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Cost & Pricing · 9 min read

Concrete Driveway Cost Calculator: Installed Price, Volume & Sub-Base

By BuildCalc Editorial Team · Published 2026-11-07 · Updated 2026-11-07

Quick answer

An installed broom-finished concrete driveway typically runs $8–$14/ft² in the US (£90–£140/m² UK, A$110–A$160/m² AU, NZ$130–NZ$185/m² NZ) including compacted gravel base and reinforcement. Exposed aggregate and stamped finishes add 30–75%.

On this page

  1. 01Driveway cost calculator
  2. 02Where driveway budget goes
  3. 03Cost by driveway size (1, 2 & 3 car)
  4. 04Broom vs exposed aggregate vs stamped
  5. 05Thickness, gravel base & rebar
  6. 06US, UK, Australia & NZ pricing
  7. 07How to compare contractor quotes
  8. 08FAQ

01 Concrete driveway cost calculator

Estimate turnkey contractor pricing, ready-mix concrete volume and crushed gravel tonnage for your driveway across the US, UK, Australia and New Zealand.

Project scope add-ons

Regional contractor benchmarks are planning ranges. Always compare 3 local written quotes.

Estimated installed budget

$6,182 – $8,742

Midpoint ≈ $7,462 ($9.7–$13.7 / ft²)

Driveway area
640 ft² (59.5 m²)
Concrete order (+10% waste)
10.86 yd³
Ready-mix concrete only
≈ $1,793
Crushed stone sub-base
13.6 tons

Planning to form and pour yourself? Price out exact steel bars in our slab rebar calculator and check bag counts in our concrete slab calculator.

02 Where your driveway budget actually goes

Concrete driveway cross-section layersLayered cross-section of a residential driveway: compacted subgrade, crushed gravel base, steel reinforcement and concrete slab with control joints.5–6" (125–150 mm) slab+ rebar & control joints4–6" compacted gravelundisturbed subgradeTotal Cost = Concrete + Sub-base + Steel + Forming & Finishing Labour
Ready-mix concrete is typically only 25–35% of an installed driveway quote; base prep, steel and finishing labour make up the rest.

Homeowners are often surprised when 10 cubic yards of ready-mix costs ~$1,700 on paper yet contractor quotes come back at $6,500+. A durable flatwork quote covers five distinct stages:

  1. Excavation & haul-off (10–20%): Stripping topsoil or breaking out old pavement and grading a 1–2% drainage slope away from the garage.
  2. Compacted sub-base (10–15%): 4–6 in (100–150 mm) of crushed angular road base compacted in lifts with a vibratory plate or roller.
  3. Formwork & steel reinforcement (10–15%): Perimeter forms, expansion strip against the garage apron and chaired rebar or mesh.
  4. Ready-mix concrete & pump/chute fees (25–35%): Air-entrained exterior mix (typically 4,000 psi / 25–32 MPa in freeze-thaw or driveway specs).
  5. Placing, finishing, saw-cutting & curing (25–35%): Bull-floating, edging, broom or decorative texturing, control-joint cuts within 6–18 hours and curing sealer.

03 Installed cost by driveway size (US benchmark)

Figures below assume a broom finish with compacted 4-inch gravel sub-base and steel reinforcement (excluding old pavement tear-out):

Concrete volume and estimated US installed cost for 1-car, 2-car and 3-car driveways
Driveway sizeAreaThicknessConcrete (+10%)Installed range (USD)
12 × 24 ft (Single car)288 ft²5 in4.89 yd³$2,782 – $3,934
20 × 20 ft (2-car pad)400 ft²5 in6.79 yd³$3,864 – $5,464
16 × 40 ft (Long 2-car)640 ft²5 in10.86 yd³$6,182 – $8,742
24 × 30 ft (Wide 2–3 car)720 ft²5 in12.22 yd³$6,955 – $9,835
24 × 40 ft (3-car / RV)960 ft²6 in19.56 yd³$9,762 – $13,602

04 Broom vs exposed aggregate vs stamped concrete

Broom / Brushed

  • Lowest upfront cost and fastest single-day pour
  • High slip resistance in rain and snow
  • Easy to clean and patch years later

Exposed Aggregate & Stamped

  • Exposed pebble aggregate is ultra-popular in AU, NZ & Pacific NW
  • Stamped/colored mimics slate, cobble or ashlar stone
  • Needs periodic re-sealing every 2–4 years to keep colour & sheen

05 Thickness, mix strength & control joints

✓

Three specs to confirm on every contractor quote

1. Mix design: Ask for minimum 4,000 psi (with 5–7% air entrainment in freeze-thaw climates) or N25/N32 (C28/35) in AU/NZ/UK—never low-strength footing mix where de-icing salts or tyres sit.

2. Control joint spacing: Saw-cut or hand-tool joints to ¼ of slab depth at spacing in feet no more than 2 to 2.5 × slab thickness in inches (every 8–10 ft on a 4–5 in driveway), keeping panels roughly square.

06 Regional pricing: US, UK, Australia & New Zealand

  • United States: Quoted per ft²; ready-mix sold by the cubic yard (yd³), with short-load fees under 5–8 yards.
  • United Kingdom: Quoted per m²; pattern-imprinted concrete and brushed C30/C35 driveways typically run £90–£160+ per m² depending on MOT Type 1 sub-base depth.
  • Australia & New Zealand: Quoted per m²; plain grey concrete usually lands around A$110–A$160/m² (NZ$130–NZ$185/m²), while exposed aggregate averages A$145–A$200+/m² on flat residential access.

07 Smart ways to trim cost without sacrificing slab life

  • Stick to straight forms. Sweeping curves take 2–3× longer to form and create more irregular control-joint cuts.
  • Add a decorative border instead of stamping the whole slab. A broom-finished field with a 12-inch stamped or exposed border gives curb appeal at a fraction of full-stamp pricing.
  • Never cut sub-base thickness or psi to save 8%. Replacing a cracked, settled apron costs twice the original job.

08 Frequently asked questions

How much does a concrete driveway cost per square foot?

In the United States, a standard broom-finished concrete driveway typically costs $8 to $14 per square foot installed including gravel base and reinforcement, while exposed aggregate runs $12 to $18/ft² and stamped decorative concrete runs $15 to $24+/ft².

How much does a 2-car concrete driveway cost?

A typical 20 × 20 ft (400 sq ft) two-car apron costs roughly $3,600 to $5,400 installed for a broom finish, while a full 16 × 40 ft (640 sq ft) driveway usually ranges from $5,800 to $8,700 before old pavement demolition.

How thick should a residential concrete driveway be?

Most residential driveways for passenger cars and SUVs are poured 5 inches (125 mm) thick—or 4 inches minimum on well-compacted granular soil—while driveways serving heavy pickups, RVs, boat trailers or delivery trucks should be 6 inches (150 mm) thick with steel rebar.

How much does it cost to tear out and replace an existing driveway?

Demolishing and hauling away old concrete or asphalt typically adds $2 to $4 per square foot ($20 to $35 per m² in the UK, Australia and New Zealand) depending on slab thickness, embedded wire mesh and dump fees.

How many cubic yards of concrete does a 16×40 driveway take?

At 5 inches thick, a 16 × 40 ft (640 sq ft) driveway requires 9.88 net cubic yards—or about 10.9 cubic yards once you add a 10% waste buffer, which is slightly more than one standard 10-yard ready-mix barrel.

Is concrete worth the extra upfront cost over asphalt?

Concrete usually costs 30–50% more upfront than hot-mix asphalt, but a properly jointed concrete driveway lasts 30–40+ years without periodic coal-tar sealcoating every 3 years, often making its lifetime cost lower.

BC

BuildCalc Editorial Team · Estimating & construction content

We turn contractor rules of thumb into tested formulas and free calculators. Every guide is checked against manufacturer yield data and re-reviewed when numbers change.

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