-E coating

About Most Ordered Units

Our most ordered glazing units feature double glazed sealed unit configurations with 4mm outer glass and Low-E coated inner panes. Popular specifications include 28mm overall thickness with 20mm spacer bar cavities, delivering proven thermal performance for residential and commercial applications across the UK.

These energy efficient units achieve U-values from 1.4 W/m²K when filled with argon gas and fitted with warm edge spacer technology. All units comply with BS EN 1279 standards for durability and thermal performance, with Low-E coating reducing heat loss by up to 30% compared to standard glazing configurations.

Every unit is made to measure using precision cutting and automated sealing systems. We guarantee 10-year thermal performance with fast UK delivery on these popular configurations, backed by comprehensive quality certification.

Frequently Asked Questions

  • What glass thickness combinations are most popular?
    4mm outer glass with 4mm Low-E coated inner glass is our most ordered specification, providing excellent durability and thermal performance for standard residential applications.
  • What U-value do these units achieve?
    Most ordered units achieve U-values between 1.4-1.6 W/m²K depending on spacer bar type and gas fill, all exceeding current UK Building Regulations requirements.
  • Do these include warm edge spacer bars as standard?
    Yes, our most popular configurations feature warm edge spacer technology with argon gas fill, reducing thermal bridging and condensation risk compared to standard aluminium spacers.
  • How quickly can you deliver standard sizes?
    Most ordered units in common sizes are manufactured within 3-5 working days, with next-day delivery available across mainland UK for urgent replacements.

Need Help Choosing the Right Glass?

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