The Detail
Everything you'd ask a specialist on the doorstep.
Materials, methods, variations, and the small decisions that separate a 20-year driveway from a five-year one.
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Gravel grading, what size to use
10mm and 14mm are the standard driveway grades, small enough to compact under tyres, large enough not to track into shoe treads or migrate easily. Anything smaller than 10mm walks into the house; anything larger than 20mm gives an uncomfortable ride and damages alloy wheels. Avoid pea gravel (rounded edges) on driveways, angular gravel locks together better.
Grid stabilisation systems
Plastic honeycomb grid systems, CORE Drive, NewGrass, X-Grid, transform what a gravel driveway can do. The grid cells hold the gravel in place, prevent rutting, prevent migration and let you park, turn and reverse without raking. Adds £25–35/m² to the install and effectively eliminates the maintenance overhead of traditional gravel.
Sub-base, membrane and edging, non-negotiable
A gravel driveway without a sub-base is mud-and-stone porridge by month six. A gravel driveway without a permeable membrane is a weed nursery. A gravel driveway without edge restraints is gravel everywhere except where you wanted it. These three elements are not optional on a proper install, they're the difference between a driveway and a pile of stones.
Loose gravel versus self-binding gravel
Self-binding gravels (Breedon gravel, Cedec, hoggin) are a clay-bound aggregate that compacts to a firm but porous surface, the look of gravel without the looseness. Excellent for paths and lightly-trafficked areas; less suitable for daily-driven driveways where the compacted surface eventually breaks up under repeated turning.
Maintenance and refresh
Even gridded gravel needs occasional top-up, typically a tonne every 3–5 years on a domestic drive to keep the surface looking fresh. Annual raking, weed treatment along the edges, edge restraint check, the routine maintenance is light but real.