How to lay a driveway: materials, costs and drainage

The driveway: more than a parking space

A driveway is the most underrated part of your property. You drive over it daily, yet most people give it less thought than their kitchen worktop. A shame, because a good driveway defines the look of your entire frontage. And with tightening rules on surface water drainage, choosing the right material matters more than ever.

Tools like GardenWorld let you visualise a new driveway with your house before committing. A driveway isn't something you redo on a whim, so getting it right first time counts.

Permeability: the new standard

Many local councils now require new hard surfaces in front gardens to be permeable. The logic is simple: when all rainwater rushes to the drains, the system overloads. Permeable surfaces let water soak into the ground. Good for aquifers, and sometimes good for your wallet — some councils reduce drainage charges.

Which materials are permeable?

• Grass-concrete blocks: green and porous, but not for sleek designs
• Permeable block paving: specially manufactured with open structure
• Gravel on drainage mat: fully permeable but can feel loose to drive on
• Open-jointed paving: blocks with wide joints filled with grit

Materials compared

Clay block paving

A classic for driveways. Strong enough for vehicles at 65+ mm thickness. Price: £40–75/m² laid. Available in dozens of colours. Tip: choose charcoal or multi-tone for a driveway — lighter colours show oil stains faster.

Concrete blocks

Cheaper than clay (£20–45/m² laid) and available in many shapes and finishes. Tumbled, smooth or textured — there's something for every budget. Downside: concrete blocks fade faster. Visit RHS partner gardens to see aged examples.

Gravel

The cheapest option (£8–20/m²) and fully permeable. But gravel migrates, makes noise and is tricky to clear snow from. Use a gravel stabilisation grid for a neater result.

Poured concrete

Smooth or pattern-imprinted concrete is low-maintenance and affordable (£25–55/m²). Downside: it can crack from settlement and it's not permeable. A solid sub-base is critical.

Load-bearing capacity

A car weighs 1,000–2,000 kg. Your driveway needs a heavier sub-base than a garden path. Budget at least 20 cm of compacted Type 1 MOT, topped with 5 cm of sharp sand.

Costs for a 30 m² driveway

DIY saves significantly, but hire a plate compactor — stamping with your feet won't cut it for a driveway.

Planning permission

In England, you generally don't need planning permission if the surface is permeable or if water drains to a planted area within your property. Non-permeable surfacing of more than 5 m² in a front garden does require permission. Always check with your local authority.

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