The Plumbing & Heating Merchant Index
Latest Monthly Overview
The latest figures from the Plumbing & Heating Merchant Index (PHMI) report show total value sales for May 2025 through specialist plumbing and heating merchants were up just +0.1% compared to May 2024. Volume sales decreased -5.9% while prices went up +6.3% year-on-year. With one less trading day this year, like-for-like value sales (which take trading day differences into account) were +5.1% higher.
Month-on-month, May value sales were -2.4% down compared to April. Both volume sales (-2.3%) and prices (-0.2%) were lower. There was no difference in trading days.
Total value sales in the three months from March to May 2025 were +4.4% higher than the same period a year ago (March to May 2024). Volume sales slipped -0.3% as prices increased +4.7%. With one less trading day in the most recent period, like-for-like value sales were up +6.1%.
Value sales in the three months from March to May 2025 were up +2.8% compared to the previous three month period, December 2024 to February 2025. Volume sales climbed +6.4% but prices were down -3.4%. With two extra trading days in the most recent period, like-for-like value sales contracted -0.6%.
Year to date value sales in the first five months January to May 2025 increased +2.6% on the same five months last year.
Plumbing & Heating merchants’ value sales in the 12-month period from June 2024 to May 2025 increased +0.8% on the previous 12-month period (June 2023 to May 2024). Volume sales grew +3.2%, however prices fell -2.3%. With two less trading days in the most recent period, like-for-like value sales were +1.6% higher.
May’s PHMI index was 95.6. With one less trading day compared to the Index base period, the like-for-like value sales Index was 98.8.
Monthly & Quarterly Reports
PHMI April 2025 Monthly Report
PHMI Q1 2025 Quarterly Report
PHMI February 2025 Monthly Report
PHMI January 2025 Monthly Report
PHMI Q4 2024 Quarterly Report
PHMI November 2024 Monthly Report
PHMI October 2024 Monthly Report
PHMI Q3 2024 Quarterly Report
PHMI August 2024 Monthly Report
PHMI July 2024 Monthly Report
PHMI Q2 2024 Quarterly Report
PHMI May 2024 Monthly Report
PHMI April 2024 Monthly Report
PHMI Q1 2024 Quarterly Report
PHMI February 2024 Monthly Report
PHMI January 2024 Monthly Report
PHMI Q4 2023 Quarterly Report
PHMI November 2023 Monthly Report
PHMI October 2023 Monthly Report
PHMI Q3 2023 Quarterly Report
PHMI August 2023 Monthly Report
PHMI July 2023 Monthly Report
PHMI Q2 2023 Quarterly Report
PHMI May 2023 Monthly Report
PHMI April 2023 Monthly Report
PHMI Q1 2023 Quarterly Report
PHMI February 2023 Monthly Report
PHMI January 2023 Monthly Report
PHMI Q4 2022 Quarterly Report
PHMI November 2022 Monthly Report
PHMI October 2022 Monthly Report
PHMI Q3 2022 Quarterly Report (Published 22nd November 2022)
PHMI August 2022 Monthly Report
PHMI July 2022 Monthly Report
PHMI Q2 2022 Quarterly Report (Published 22nd August 2022)
PHMI May 2022 Monthly Report
PHMI Q1 2022 Quarterly Report (Published 18 May 2022)
PHMI February 2022 Monthly Report (Published 21 April)
PHMI January 2022 Monthly Report (Published 22 March 2022)
PHMI Q4 2021 Quarterly Report (Published 22 February 2022)
PHMI November 2021 Monthly Report (Published 20 January 2022)
PHMI October 2021 Monthly Report (Published 16 December 2021)
PHMI Q3 2021 QUARTERLY Report (Published 23 November 2021)
PHMI August 2021 MONTHLY Report (Published 19 October 2021)
PHMI July 2021 MONTHLY Report (Published 20 September 2021)
PHMI Q2 2021 QUARTERLY Report (Published 23 August 2021)
PHMI May 2021 MONTHLY Report (Published 19 July 2021)
PHMI April 2021 MONTHLY Report (Published 18 June 2021)
PHMI Q1 2021 QUARTERLY Report (Published 26 May 2021)
PHMI February 2021 MONTHLY Report (Published 21 April 2021)
PHMI January 2021 MONTHLY Report (Published 19 March 2021)