How to Lay Stepping Stones

DIY Guide

Create a practical, attractive garden path with stepping stones in an afternoon.

Quick Answer

Lay stepping stones by marking your route, removing turf or soil to a depth of around 50mm, adding a sharp sand bed, and setting each stone level with the surrounding ground. Space stones 400–450mm apart (centre to centre) for a natural walking stride.

Before

After

Difficulty

Beginner

Time

2–4 Hours

Cost

£30–£80

Tools Needed

Spade
Garden trowel
Spirit level
Rubber mallet
Tape measure
String line and pegs
Stiff-bristled brush

Materials

Stepping stones (natural stone, reconstituted stone, or concrete slabs)
Sharp sand
Landscaping fabric (optional)
Kiln-dried jointing sand
Garden canes or spray paint (for marking)

How To

Step-by-Step Guide

Plan and Mark Your Route

Walk the path naturally and place stones loosely on the surface as you go, letting your stride dictate the spacing — typically 400–450mm between centres. Stand back and view from above to check the line looks natural; a gentle curve reads better than a rigid straight run. Mark each stone position with a cane or a spot of spray paint before you lift anything. If your path will cross a lawn, check for any buried cables or pipes using the plans your utility provider can supply before digging begins.

Cut Out Each Stone Position

Place the first stone on its marked position and score around it with a spade to cut the outline into the turf. Remove the stone, then dig out the turf and soil to a depth of approximately 70mm (50mm of sand bed plus the thickness of your stone). Keep the sides of the hole vertical and the base flat — a rough base leads to a rocking stone. Repeat for every position before moving on. For a gravel path alongside stepping stones, excavate the whole run at this stage.

Lay the Sharp Sand Bed

Pour approximately 50mm of sharp sand into each hole and rake it level. Sharp sand compacts firmly underfoot and allows minor adjustments — avoid building sand, which stays loose and lets stones sink unevenly over time. Tamp the sand down with the back of a trowel or a short piece of timber, then check it is level before placing the stone. If you want to suppress weeds beneath the stones, lay a piece of landscaping fabric over the compacted sand before adding the top 10mm.

Set Each Stone and Check Level

Lower the stone into position and press it firmly onto the sand bed. Place a spirit level across the stone in both directions — it should sit flush with, or 5–10mm below, the surrounding lawn or soil surface. A stone proud of the surface is a trip hazard; one set too low will pool water. Tap the stone down gently with a rubber mallet until level, adding or removing sand as needed. Avoid standing on the stone before it is fully bedded. If you are also planning to lay a budget patio at the end of the path, level the final stone to match that finished height.

Fill Gaps and Finish Joints

Once all stones are set and level, brush kiln-dried jointing sand into the gaps between each stone and the surrounding soil or turf. Work the sand in with a stiff-bristled brush, then water lightly so it settles. For stones set in a lawn, backfill any gap around the stone edge with fine topsoil and firm it down, allowing grass to grow back and frame each stone naturally. Avoid using ordinary cement mortar between stones set in a lawn — the ground movement will crack it within a season. If you notice the surrounding lawn is uneven, this is a good moment to read about how to fix a waterlogged lawn before it undermines your new path.

Check, Walk and Adjust

Walk the full path at normal pace and feel for any stones that rock, tip, or feel loose. A rocking stone means insufficient sand underneath — lift it, add sand, re-bed, and re-check. Recheck all stones with the spirit level after walking them, as foot pressure will reveal any that were not fully seated. Tamp down any that have shifted. The path is ready to use immediately, but avoid heavy foot traffic for 24 hours if conditions are wet. Sweep off any surplus sand once dry.

Watch Out

Common Mistakes to Avoid

Do I need to use mortar to lay stepping stones in a lawn?

No — a compacted sharp sand bed is sufficient for stepping stones set in a lawn or planted border. Mortar is only needed when stones are part of a hard-landscaped area with no surrounding ground movement to accommodate.

How far apart should stepping stones be?

Measure centre-to-centre, not edge-to-edge. For most adults, 400–450mm centre-to-centre gives a comfortable, natural walking pace. Lay them out and walk them before digging to confirm the spacing works for you.

Will weeds grow through my stepping stones?

Weeds can colonise the gaps between stones and the soil, particularly in shaded or damp areas. Laying landscaping fabric under the sand bed significantly reduces this. If weeds appear later, a long-handled weeding tool deals with them without disturbing the stones.

Can I lay stepping stones on a slope?

Yes, but on any slope steeper than about 1-in-10 you should angle each stone very slightly into the slope (2–3mm lower at the downhill edge) so water runs off rather than pooling. Textured or riven-surface stones also provide better grip than smooth-faced ones on a gradient. For broader path planning on slopes, see our guide on how to lay a gravel path as an alternative.

Pro Tip

Before committing any stone to sand, photograph the full layout from an upstairs window or step ladder — it reveals uneven spacing and poor line far more clearly than ground level ever will. Once you are happy with the layout in the photo, mark every position before lifting a single stone.

Sources

RHS — Hard Landscaping: Paths and Steps — rhs.org.uk
Which? — How to lay a garden path — which.co.uk
HSE — Working safely in your garden — hse.gov.uk

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