How to Build a Gravel Path That Stays Put
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A gravel path is one of the quickest and most affordable ways to lift a garden. Done well, it's firm underfoot, drains freely and stays tidy for years. Done badly, the stone spreads into the lawn, sinks into the mud and fills with weeds. The difference is all in the preparation.
Choosing your stone
- Fine Decorative Pebble (7–15mm): rounded pumice stones in warm, earthy tones. Comfortable underfoot and suited to paths and driveways.
- Lime Chip (6–17mm): crisp white marble chip. Its angular shape locks together well for a firm path and gives a bright, clean look.
- Fine Riverstone (15–20mm): smooth grey river pebbles with a natural feel. Lovely in cottage and coastal gardens.
For a path you walk on every day, smaller stone is more comfortable and stable. Save larger stones like Coarse Riverstone for borders and features.
Step by step
1. Mark it out
Use string lines or a hose to mark the path. Allow at least 900mm wide for comfortable walking, or 1.2m if you want two people or a wheelbarrow to pass easily.
2. Dig out
Excavate about 100–125mm deep, removing grass, roots and topsoil. Shape the base so water drains off rather than pooling.
3. Fit edging
Edging is what keeps stone on the path and out of the lawn. Timber, steel, brick or a concrete edge made with Daltons Builders Mix all work. Set the top of the edging slightly above the finished stone level.
4. Lay a compacted base
Spread 50–75mm of PAP7 crusher dust or GAP20, dampen it slightly and compact it firmly with a plate compactor or hand tamper. This firm base is what stops the path going soft and rutted.
5. Add weed mat
Lay a permeable weed mat over the base, overlapping joins by at least 150mm and pinning it down. It lets water drain while stopping the stone mixing into the base.
6. Spread the stone
Top with 30–50mm of decorative stone and rake it level. Too deep and it becomes hard to walk on; too shallow and the mat will show through.
Keeping it tidy
- Rake the stone back into place every few months.
- Top up thin spots with a little fresh stone each year.
- Blow or rake off leaves before they break down and give weed seeds somewhere to grow.
- Prevent new weeds germinating with a pre-emergent like Barricade. On paths and fence lines it can be tank-mixed with glyphosate to knock down existing weeds and stop new ones in one go. See Stop Weeds Before They Start.
How much do I need?
For a 10m path 1m wide: base 10 × 1 × 0.075 = 0.75 m³ (plus 20–25% for compaction, so order 1 m³), and stone 10 × 1 × 0.04 = 0.4 m³ (order ½ m³). More in How Much Do I Need?
Quick answers
Do I really need a base layer? For a path you'll walk on regularly, yes. Without it the stone gets pushed into the soil and the path goes soft and muddy in winter.
Is lime chip OK near all plants? Lime chip is marble (calcium carbonate) and can slowly raise soil pH alongside the path. Keep it away from acid-loving plants such as azaleas, rhododendrons, camellias and blueberries, or choose decorative pebble instead.
Will gravel wash away on a slope? Loose stone can migrate on steeper paths. Use steps or timber risers to break the slope into level sections.