Paving Calculator

Enter your patio or path measurements and get exact slab counts, costs and a ready-to-order material list.

Start here

01 — The Calculator

How much paving does your garden need?

Pick a material, pace out your plot, and the value engine prices every way to fill it — hippo bags, dumpy bags or handy sacks.

Enter dimensions to calculate.

Area

0.0 m²

600×600 slabs

0 approx

Wastage

+10%

Patio packs

0 × 15.25m²

Best price

—

Enter your plot size below — we'll price the cheapest way to cover it.

The Catalogue

Your Materials Catalogue

Browse and customise your personal price list below. The default prices shown are indicative — useful as a starting point for budgeting, but your actual merchant prices will vary.

Why set your own prices?

When you update a product with your negotiated merchant price, every estimate and project board you create will automatically use your rate. Your quotes reflect what you actually pay, not a generic average — giving you more accurate margins and faster, more professional estimates.

How it works

  1. 1Click “Customise your own prices” and find the product below
  2. 2Enter your merchant price
  3. 3Save — stored on this device, and synced to your trade account when logged in
  4. 4Every project board and trade estimate now applies your saved price automatically

Your custom prices can be updated at any time as your supplier rates change. Logged-in trade users: your prices follow you across every device.

Custom prices flow into the calculator, project board and trade estimates automatically.

Hard Landscaping6 products

600 × 600mm Riven Paving Slab — Storm GreyPaving & Bricks

600×600 Slab (0.36m²)

Riven-texture pressed concrete patio slab, 38mm thick. Each slab covers 0.36m².

£7.45

£20.69 / m²

450 × 450mm Budget Utility Slab — GreyPaving & Bricks

450×450 Slab (0.2m²)

No-frills smooth utility slab for shed bases, bin stores and budget paths. Each covers ≈0.2m².

£3.95

£19.51 / m²

Natural Sandstone Patio Project Pack — Mixed SizesPaving & Bricks

15.25m² Patio Pack

Crated trade pack of mixed-size natural sandstone slabs covering 15.25m² — the cheapest way to lay a full patio.

£289.00

£18.95 / m²

Paving Jointing Compound — 15kg TubPaving & Bricks

15kg Jointing Tub

Sweep-in, wet-and-set jointing compound — one tub joints roughly 15m² of paving.

£24.95

£24.95 each

200 × 100mm Oblong Block Paver — CharcoalPaving & Bricks

Oblong Block Paver (50/m²)

Chamfered concrete block paver for driveways, paths and patios — 50 per m², herringbone or stretcher bond.

£0.58

£29.00 / m²

100 × 100mm Square Paving Sett — BuffPaving & Bricks

Square Paving Sett (100/m²)

Small-format square sett for borders, edging detail and cobble-look areas — 100 per m².

£0.35

£35.00 / m²

Default prices are indicative only — confirm with your merchant before ordering.

Common questions

Divide your area by the coverage of one slab — a standard 600×600mm slab covers 0.36m², so about 2.8 slabs per square metre. The calculator does this for you and adds 10% for cuts and breakages, which is the allowance every experienced landscaper works to.