BMBI May 2026 Infographic

Timber and joinery products down sharply in latest BMBI report

Timber and joinery products down sharply in latest BMBI report

The latest Builders Merchant Building Index (BMBI) report, published in July, shows May 2026’s total like-for-like value sales (adjusted to remove the effect of trading days) were essentially flat, -0.1% lower than May 2025. But like-for-like volume sales were down -5.8% year-on-year.

With one less trading day in May 2026, year-on-year unadjusted value sales were -5.1% lower.

Volumes were down -10.5% while prices increased +6.1%. By value, only two of the twelve categories sold more: Workwear and Safetywear (+7.5%) and Services (+3.3%).

Of the 10 categories selling less, Timber and Joinery was down -4.7%, and Heavy Building Materials fell-6.4%.

In the three months March to May 2026, like-for-like value sales were -1.6% lower than the same three months in 2025.

Like-for-like volume sales were down -5.9% but prices increased +4.5%. With no difference in trading days, unadjusted value sales were also -1.6% lower, with volumes down -5.9% and prices up +4.5%.

Of the two largest categories, Timber and Joinery Products (+0.2%) did better than Total Builders Merchants, while Heavy Building Materials (-3.3%) was the weakest category.

In the 12 months from June 2025 to May 2026, like-for-like value sales were down -1.2% compared to the previous 12-month period (June 2024 to May 2025).

With no difference in trading days, unadjusted value sales were also -1.2% lower, while volumes declined -3.2% and prices edged up +2.1%.

By value, seven categories sold more, with Renewables and Water Saving (+10.4%) out in front.

Of the two largest categories, Timber and Joinery Products grew +1.4% while Heavy Building Materials fell -3.4%.

In the year to date (January to May 2026), like-for-like value sales were -2.1% lower than the first five months of 2025. Like-for-like volume sales were down -6.8% and prices were up +5.0%.

With one less trading day in the most recent year, unadjusted value sales were down -3.1%.

Volumes fell -7.7% and prices increased +5.0%. Timber and Joinery Products (-0.2%) declined less than Total Builders Merchants, but Heavy Building Materials was down -5.6%, and the weakest category.

For the latest reports, Expert comments and Round Table Debates, visit www.bmbi.co.uk.

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