Best gravel for driveways: sizes, types and colours compared

Updated 6 November 2026 · By the Gravel Driveways team

Short answer: The best gravel for most UK driveways is angular crushed stone between 10mm and 20mm, laid around 40mm to 50mm deep over a compacted sub-base. 14mm and 20mm are the most popular sizes. Rounded pea shingle and very small stone move too much under tyres unless laid in grids, and stone larger than 20mm is hard to walk on.

Best gravel for driveways: sizes, types and colours compared

Angular vs rounded gravel

The shape of the stone matters more than its colour. Angular gravel is crushed from larger rock, so it has sharp faces that lock together when driven on. That makes it firmer underfoot and much less likely to rut or roll away. Rounded gravel, such as pea shingle and many beach or river pebbles, has smooth faces that roll against each other like ball bearings. It looks soft and attractive but shifts every time a tyre turns on it.

For a driveway, choose angular stone unless the gravel will be held in a grid. If you love the look of a rounded pebble, laying it in a stabilising grid is the way to make it practical.

Which size to choose

Size	Best use	Notes for driveways
6mm and under	Paths, pots, grid infill on some systems	Too small for loose driveways, sticks to tyres and shoes
10mm	Paths and lightly used drives	Comfortable to walk on, moves more under cars
14mm	Most domestic driveways	Good balance of stability, comfort and looks
20mm	Busy or larger driveways	Very stable and less likely to be carried indoors
40mm and over	Decorative borders and drainage	Hard to walk and drive on, not suited to the main surface

Gravel sold as 14mm or 20mm is graded, so it contains a range of sizes up to that figure. Many suppliers and installers treat 14mm to 20mm angular stone as the default for a family driveway.

Popular driveway gravel types

Type	Look	Points to know
Granite chippings	Grey, pink, red or black, speckled	Very hard and hard-wearing, a reliable driveway choice
Limestone chippings	Pale cream to grey	Cost-effective, can soften slightly and produce fines over time
Cotswold or buff limestone	Warm honey and gold	Suits period and rural homes, softer than granite
Flint	Brown, cream and grey	Hard, sharp-edged when crushed, traditional in the South and East
Slate chippings	Blue, plum or green-grey	Flat pieces that can shift, better for borders than heavy-use drives
Quartzite and decorative stones	Bright white, gold or mixed	Premium price, white stone shows dirt and algae more
Pea shingle	Rounded, mixed browns	Cheap and pretty but moves a lot, use only in grids

How much gravel you need

As a rough guide, one tonne of typical 14mm to 20mm gravel covers around 10 to 12 square metres at a depth of 40mm to 50mm. The exact figure depends on the density of the stone, so check the supplier's coverage figure.

Measure the length and width of each rectangle of the drive in metres and multiply to get square metres
Multiply the area by the depth in metres, for example 0.05 for 50mm, to get cubic metres
Multiply cubic metres by about 1.6 to 1.8 to estimate tonnes for most crushed stone
Add 5% to 10% for spreading and wastage

Bulk bags usually hold between around 800kg and 1 tonne. For larger drives, loose loads tipped from a lorry can be cheaper, but they need somewhere to land.

Colour and practical considerations

Pale stone brightens a frontage but shows oil, leaves and algae
Mid-tone and mixed colours hide dirt best
Match the stone to the local building materials for a natural look
Ask for a sample and look at it wet and dry, as colour changes a lot in rain
Check the stone is suitable for vehicles, as some decorative products are aimed at gardens only
Think about future top-ups and choose a stone your supplier is likely to keep stocking

What not to use

Avoid laying a loose drive in rounded pea shingle on a slope, very fine stone that gets carried into the house, and large decorative cobbles as the main driving surface. Do not use the gravel itself as the sub-base either. The base should be a well-graded crushed material such as MOT Type 1, which contains fines that bind it into a solid layer when compacted. Driveway gravel is clean, single-size stone that will not compact in the same way.

Matching gravel to how the drive is used

Situation	Suggested gravel
Family drive, one or two cars	14mm to 20mm angular granite, flint or limestone
Busy drive or turning area	20mm angular stone, ideally in grids
Sloping drive	Angular stone in stabilising grids
Wheelchair, walker or buggy users	Smaller angular stone in grids, or a bound surface
Drive used by vans or motorhomes	20mm hard stone such as granite over a deeper sub-base
Period cottage or rural setting	Local stone such as Cotswold, flint or a buff gravel

Whatever you choose, the gravel only forms the top layer. It is the sub-base underneath that decides how well the drive copes with weight, so ask for both to be specified in the quote.