Installer Support
32 | APRIL 2026
Installer Support
Analysis of the most recent 1 MILLION items quoted on Tommy Trinder by over 700 of the UK’ s leading window installers.
5 %
Analysis of the most recent 1 MILLION items quoted on Tommy Trinder by over 700 of the UK’ s leading window installers.
5 %
... of all windows & doors installed in the UK are TIMBER... of all windows & doors installed in the UK are TIMBER
< 1 % 1 %
< 1 % 2 %
5 %
2 %
1 %
TIMBER MARKET SHARE BY REGION
Timber’ s market share varies greatly
TIMBER MARKET by region with SHARE hotspots BY REGION in London and the east of Timber’ s market
5 %
England. share varies greatly by region Market with share by value based on analysis of hotspots in 1 London
MILLION items quoted on Tommy Trinder by and the east over 700
of of the UK’ s
England leading. window
6 %
1 %
4 %
5 %
Market share by value based on analysis of
1 MILLION items quoted on Tommy Trinder by over 700 of the UK’ s leading window installers.
5 %
4 %
8 %
8 % installers.
19 %
MARKET SHARE TREND
BY VALUE(£)
MARKET SHARE TREND
BY VALUE(£)
6 %
2022
6 %
2022
8 %
8 %
2023
7 %
46
2023
%
2024
Casements
41 % © TommyTrinder. Com Ltd 2026
7 %
2024
46 %
Casements
41 %
9 %
2025
Sash Windows
Sash Windows
9 %
2025
13
MIX
%
Doors
13 %
Doors
PRODUCT
PRODUCT MIX
TIMBER
1 % accounts for
9 %
TIMBER of the market accounts for BY VALUE(£)
9 % of the market BY VALUE(£)
# SellMoreWindows
PVC- 61 % ALI- 30 %
PVC- 61 % ALI- 30 %
97 %
6 % of products are PAINTED
97 % of products are PAINTED
ONLY
ONLY
3 %
19 %
Of products are STAINED
Of products
tommytrinder. com