A Stoneworld Group Company
Choosing the correct thickness for natural stone paving is one of the most important decisions when planning a patio or garden path. In the UK, natural stone paving is typically available in calibrated thicknesses of 20mm, 22mm, 25mm, 30mm, and 40mm, with the ideal choice depending on the intended use, ground conditions, and sub-base design. For most residential patios that only handle pedestrian foot traffic, a 22–25mm thickness is standard, while heavier-use areas or those with weaker subsoils may require 30mm or more for added structural integrity.
It’s worth noting that natural stone such as Indian sandstone can vary slightly in thickness from slab to slab, which is normal and expected with hand-cut or uncalibrated stone. Thicker slabs generally offer greater load-bearing capacity but also increase material cost, weight, and installation complexity, so the decision should always be guided by site conditions and your contractor’s recommendations. Investing in the right thickness upfront prevents issues like cracking, sinking, or water pooling further down the line.
Contact our team today by following the link
sales@stoneworld.co.uk
01844 279274
