High Quality Glass & Aluminium Secondary Glazing
- Sleek and unobtrusive design
- Reduce external noise by up to 80%
- Increase building security
- Improve thermal efficiency by up to 65%
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Free quote within 1 working day — no obligation, no pushy sales calls.
What is Secondary Glazing?
Secondary glazing is a second custom-made window, attached to the inside of your existing window — creating a double glazed effect without damaging or changing your original frames. It's discreet, complements any property style, and is ideal for both residential and commercial buildings across South Yorkshire.
What makes us unique?
- Lab-accredited thermal and acoustic insulation
- Durable, long-lasting aluminium frames
- Toughened safety glass as standard
- Patented seals for superior performance
- Manufactured in the UK
- Leading secondary glazing specialists
Trusted by homeowners & businesses across South Yorkshire
Residential
Period homes, sash windows, conservation areas and modern builds — keep your character and add quiet, warmth and security.
Commercial
Offices, hotels, schools, healthcare and listed commercial buildings. Bulk pricing, project management and out-of-hours installation.
Which of our secondary glazing products suits you?
Every product is custom-made in the UK and available in 200+ RAL colours.
Horizontal Sliders
Our most popular product — multifunctional and suitable for almost any building.
View Horizontal Sliders details
Vertical Sliders
Sophisticated weighted system designed for sash windows — effortless to operate.
View Vertical Sliders details
Hinged Casement
From heavy-duty to slim-line — our most secure secondary glazing range.
View Hinged Casement details
Lift Out Windows
Cost-effective option to match any size, shape and opening.
View Lift Out Windows details
Vision Range
Arches, circles & bespoke shapes — perfect fit for period properties.
View Vision Range detailsRetain your building's character. Upgrade its performance.
Many South Yorkshire properties have windows 100 years old or more. Secondary glazing lets you keep them — saving cost, preventing landfill and preserving charm — while delivering modern thermal, acoustic and security performance.
Energy Efficiency
Up to 65% increase in thermal performance — slash heating bills and reduce emissions.
Noise Reduction
Cut external noise by up to 80% — perfect near busy roads, railways or city centres.
Added Security
Extra physical barrier with optional security locks and laminated glass options.
Less Condensation
Effective internal seal balances ventilation and stops cold-glass condensation.
Serving South Yorkshire & North Derbyshire
From listed cottages in the Peak District to commercial buildings in Sheffield city centre — we cover it all.
Secondary Glazing FAQs
Still unsure? Arrange a call-back.
Call our South Yorkshire team on 0114 327 3433 or request a free no-obligation quote — we'll respond within one working day.