Tarmac Driveways in Essex: Cost, Pros, Cons & Lifespan
Tarmac is the cheapest driveway surface at £40–£80/m². How it performs on Essex clay, when it makes sense, and when to choose something else.
Why tarmac is still popular
Tarmac accounts for roughly 20% of new driveways in the Brentwood area. It's the cheapest option at £40–£80 per m² installed — roughly half the cost of block paving. For a standard 50m² driveway, that's £2,000–£4,000.
Installation is fast too. A tarmac driveway can be laid in a single day once the groundwork is done, versus 3–5 days for block paving. If budget and speed are your priorities, tarmac is hard to beat.
Performance on Essex clay
Tarmac has a mixed record on clay soil. The flexible surface absorbs minor ground movement without cracking — better than concrete. But it's less forgiving than block paving, which can flex at each individual joint.
The key is the sub-base. On Essex clay, contractors should lay a minimum 200mm MOT Type 1 sub-base, compacted in layers, before the tarmac goes down. A skimpy sub-base on clay guarantees cracking within 3–5 years.
Lifespan and maintenance
A well-laid tarmac driveway lasts 15–25 years. Sealing every 3–5 years extends this and prevents water ingress that causes frost damage. Expect to spend £100–£200 on resealing each time.
Repairs are straightforward — potholes can be filled and rolled for £50–£150. Patch repairs are visible though, especially on older tarmac that has faded from black to grey.
When to avoid tarmac
Don't choose tarmac if:
- Kerb appeal matters. Tarmac is functional, not decorative. It won't add the same property value as block paving or resin.
- You need planning-free. Standard tarmac is impermeable, so driveways over 5m² need planning permission. Porous tarmac exists but costs 20–30% more and is less common.
- You park heavy vehicles. Tarmac can soften in extreme heat and indent under sustained point loads.
For most Brentwood homeowners weighing up options, our block paving vs resin comparison covers the premium alternatives. Get quotes from local contractors to compare all three.