For walls that need to stand strong, our 4-inch (440x215x100mm) 7.3N solid concrete blocks are a builder’s go-to. Sourced from UK plants, these dense blocks hit BS EN 771-3 standards, offering high compressive strength for load-bearing walls, foundations, or sheds. Their uniform size makes laying quick and precise, whether you’re a pro on a site or a DIYer building a garage. Stocked in bulk at NextDayTimber.co.uk, they’re ready for next day delivery across the UK, keeping your project on time.
What are 7.3N blocks used for? Ideal for structural walls, foundations, or retaining walls needing high strength.
Are these blocks easy to lay? Yes, their 440x215x100mm size ensures consistent mortar joints. Use a standard 10mm bed.
Do they meet UK standards? Yes, compliant with BS EN 771-3 for quality and strength in masonry construction.
How many blocks per square metre? About 9.9 blocks per m², assuming standard 10mm joints. Check our calculator for estimates.