• Larson Enterprises Ltd: Property Protection & Building Health EngineeringLarson Enterprises Ltd designs, tests, and manufactures specialised building resilience products. Operating via our specialised trading names, Buffalo Flood Systems and Water & Pest Technologies, we engineer passive defences and property health solutions backed by independent testing and continuous product development.With over 15 years of hands-on installation experience in domestic and commercial flood mitigation, our focus is bringing unique, high-specification products to market that simplify installation and ensure long-term, predictable reliability.Core Product Portfolio

    Our core manufacturing lines specialise in high-performance property flood resilience (PFR), drainage integrity, and sub-floor environment control.

    Buffalo Standard Anti Flood Air Brick: Our cornerstone passive defence system, independently tested and formally certified to BS 851188-1 (Kiwa BSI Kitemark KA-26-1002). It features a completely passive design that requires zero human intervention or power, delivering a verified minimum representative open flow area of 4,156 mm² of true ventilation across a 10-year design life.

    Buffalo Non-Return Valves & Rat Blockers: Advanced inline backflow preventers designed for 110 mm inline utility pipes to eliminate cross-contamination flood risks and pest entry into the building structure.

    Structural Health & Regulatory Integration

    Standard, unprotected air bricks are responsible for over 90% of initial low-level water ingress, saturating sub-floor timbers long before flooding becomes visible inside a property. Left unmanaged, moisture ingress results in severe structural rot, expensive remedial costs, and hazardous living environments.

    Deploying certified passive defences helps social housing providers, local authorities, and maintenance contractors protect structural assets, meet preventative maintenance cycles, and ensure compliance with strict property conditions required under Awaab’s Law.