How is this calculated?

Using standard material quantities and coverage rates for UK garden projects.

Should I add extra for wastage?

Yes, 5-10% extra is recommended for cuts and spillage.

Where can I buy materials?

Most garden centres, builders merchants, and online suppliers stock these materials.

What is the difference between resin-bound and resin-bonded?

Resin-bound: aggregate is mixed with resin and trowelled smooth, giving a permeable, flat surface. Resin-bonded: resin is applied to the surface and aggregate scattered on top, giving a textured finish.

Is resin-bound paving permeable?

Yes, resin-bound surfaces are fully permeable (SuDS compliant) when laid correctly over a porous base. This means no planning permission needed for front drives in most cases.

GardenCalcs

Resin Bound Gravel Calculator

Calculate resin and aggregate quantities for resin-bound surfaces.

Area

Depth

How We Calculate This

This calculator uses standard coverage rates and material densities for accurate estimates.

Frequently Asked Questions

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Last updated: February 2026

All calculations are estimates based on standard gardening guidelines. Results may vary with soil conditions, climate, and plant varieties.