Asphalt is cheaper and quicker, and you can generally drive on it almost immediately. Concrete costs more, ties up the driveway for around a week, and typically lasts about twice as long. That's the summary. The right pick for you depends on your ground, your budget and whether going a week without the driveway is a problem.
Here we put the two side by side and run through the local conditions worth weighing up first. Reactive clay, steep blocks, heavy coastal rain, salty air and hot summer sun all have an effect on both surfaces.
Rigid versus flexible
The core difference is how they react under strain. Concrete is stiff: it shares a load across the whole slab and stays put until the stress gets too high, at which point it cracks. Asphalt is pliable: it gives a touch under each tyre and moves with the ground instead of resisting it.
| Factor | Concrete | Asphalt |
|---|---|---|
| Upfront cost | Higher | Lower |
| Typical lifespan | 30 to 40 years | 15 to 20 years |
| Ground movement | Stiff, so cracking is more likely | Moves with the soil |
| Back in use | Around 7 days, kept damp | Generally within a day |
| Upkeep | Clean and reseal now and then | Reseal every few years; fill cracks promptly |
| Finish options | Broom, exposed aggregate, coloured, stamped | Black, greying without resealing |
| Repairs | Patches tend to show | Patches tend to blend |
Most of the other differences flow from that stiff-or-pliable distinction.
What it costs to put in
On the initial bill asphalt comes in lower, often by a fair margin per square metre, because it takes much less finishing labour. Our asphalt driveways page explains what makes up that price.
Over the driveway's lifetime the difference narrows, because concrete tends to last roughly twice as long. How far it narrows comes down to how diligently the asphalt is resealed and how well each base was put down. Whichever you go with, drainage, base preparation and machine access cost much the same.
How long each one lasts
Concrete has the clear edge. A sound slab typically runs thirty to forty years compared with fifteen to twenty for asphalt, and asphalt goes noticeably further when it's resealed on schedule.
The groundwork underpins all of it. Asphalt over properly compacted crushed rock will easily outlast a concrete driveway laid on topsoil or soft, wet ground, so ask every contractor exactly what's going beneath the surface.
Looking after it
Asphalt demands more care. A sealcoat every few years shields the binder from harsh summer sun, and hairline cracks should be filled before storm water gets in, lifts the surface and weakens the base.
- Install cost: asphalt is cheaper.
- Lifespan: concrete generally lasts about twice as long.
Concrete asks less of you from week to week, yet a reseal every so often still helps keep damp and mould at bay, particularly on shady drives below the escarpment, and coloured or stamped concrete needs fresh sealer to stop sun fade.
Appearance and finishes
Concrete gives you lots of looks to choose from: exposed aggregate, stamped patterns, oxide tints, honed surfaces. Asphalt comes in black, and it stays black only as long as you keep sealing it.
When the driveway is a big feature from the street, this often settles the matter. For a side access or a work yard, it barely counts.
How long you're off the driveway
Asphalt is ready in about a day. Concrete needs roughly a week before cars and nearly four weeks before heavier loads, and on hot days we keep it damp throughout so it doesn't dry out too quickly.
People often overlook this. If the driveway is the only way in, or tenants rely on it, a week or more without it is a real cost worth allowing for.
Repairs down the track
Patching asphalt is simple and the repair usually fades into the rest. Concrete repairs tend to stay obvious, since fresh concrete seldom matches a slab that's weathered for years.
On the other hand, concrete needs fixing far less often, and a structurally sound slab can be resurfaced to look new, something asphalt doesn't really offer.
Making the call
Weigh these trade-offs against the conditions on your own block:
- Moving ground: asphalt bends, concrete is prone to crack.
- Time off the drive: asphalt in a day, concrete in roughly a week.
- Repairs: asphalt patches vanish; concrete patches tend to show.
Still weighing it up?
Three questions usually settle it. How much does your soil move? Could you go about a week without parking on the drive? Does the surface need to complement the look of the house? More often than not, the answers lean clearly one way. If yours don't, we're glad to visit, check the block and go through both options with you.