Aluminum has moved from upmarket niche to the mainstream. Installer participation is still growing, but intense competition is squeezing prices and driving further consolidation.

• Aluminium accounts for 30% of the market by value
• 75% of installers now sell aluminium
• Bifolds and sliders are neck and neck at 50:50
• 22% of aluminium entrance doors use a steel-look profile

PVCu remains the dominant window material in the UK. Smooth white continues to lead, but colour, foils, flush casements and other premium features are now essential parts of a competitive PVCu offer.

• 79% of all items installed in the UK are PVCu
• PVCu accounts for 61% of the market by value
• 35% of PVCu windows are foiled
• 16% of PVCu windows are flush sash

Timber remains a relatively small part of the overall market, but the outlook for high-quality wood windows and doors is stronger than it has been for decades. Greater competition is encouraging firms to specialise, while improved products, manufacturing systems and more effective marketing are helping timber reach premium homeowners.

• Timber accounts for 9% of the market by value
• Timber represents 5% of all windows and doors installed
• 72% of timber products are painted
• The product mix is 46% casements, 41% sash windows and 13% doors

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