Aerated Blocks

Aerated blocks are a popular choice for modern building projects where you want lightweight handling, excellent thermal performance and dependable strength. Easy to cut, lift and lay, they’re ideal for internal partitions, infill walls, extensions and a wide range of general construction tasks — helping you build faster while supporting energy-efficient results. Need to level out courses quickly and accurately? We also stock aerated coursing bricks, including H+H Celcon High Strength Coursing Bricks 7.3N (215x65x100mm) plus Durox Coursing Bricks in 100mm and 140mm sizes, making it easier to achieve clean, consistent blockwork. For specialist requirements such as trench or deeper builds, you’ll also find options like Mannok Lite Standard 300mm 3.6N (Trench), alongside standard thicknesses including 100mm and 140mm. Browse the aerated blocks below to compare sizes, strengths and pack coverage, and choose the right option for your next walling or structural job.