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52 %
48 %
52 % 48 %
Read online at www. proinstaller. co. uk
tommytrinder. com
OCTOBER 2025 | 11
News
Analysis of the most recent 900,000 items quoted on Tommy Trinder by 650 of the UK’ s leading window installers.
Analysis of the most recent 900,000 items quoted on Tommy Trinder by 650 of the UK’ s leading window installers.
BIFOLDS VS SLIDERS
Bifolds and sliders virtually neck and neck for market share. the UK are
ALUMINIUM... of all items installed in... But ALUMINIUM the UK are accounts for ALUMINIUM
30 %
... But ALUMINIUM accounts for of the market
BY VALUE
30 %
of the market BY VALUE
TREND
15 %
... of all items installed in
15 %
2022
Aluminium 30 %
TREND 2023
2022
25 % Aluminium 30 %
2024 2023
Timber 6 %
2024
9 % 25 %
PVCu 64 %
5 %
Timber 6 %
9 % 12 %
PVCu 64 %
ALUMINIUM MARKET SHARE BY REGION
( VALUE £)
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tommytrinder Aluminium
. com
: Stronger in the South and
ALUMINIUM East MARKET of the country. 5 %
SHARE BY Weak REGION in Scotland
( VALUE £)
& Wales.
Aluminium: Stronger in the South and
East of
10 12 the % country. Weak in Scotland
& Wales.
12 % 10 12 %
28 %
28 % 39 %
39 %
32 15 %
DO YOU 43 SELL % ALUMINIUM?
87 %
... of all installers sell
DO YOU SELL aluminium ALUMINIUM. Up from?
78 %. 1 year ago
87 %
Aluminium market share by value(£) based on analysis of the last 900,000
32 15 % items quoted on Tommy Trinder by 650 window firms.
... of all installers sell aluminium. Up from 78 %. 1 year ago
ON TREND- STEEL LOOK
Aluminium market share by value(£) based on analysis of the last 900,000 items quoted on Tommy Trinder by 650 window firms.
43 % 45 %
45 %
BIFOLDS VS SLIDERS
Bifolds and sliders virtually neck and neck for market share.
ON TREND- STEEL LOOK
52 %
BIFOLDS
( VALUE £)
48 %
SLIDERS
24 % of aluminium entrance doors are‘ steel look’ profile
52 % 48 %