Vant Glass Journal
Practical guides, design inspiration and product know-how for roof lights, roof lanterns and walk-on glazing — written by the team that manufactures them in Britain.
Guide8 September 2026 · 4 min read
Walk-on roof light prices are driven by size, thermal build, frameless or framed, glass finish and the number of panels. Here is how each one moves the figure, and how to get an instant price for your own opening.
Guide6 September 2026 · 4 min read
Walk-on roof lights are made to measure up to 1320 × 2820 mm as a single panel. This guide explains why span sets the limit, how to glaze larger openings with multiple panels, and how to plan the supporting structure.
Guide4 September 2026 · 3 min read
Walk-on roof lights are available with clear, opaque or anti-slip glass. This guide explains what each finish does for daylight, privacy and grip, and where each one belongs.
Guide2 September 2026 · 4 min read
Walk-on roof lights come in a non-thermal 33 mm laminated build for internal glass floors and a thermally broken build with an argon cavity for external roofs. Here is how to choose, and what you gain by getting it right.
Guide31 August 2026 · 5 min read
A practical guide to ordering a made-to-measure walk-on roof light: which dimension to give, how the glass relates to your opening and upstand, and the checks that avoid a costly remake.
Guide10 August 2026 · 2 min read
For most UK homes the answer is no — permitted development covers it. Here are the actual rules, the exceptions that catch people, and how bespoke sizing helps.
Guide8 August 2026 · 2 min read
What actually drives the price of a made-to-measure roof light — size, glazing, glass options and range — and how to compare quotes without being misled.
Blog7 August 2026 · 2 min read
The daylight question every extension design has to answer. Drama versus rhythm, structure versus budget — and how bespoke sizing changes the maths.
Guide5 August 2026 · 2 min read
The question everyone asks before standing on glass. What makes structural glazing structural, and what a walk-on unit is — and is not — designed to carry.
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