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Recommended depth: 75-150mm for driveways

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Creating an Off-Street Parking Pad

A gravel parking area provides practical off-street parking without the expense of concrete or asphalt. A compact parking pad of 5 metres by 3 metres accommodates a standard vehicle comfortably while fitting in smaller front yards or alongside existing driveways. At 150mm depth, which provides adequate support for regular vehicle use, you'll need approximately 2.25 cubic metres of blue metal gravel to create this parking surface.

The weight of 2.25 cubic metres of blue metal is approximately 3.4 tonnes. This requires proper bulk delivery and will form a substantial pile that needs spreading and compacting. The investment in adequate depth pays off with a surface that resists rutting and scattering, maintaining its usefulness for many years.

Why 150mm Depth Matters

Parking areas experience the full weight of vehicles repeatedly in the same locations, unlike driveways where the load is distributed along a travel path. The 150mm depth provides enough gravel to resist compression into the underlying soil and maintains a level surface despite regular use. Going shallower often results in gravel scattering to the edges and exposed patches developing where tyres stop and turn.

Edge Definition and Containment

A parking area benefits significantly from defined edges to keep the gravel contained. Timber sleepers, concrete kerbs, or steel edging all work well to prevent the gravel migrating onto adjacent lawn or garden areas. The containment also makes the parking area look intentional rather than improvised, adding to your property's appearance. Allow for a slight crown or fall to drain water away from adjacent structures.

Have a larger parking requirement? Use our main gravel calculator to enter your exact dimensions.