Paul Haynes, Product, Solutions & Marketing Director at Baxi, has been appointed as a Builders Merchant Building Index (BMBI) Expert, representing the Heating and hot water solutions category as the industry accelerates its transition to low-carbon solutions.
The BMBI, a brand of the Builders Merchant Federation (BMF), and run by MRA Research using sales-out data from NiQ GfKโs general buildersโ merchant panel, is the only reliable measure of Repair, Maintenance and Improvement (RMI) building activity in the UK. It brings authoritative insight into market trends, while giving leading brands the opportunity to represent and speak for their category.
Baxi is part of the โฌ2bn-turnover BDR Thermea Group and a leading name in the British, Irish, and global heating and hot water industry, driving innovation and product design over the last century.
Since they were founded in 1866, they have maintained a manufacturing base in Lancashire. Today, they have over 1,200 employees across the UK and Ireland serving both domestic and commercial customers, providing comprehensive heating and hot water solutions and related services.
Their portfolio ranges from heat pumps, cylinders, and electric or gas boilers, to heat networks and large-scale pre-fabricated plant rooms tailored to commercial requirements.
Committed to sustainability and social impact, they launched their Sustainability Pledge in 2020 and are founding members of The Construction Inclusion Coalition (CIC), working to improve equity, diversity, and inclusion in the construction industry. Their profits support the BDR Foundation, through which they promote STEM awareness in UK schools and colleges, partnering with World Skills UK, Primary Engineer, and other programmes to inspire the next generation of heating engineers.
Representing Baxi, Haynes brings a strong track record in product strategy, customer-led growth and large-scale transformation programmes. At Baxi, he leads brand, product and growth strategy across both residential and commercial heating, with a focus on growing services around the products to deliver end-to-end solutions that work in the real world. His leadership approach has been shaped by experience at Amazon and Google, where he developed a sharp bias for action, customer obsession and data-led decision-making.
Paul is known for being pragmatic, straight-talking and people-focused, he is passionate about building strong teams, developing future leaders and creating cultures where ownership beats hierarchy.
Speaking about his appointment, Haynes said:
โIโm delighted to join the BMBI Expert Panel. Heating, hot water and low-carbon solutions are at the heart of how the UK will meet its decarbonisation goals, and the BMBI provides an excellent platform to share insight, raise awareness and support greater understanding of whatโs happening across our market.โ
Follow the BMBI to stay updated with the most accurate and up-to-date UK RMI market trends. For expert commentary from Paul Haynes, and the Expert Panel, check out the latest BMBI report at www.bmbi.co.uk or contact MRA Research (https://mra-research.co.uk/) for more information.


