
The latest Plumbing & Heating Merchant Index (PHMI) report, published in May, shows like-for-like Q1 2026 value sales, adjusted to remove the impact of trading days, were -0.1% lower than the same period in 2025. Like-for-like volume sales decreased by -4.3%.
With no difference in trading days, unadjusted total value sales were down -0.1%. Unadjusted volume sales were -4.3% lower but prices were +4.4% up.
Month-on-month, March like-for-like value sales were -0.6% lower than February, with volume sales down -1.8%. With two additional trading days in March, unadjusted value sales increased +9.3%. Unadjusted volumes increased +8.0% and prices also went up +1.2%.
Like-for-like value sales for the 12-month period April 2025 to March 2026 were up +1.7%, compared to the same period a year before (April 2024 to March 2025). Like-for-like volume sales were down -2.7% while prices were +4.5% up.
Image: PHMI