N20 20 MPa ready-mix concrete being placed for a light-duty residential path

20 MPa concrete · N20

N20 Concrete (20 MPa): Uses, Price & Ordering

N20 concrete is 20 MPa normal-class concrete: the N20 grade name and 20 MPa strength rating both refer to the standard 28-day compressive strength.

N20 concrete is a light-duty normal-class mix for paths, blinding layers, garden edging, and non-structural pads. In 2026, Sydney N20 material pricing is typically $320-340/m3 before delivery, short-load fees, pump hire, waiting time, and GST. Check live availability by postcode before ordering.

Reviewed by Ross Mildwater, Senior Advisor, Customer Operations at MixHub

Indicative material price

$320-340/m3

Sydney 2026 guide range. Delivery, short-load fees, pump hire, waiting time, and GST depend on postcode, date, volume, and access.

Common names

20 MPa (N20)

Suppliers, engineers, and plans may write this as 20 MPa, N20, or 20MPa. They all refer to the same normal-class concrete strength.

Compare before ordering

N25

Not sure whether to move up or down? Compare N25 concrete before booking.

Uses

Where to use 20 MPa (N20) concrete

Garden paths

N20 can suit foot-traffic paths where vehicle loads and structural requirements are not involved.

Blinding layers

Use N20 for low-strength blinding or working layers when the drawings allow a normal-class 20 MPa mix.

Small pads

Light utility pads and mower strips may suit N20 when durability demands are low.

Specification

Grade decisions: use, avoid, upgrade, or downgrade

Always follow the engineer's specification, approved drawings, council requirements, or builder direction where they nominate a concrete grade, slump, exposure class, reinforcement, or aggregate size.

When not to use 20 MPa (N20)

  • Driveways, garage slabs, shared accessways, or vehicle traffic where N25 is usually the practical minimum.
  • Engineer-specified slabs, footings, suspended slabs, pools, or retaining-wall work.
  • Exposed or wet structural elements where durability and exposure class requirements can exceed 20 MPa.
DecisionRecommendationWhy
Use N20Paths, garden edging, blinding layers, and small non-structural pads.It keeps material cost down where loads and durability requirements are modest.
Upgrade to N25Driveways, garage slabs, paths that need extra durability, and most residential slabs.The small price uplift usually buys a more durable mix for common residential work.
Upgrade to N32+Footings, pools, exposed structural work, heavy vehicles, or engineer-specified pours.Higher load and exposure risk should follow the engineering specification, not a light-duty default.

Price 20 MPa (N20) concrete for your postcode

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N20 concrete FAQs

Is N20 concrete the same as 20 MPa?
Yes. N20 concrete is 20 MPa normal-class concrete. The MPa number is the 28-day compressive strength rating.
Can I use N20 concrete for a driveway?
N20 is not recommended for vehicle traffic. Use N25 for most residential driveways, or N32 where heavy vehicles, exposure, or engineering drawings require it.
How much does N20 concrete cost?
Sydney N20 concrete is typically $320-340/m3 in 2026 before delivery, short-load fees, pump hire, waiting time, and GST. Live delivered pricing depends on postcode, date, volume, and access.