How the Two Actually Work
A concrete driveway is one continuous slab. It is poured over a compacted base, reinforced with steel mesh on chairs, and cut with control joints so any shrinkage crack lands on a line you chose rather than wandering across the surface. Its strength comes from acting as a single stiff plate that bridges soft spots in the ground underneath.
A paver driveway is the opposite idea. Individual units sit on a bedding layer over a compacted base, held at the edges by a restraint and locked together by sand in the joints. It carries load by spreading it through the interlock rather than by being one rigid piece. That difference, rigid slab versus flexible field of units, is the whole story when it comes to how each one behaves on Central Coast ground.
The Central Coast Ground Test
This is where the local ground splits the decision three ways. In the Gosford hinterland and up around Kariong and Kincumber you are on reactive clay and shale that swells when wet and shrinks when dry. That constant movement is hard on any driveway. A concrete slab handles it by being stiff enough to span the movement, provided it has the right steel and joints, so a well-built jointed slab often does better here than people expect. Pavers give a little as the ground moves, which sounds good, but on badly moving clay they can rut and spread, and then their advantage kicks in: you can lift the affected pavers, re-level the bed and relay them, which you cannot do with a cracked slab.
On the low-lying blocks near Brisbane Water and the Tuggerah Lakes the water table sits high. A high water table can settle a base unevenly over time, and again pavers let you re-lift and re-bed a section that has dropped, while a slab needs its drainage right from day one so it is not sitting in a wet base. Down on the Peninsula at Umina, Ettalong and Woy Woy you are on loose coastal sand. Sand drains fast and suits either option, but only if the base is properly confined and compacted so it does not spread sideways under a car. The honest summary: pavers are the more repairable choice on ground that moves, a jointed slab is the stronger choice that resists the movement in the first place, and on well-prepared sand it is a free choice.
Cost, Upkeep and Your Options
On cost, plain concrete is usually the cheaper driveway, with indicative supplied-and-laid ranges around $80 to $120 per square metre, while pavers tend to cost more once you add the base, the bedding and the laying labour. Those are market figures to help you compare, not a quote, and the fuller picture is in our driveway cost guide. On upkeep, a slab is close to set-and-forget aside from the odd seal, while pavers can grow weeds in the joints and need the odd re-lift. If it is the look of pavers you are after, a decorative concrete finish or exposed aggregate can give you texture and pattern in a single low-maintenance slab. And if you like the movement-tolerance of pavers but want fewer joints to weed, that is worth raising with your concreter, because the right answer really does depend on your block.
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Torn between a slab and pavers? Tell us your suburb and the state of the ground, and a local concreter will tell you honestly which suits your block. Send the details via our contact page for a call back.
Concrete vs Pavers FAQs
Q1 Are concrete or pavers better for a Central Coast driveway? +
Q2 Do pavers handle ground movement better than concrete? +
Q3 Which is cheaper on the Coast, concrete or pavers? +
Q4 Do coastal sand blocks suit pavers or concrete? +
More reading: all Central Coast concreting guides, or why concrete cracks on the Coast.
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