For a brick garden walkway, excavate, compact a 100 mm sub-base, add 25–40 mm bedding sand, set bricks, add edge restraints, and sweep joint sand.
Want a solid path that looks classic, drains well, and stays put? This guide breaks the job into clean steps you can finish over a weekend, with pro tips on base depth, slope, edging, and patterns. You’ll see what to buy, how deep to dig, and how to check levels so the brickwork comes out tight and even.
Plan The Route, Width, And Slope
Start with function. Pick a line that feels natural when you walk it. Keep turns gentle. For comfort and wheelbarrow clearance, aim for 900 mm width where you can; narrower runs still work in tight beds, but passersby may clip plants.
Paths need a gentle fall so water leaves the surface. A common target is a gradient near 1:60 (about 16–17 mm drop per metre). On very flat ground you can use around 1:80. Pick one direction for the fall and keep it consistent from start to finish.
Pick Bricks, Pattern, And Edge Style
Clay pavers rated for paving handle weather and foot traffic well. Standard sizes (roughly 200 × 100 × 50–65 mm) pair nicely with running bond or herringbone. Running bond is quick. Herringbone locks in tight on bends and resists creep. For edges, you can stand bricks on edge as a soldier course or use hidden plastic/metal restraints pinned into the base. A raised soldier edge gives a tidy border and helps guide a mower wheel.
Tools And Materials Checklist
Here’s a streamlined kit for a typical 6–10 m garden run. Adjust quantities to your layout and soil.
| Item | Purpose | Notes |
|---|---|---|
| Clay Pavers | Walking surface | Add 5–10% extra for cuts |
| Type 1 Sub-Base (DTp1/MOT) | Load-spreading layer | ~100 mm compacted for garden paths |
| Sharp Sand (Grit) | Bedding layer | 25–40 mm screeded depth |
| Jointing Sand | Locks pavers | Dry kiln sand sweeps into joints |
| Edge Restraints | Stops lateral spread | Plastic/metal pinned, or brick soldier course |
| String Lines & Stakes | Set levels and fall | Two parallel lines across the run |
| Plate Compactor | Compacts sub-base & seats pavers | Hire for the weekend |
| Straightedge & Spirit Level | Check flatness and fall | 2 m level or level + 2–3 m straightedge |
| Screed Rails & Board | Set sand to depth | 25–40 mm pipes + screed board |
| Rubber Mallet | Seat bricks | Light taps only |
| Cutting Tools | Trim edges | Block splitter or angle grinder with diamond blade |
| Geotextile (Optional) | Separates soil and sub-base | Handy on soft or silty ground |
Lay Out The Path With Lines You Trust
Drive stakes at intervals and pull string lines along both sides of the path. Use spacers or a scrap batten equal to the finished width to keep the strings parallel. Set the fall by dropping the downstream line the required amount—about 16 mm per metre for a 1:60 fall—then mirror that drop on the second line so the surface stays level across the width.
Excavate To The Right Depth
Clear turf and topsoil. For most gardens, dig to allow: sub-base (about 100 mm compacted), bedding sand (25–40 mm), plus the brick thickness. Add a touch of extra depth if your soil is soft so you can build back with firm layers. Keep the trench sides neat; straight walls help when placing edge restraints.
Build A Firm, Free-Draining Sub-Base
Spread sub-base in two passes, compacting each lift. Aim for around 50 mm, compact, then another 50 mm, compact again. Keep checking levels and fall. If your ground feels spongy, add a geotextile before the first lift. The sub-base should feel rock-solid underfoot with no pumping or rutting.
Install Edge Restraints That Don’t Move
Edge restraint keeps bricks from creeping. On a hidden system, set plastic or metal restraints on the compacted sub-base and spike them through pre-formed slots. Space spikes close at curves. If you prefer a brick soldier edge, bed those bricks on a narrow concrete strip or a dense sand-cement haunch set just outside the finished line; keep the tops at the final height so the field pavers tuck in flush.
Lay A Smooth, Level Bedding Sand
Drop in two screed rails (pipes) set to your target thickness (25–40 mm). Pull a straight board along the rails to strike the sand flat. Lift the rails, fill the grooves, and don’t walk on the screeded bed. The sand should be moist enough to hold shape when squeezed, not wet or dusty.
Lay The Bricks Tight And True
Start on a straight edge or a squared corner. Place bricks gently, tight to each other, and tap with a mallet to seat them. Check joint lines every few courses with your eye and a straightedge. If you’re running herringbone, mind the center line so the pattern stays balanced left and right. Keep a small pile of bricks nearby and pull randomly from several packs to blend colors.
Cut The Borders Cleanly
At the edges, mark cuts by laying a brick overhanging the border and scribing the line underneath with a second brick as a guide. Use a block splitter for speed or an angle grinder with a segmented diamond blade for curves. Wear eye, ear, and dust protection. Fit cut bricks snug to the edge course.
Compact And Lock The Surface
Before compacting, spread a light layer of dry jointing sand and sweep it across the field. Run the plate compactor over the path with a protective mat or a layer of cardboard under the plate to avoid scuffing. The vibration beds bricks into the sand and starts the lock-up. Sweep more dry sand and repeat until joints are full.
Close Variation: Lay A Brick Garden Path Step-By-Step
Step 1: Mark And Set Levels
Stake the route and pull two strings for the sides. Build in your gradient from day one. Note the total dig depth by adding brick thickness to bedding and sub-base depths.
Step 2: Excavate And Trim
Dig, barrow out spoil, and trim the base with a flat shovel. On narrow runs, cut just outside the line to give space for your edging. Remove soft spots until the subgrade feels firm.
Step 3: Geotextile (If Needed)
Roll out fabric to stop fines from pumping into the sub-base. Overlap joins by at least 300 mm.
Step 4: Sub-Base In Two Lifts
Spread, level, and compact the first 50 mm. Repeat for the second lift. Keep the fall consistent. A long straightedge shows high spots—shave and re-compact.
Step 5: Edge Restraints
Install hidden restraints on the sub-base and spike them down, or set a soldier course on a firm haunch. Check for straightness with a taut string and adjust before it sets.
Step 6: Screed The Sand
Set rails, strike the sand, and don’t step back on it. Work in sections you can reach from the compacted sub-base.
Step 7: Lay Bricks
Work off the laid surface, not the bedding. Keep joints tight. Use a short off-cut as a tapping block on soft-edged bricks.
Step 8: Cut To Fit
Dry-fit cuts, then set them on the bed. Keep the joint width consistent with the field.
Step 9: Sand, Compact, Re-sand
Flood the surface with dry kiln sand, compact, and sweep more until the joints stop taking sand.
Step 10: Finish And Clean
Brush off fines, check the fall with a level and spacer block, and rinse gently so you don’t wash sand out of joints.
Drainage, Frost, And Soil Tips
On clay or wet spots, crown tree roots and keep the path a touch higher than surrounding beds so runoff finds the lawn or a gravel border. In freeze-prone zones, depth and compaction matter. A firm 100 mm sub-base over stable subgrade keeps heave in check for pedestrian paths. Where soils are sandy, edging spikes may need extra length. On silts, a geotextile pays off.
Choose A Pattern That Fits The Space
Running bond reads calm and lengthens a narrow line. Basketweave gives a cottage look on short segments. Herringbone locks well near gates and bends. Lay a small dry mock-up on the lawn and step back. The best pattern is the one that fits your eye and trims with minimal waste.
Table Of Base And Bedding Guidelines
Use this quick reference to set depths. These figures suit garden walkways with foot traffic.
| Site Condition | Sub-Base (Compacted) | Bedding Sand |
|---|---|---|
| Firm, Well-Drained Soil | ~100 mm | 25–30 mm |
| Soft Or Silty Soil | ~125–150 mm + geotextile | 30–40 mm |
| Shallow Tree Roots Nearby | ~100 mm, feather around roots | 25–30 mm |
Keep The Surface Dry And Clean
Surface water shortens the life of any path. That gentle fall (near 1:60) sheds puddles. Keep beds mulched so soil doesn’t splash across joints in a downpour. A narrow gravel strip along one or both sides adds drainage and stops mud streaks on bricks.
Grout Choices: Dry Sand, Polymeric Sand, Or Mortar
Dry kiln sand works for most garden walkways and makes future tweaks easy. Polymeric sand hardens when wet and resists ants and weed seeds; it needs careful cleanup before misting. Mortar joints give a crisp, formal look but transfer more stress; use only with a rigid base built for it.
Edge Options And When To Use Them
Hidden plastic/metal restraints: fast, clean, and nearly invisible once sod grows in. Great for curves and mixed materials. Brick soldier course: classic look and mower-friendly. Bed soldiers on concrete or a dense sand-cement haunch for strength. Timber edging: fine for rustic beds; keep it treated and anchored with ground spikes.
Maintenance That Actually Extends Life
Sweep joint sand back in after heavy rain during the first few weeks. Top up joints once a season if needed. Pull weeds early so roots don’t wedge joints open. If a patch settles, lift those bricks, add a touch of sand, and relay. That’s the beauty of segmental paving—you can service small areas without tearing out the whole run.
Common Mistakes To Avoid
- Skipping the fall. Even a small slope keeps the surface drier.
- Under-compacting the sub-base. Two passes per lift at minimum.
- Walking on the screeded sand. Work from the laid bricks instead.
- Loose or missing edging. That’s how spreads start.
- Joint sand left on the surface before misting polymeric products.
Cost, Time, And A Simple Quantity Guide
Costs vary by brick type and access. A typical DIY run might land near the price of mid-range patio slabs, with the pavers as the main spend. As for time, a small garden path often breaks cleanly into two days: base on day one, lay and compact on day two. Here’s a quick way to size materials:
Quick Takeoffs
- Brick count: Area in m² × 50–55 for standard pavers (includes waste).
- Sub-base: Area × 0.10 m for 100 mm depth = cubic metres, then add 10% for compaction loss.
- Bedding sand: Area × 0.03 m for 30 mm depth.
- Joint sand: About 3–6 kg per m², pattern-dependent.
When To Think Permeable
If you want more soak-away capacity, you can flip to a permeable build-up: open-graded aggregate layers, a choker course, and a wider joint medium. The look is similar from the top but the base layers let water pass into the ground. This calls for a different spec for each layer and careful control of fines.
Pattern Ideas That Save Cuts
On rectangular paths, running bond set lengthwise keeps cuts to a minimum. In wider spots, rotate a small square of herringbone to build a visual “pause” near a bench or gate. Keep bonds aligned at transitions so the eye reads the path as one continuous feature.
Weather Windows And Curing
Dry weather makes life easier. Lay on a day with no heavy rain in the forecast. If you set a soldier edge on a haunch, let it firm up before you compact the field. Cover fresh joints with tarps if a storm rolls in right after sweeping.
Second Reference Table: Patterns And Where They Shine
Use this picker to match patterns to spots along the route.
| Pattern | Best Use | Notes |
|---|---|---|
| Running Bond | Long, narrow runs | Fast to lay; few cuts |
| 45° Herringbone | Bends, entries | Strong interlock; trim at edges |
| Basketweave | Short sections, cottage beds | Classic look; mind joint lines |
Final Checks Before You Roll A Wheelbarrow Over It
Walk the line, heel-to-toe. Listen for drummy bricks; tap them down. Lay the level across the width and along the run at a few spots; confirm that steady fall. Water the path with a light spray and watch where runoff goes. If it heads to a bed, you’re set. If it turns back toward a wall, lift a small patch, adjust sand, and reseat while it’s fresh.
Printable Mini Checklist
- Mark route, set strings, build the fall.
- Excavate to full depth.
- Compact ~100 mm sub-base in two lifts.
- Install edge restraint.
- Screed 25–40 mm bedding sand.
- Lay bricks tight; cut borders.
- Sweep joint sand; compact; top up.
- Rinse gently; tidy the site.