Supporting the UK construction industry since 1949.
Advanced aircrete manufacturing facilities in Kent and East Yorkshire.
Combining local expertise with knowledge and experience from across the H+H Group.
Solutions for internal and external wall construction across a wide range of project types.
Design guidance and technical support from specification through to construction.
Products and systems designed to improve productivity and simplify wall construction.
Flexible supply and logistics support designed around project requirements.
1909 – H+H's Danish origins, when mason Henrik Henriksson and brickworks owner Waldemar Kähler founded a company. Initially focused on stone quarrying and aggregate production, the company evolved to pioneer autoclaved aerated concrete (AAC) in the 1920s.
1949 – H+H was producing what is now globally recognised as aircrete, combining lightweight design, structural strength and exceptional thermal insulation, laying the foundation for sustainable building solutions in the UK and beyond.
1958 – The launch of the Grays, Essex factory marked a new era, blending Danish innovation with UK manufacturing expertise
1966 – Rugely, Staffordshire plant opens to serve the Midlands
1974 – Westbury, Wiltshire factory launches for the West Country market
1978 – Pollington, East Yorkshire plant opens, introducing the innovative Plus Block range
1992 – Borough Green, Kent factory established, replacing Rugely and Grays with state-of-the-art facilities
1990s – Launch of the Thin-Joint System with Celfix mortar, delivering faster construction, improved build quality and cost efficiency
1999 – Closer integration of Danish and UK operations, driving new product innovations and modern construction methods.
2003 – Second Pollington plant opens, featuring some of the most advanced sustainable aircrete manufacturing technology in the world
2018 – Major investment transforms Borough Green into Europe’s most advanced, energy-efficient aircrete factory
