How Much Is Tarmac Per Square Metre in the UK? Driveway Cost Calculator Guide

Use a tarmac driveway cost calculator by measuring the length and width in metres, entering the total area, then adding details about excavation, old surface removal, drainage, edging, region, and finish. Treat the result as a quote-checking range, not a fixed price from an installer.

Start with the basic area.
If your driveway is 8 metres wide and 6.25 metres long, the area is:
8 x 6.25 = 50m²

If installed tarmac ranges from £45 to £100 per m², your broad estimate becomes:
50 x £45 = £2,250
50 x £100 = £5,000

That range is wide, so refine it.
Use this method:

• Measure the driveway in metres.
• Split odd shapes into rectangles.
• Add the areas together.
• Add 5 to 10 percent if the shape is awkward.
• Choose whether old tarmac, concrete, gravel, or soil needs removing.
• Add drainage if water runs towards the house or public footpath.
• Add edging if the sides are open.
• Select your UK region.
• Compare the calculator result with written quotes.

You can use your calculator page naturally here: use our free tarmac and asphalt calculator.

The calculator should help you spot weak quotes. If your estimate says £4,200 and one installer says £2,600, don’t celebrate too early. Ask what’s missing.

Here’s a simple decision guide.

For other construction materials, you can also link to your concrete calculator and brick calculator where relevant.

Is tarmac cheaper than block paving, resin, concrete, or gravel?

Tarmac is usually one of the better-value driveway surfaces in the UK. It often costs less than block paving and concrete, installs quickly, and suits everyday vehicle use. Gravel can be cheaper, resin can look smarter, and concrete can last well, but each option has trade-offs.

Here’s the comparison most homeowners need.

Tarmac often beats block paving and concrete on cost. It also goes down faster. A small tarmac driveway may be completed in one to two days, while a typical 60m² driveway often takes two to three days. Larger or more awkward projects may take three to five days.
But don’t choose tarmac only because it’s cheaper.

Tarmac is not naturally permeable. If water drains onto a public footpath or towards the house, you may need drainage work. For front gardens in England, non-permeable surfacing over 5m² can need planning permission unless water drains to a permeable area within the property. Dropped kerbs also need local authority approval.

That’s where some cheap tarmac quotes fall apart. They price the surface, not the water.

Can resurfacing save money compared with a full new tarmac driveway?

Yes, resurfacing can save money if the existing tarmac base is still sound. It usually costs less than digging out and rebuilding the whole driveway. But resurfacing over a failed base is false economy. Cracks, dips, movement, and drainage problems need fixing first.

Resurfacing means laying a new tarmac layer over the existing surface. It can freshen up an old drive and extend its life without full excavation.
Current cost data puts tarmac resurfacing at around £50 to £70 per m², depending on driveway size, location, and condition.

That sounds attractive.
But here’s the catch. Resurfacing adds height. Too many layers can raise the driveway close to the damp-proof course, air bricks, garage threshold, or front step. One guide warns that each resurface can add around 30mm to the driveway height.

Use this simple test before you choose resurfacing.

I’m not against resurfacing. Done in the right place, it’s sensible.
But resurfacing a bad driveway is like painting over damp plaster. It looks better for a short time, then the old problem comes back.

How much does tarmac cost per tonne?

Hot-mix tarmac usually costs around £45 to £60 per tonne on a supply-only basis. One tonne may cover around 8m², depending on the depth laid. Supply-only prices do not include labour, delivery, sub-base, compaction, waste removal, or driveway preparation.

This is where many DIY estimates go wrong.
They find a tonne price, multiply it by the area, and think they’ve priced the job. That only prices part of the material.
Hot-mix tarmac is sold by the tonne and has to be delivered hot. It must be laid and compacted quickly before it cools. Cost data shows hot-mix tarmac at around £45 to £60 per tonne, with one tonne covering roughly 8m², depending on depth.

Cold lay tarmac is different. It’s sold in bags and is better for small repairs, potholes, and patches. A 25kg bag usually covers only a small area at shallow depth, so it’s poor value for a full driveway. Cold lay tarmac is listed around £8 to £15 per 25kg bag, while hot-mix tarmac is listed around £45 to £60 per tonne.

Here’s a quick example.

A 40m² driveway surface layer may need around 5 tonnes if using the rough 8m² per tonne guide.
5 tonnes x £60 = £300 material supply
Sounds cheap, doesn’t it?

But that excludes labour, plant, delivery, sub-base, excavation, drainage, edging, skip hire, VAT, and profit. That’s why supply-only maths should never be used as a full driveway estimate.

What should a proper tarmac driveway quote include?

A proper tarmac quote should include the measured area, excavation depth, waste removal, Type 1 MOT sub-base, compaction, binder course, wearing course, edging, drainage, manhole covers, access notes, VAT, guarantee, and expected timescale. If those details are missing, ask before you agree.

A good quote is boring in the best way. It tells you exactly what you’re buying.
Ask these questions before saying yes:

• How many square metres have you measured?
• How deep will you excavate?
• What sub-base will you use?
• Will there be a binder course and wearing course?
• Where will the rainwater go?
• Is edging included?
• Are manhole covers included?
• Is skip hire included?
• Is VAT included?
• How long before we can park on it?
• What guarantee is given in writing?

Drainage deserves special attention. A new soakaway or drainage channel for a standard driveway can start around £1,000, and poor water flow can wear away the tarmac surface over time.
That is not a small extra. It can change the quote completely.

My strongest advice is this: get at least three written quotes, but don’t choose by total price alone. Choose by scope.

A £4,800 quote that includes proper excavation, drainage, edging, and VAT may be better value than a £3,600 quote with vague wording.

When is the best time to book a tarmac driveway in the UK?

Spring to early autumn is usually the easiest period for tarmac work because there are more dry, mild days. Winter jobs can still be done, but rain, frost, cold ground, and short daylight hours can slow the work and affect scheduling. Book early if you want better availability.

Tarmac work depends on timing. The surface needs to be laid and compacted while the material is workable. The team also needs a prepared base and suitable weather.

A typical day starts early. The old surface comes up. The digger scrapes. The compactor thuds across the stone. By the time the hot-mix arrives, the crew needs to move quickly. The smell is sharp. The roller hums. The finish has to be right before the surface cools.
Here’s a seasonal guide.

After laying, hot-mix tarmac can often handle foot traffic and light vehicles after 24 to 48 hours, but normal use may be better after around 7 days. Full curing can take longer.

So don’t plan a new driveway the day before guests arrive.
Give it breathing room.

Final answer: what should you expect to pay?

Most UK homeowners should expect installed tarmac to cost around £45 to £100 per m² for a new driveway, with a typical 60m² drive often landing around £2,500 to £5,000. Resurfacing may cost less, but only when the existing base is sound and drainage is already under control.

If you came here asking how much is tarmac per square metre, use this as your working answer:
For a simple new driveway, budget £45 to £100 per m².
For resurfacing, budget around £50 to £70 per m².
For a typical 60m² driveway, expect roughly £2,500 to £5,000, depending on preparation and finish.

But don’t stop there.

Measure your driveway. Use a tarmac driveway cost calculator. Add groundwork, edging, drainage, and waste removal. Then get written quotes from local driveway specialists.
The best quote is not always the cheapest one.
It’s the one that explains the work under the surface.