What Is a Block Fence?

A block fence is a boundary wall built from concrete masonry units (CMUs), commonly called concrete blocks or Besser blocks. Block fences are a strong, cost-effective alternative to brick fences and are widely used throughout Brisbane and South East Queensland for boundary walls, front fences, retaining walls, and acoustic barriers.

Concrete blocks are larger than standard bricks, typically measuring 390mm long, 190mm wide, and 190mm high. This larger size means block fences are generally faster to build than brick fences, which can reduce labour costs.

Types of Block Fences

There are several popular block fence styles available in Brisbane:

Split face block fence – textured finish that looks like natural stone, ideal for modern and landscape designs.
Smooth face block fence – clean, contemporary finish that can be painted or rendered.
Rendered block fence – block wall finished with cement render and painted for a premium appearance.
Core-filled block fence – hollow blocks filled with concrete and steel for extra strength and retaining wall applications.
Block fence with piers – reinforced columns at intervals for structural support and visual appeal.

Block Fence Cost in Brisbane

Block fence costs in Brisbane typically range from $180 to $320 per square metre for supply and installation, depending on the block type, wall height, and finish. Split face and textured blocks are usually at the higher end of the range, while plain smooth face blocks are more economical.

Rendered block fences add $50 to $120 per square metre for the render and painting. Retaining block fences require engineering, steel reinforcement, and concrete footings, which can increase the cost significantly.

Use our block fence calculator to estimate your project cost by selecting block type, wall height, length, and piers.

Block Fence vs Brick Fence

Block fences are generally cheaper and faster to build than brick fences. They are well suited to modern homes, retaining walls, and large boundary walls. Brick fences offer a wider range of colours and a more traditional appearance. The best choice depends on your budget, home style, and the purpose of the fence.

Our brick fence page and retaining wall page compare the two options in more detail.

Regulations and Engineering

Block fences over 1.8 metres in height, or walls that retain soil, may require engineering certification and council approval in Brisbane. Retaining walls over 1.0 metre generally need a structural engineer's design and must comply with QBCC standards.

Service Areas

We provide block fence cost estimates for Brisbane, Ipswich, Logan, Redlands, Moreton Bay, the Gold Coast, and the Sunshine Coast.

Frequently Asked Questions

Are block fences cheaper than brick fences?

Yes, block fences are generally cheaper per square metre than brick fences because concrete blocks are larger and faster to lay. However, premium finishes such as split face or rendering can narrow the price gap.

How much does a block fence cost per square metre?

Expect $180 to $320 per square metre for a standard block fence in Brisbane. Rendered or reinforced block fences cost more.

Can block fences be used as retaining walls?

Yes, block fences are commonly used for retaining walls. They must be core-filled with concrete and steel reinforcement, and designed by an engineer if over 1.0 metre high.

Do block fences need piers?

Engineering requirements usually determine pier spacing. Taller walls, retaining walls, and long runs typically require reinforced piers at regular intervals.

Block Fences Brisbane