uPVC windows are low-maintenance, energy-efficient window frames made from unplasticised polyvinyl chloride, designed to resist rot, corrosion, and weathering.
Older single-pane or aged double-glazed windows often allow significant heat loss, so upgrading to modern, thermally efficient glazing with aluminium frames stops heat escaping during winter and keeps your home cooler in the summer. This directly helps in reducing your energy consumption and lowering monthly heating costs.
What’s more, windows that are sticking, warping, or have faulty locking mechanisms pose a real security risk. In older timber frames, wood rot or swelling can prevent the window from shutting properly (not to mention the dreaded regular painting required…). New, modern uPVC windows from KRB feature robust multi-point locks that make forced entry incredibly difficult and provide a reliable fire escape route in an emergency.
uPVC windows are one of the most cost-effective ways you can improve and protect your home. The material and construction methods have come a long way since the early days 50 or so years ago, and they come in a wide range of styles and colours. uPVC windows won’t warp, rot, leak, or corrode, are hugely thermally efficient, easy to maintain, and can be fitted by our own staff in a matter of hours.
We are experts at window and door replacements, along with the complete build of garden rooms, extensions, verandas, sky rooms and conservatories. Let us know what you’re after and we will arrange a site visit at a convenient time for you, discuss your ideals and then give you a full, free, no-obligation quote for everything involved.
Got a question? Just ask – our advice is free.
uPVC windows are low-maintenance, energy-efficient window frames made from unplasticised polyvinyl chloride, designed to resist rot, corrosion, and weathering.
They offer excellent insulation, low maintenance, long life, and great value, making them one of the UK’s most popular window choices.
Quality uPVC windows typically last between 25 and 35 years with proper care.
Modern uPVC frames are UV resistant and retain their colour for many years with normal maintenance.
Yes. uPVC windows are available in many colours and woodgrain finishes.
Yes. Flush window styles and Woodgrain foils replicate timber without the upkeep.
No. They only require routine cleaning.
Clear, obscure, laminated, toughened, and acoustic glass are available.
uPVC requires less maintenance while offering excellent energy efficiency and durability.
UPVC Frames come with a guarantee of 10 years.
Consider energy efficiency, security, style, and budget. KRB expertise will help guide you.
PAS 24 is an enhanced UK security standard which ensures that external doors and windows resist physical attacks by opportunistic burglars. It features a pass-or-fail test system and helps satisfy Building Regs Part Q as well as the police-backed Secured by Design accreditation.
A U-value measures how well a building part (such as a door or window) lets heat pass through it, with lower numbers meaning better insulation. It is measured in Watts per square metre Kelvin (W/m2K).
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