CONCRETE SLABS MELBOURNE

Strong, level concrete slabs for sheds, workshops, spas, patios and outdoor areas. DENZ manages the site preparation, reinforcement, drainage and concrete pour to create a reliable base suited to your property.

REQUEST A SLAB QUOTE
A beautiful concrete spa pad at a home in Ashburton
Concrete Slabs

CONCRETE SLABS DESIGNED FOR THE SPACE

Concrete slabs need to suit the structure, load and site conditions above them. DENZ installs residential concrete slabs across Melbourne for sheds, workshops, spas, patios, basketball courts and outdoor areas, with the preparation and reinforcement matched to their intended use.

Planning Your Concrete Slab

What to Consider Before Installing a Concrete Slab

A concrete slab needs more than a level finish. Site preparation, drainage, slab thickness and reinforcement all influence how well it performs over time and whether it suits its intended use.

The way your slab will be used influences how it's designed. A slab for a garden shed may have different requirements than one supporting a spa, workshop or outdoor entertaining area.

A strong slab starts with proper site preparation. Removing unsuitable ground and creating a stable foundation helps provide long-term strength and performance.

Good drainage helps prevent water from pooling around the slab. Planning the correct levels before the concrete is poured helps protect both the slab and the surrounding area.

The required slab thickness depends on what it will support. Choosing the right thickness from the beginning helps ensure the slab performs as intended for years to come.

Many concrete slabs include reinforcement to improve strength and durability. The amount and type required depend on the expected load, slab dimensions and intended use.

Think about how the space may be used in the future. Planning ahead for a pergola, outdoor kitchen, workshop or studio can help avoid costly changes later.

Concrete Slab Pricing

What Affects the Cost of a Concrete Slab?

No two slab jobs are exactly the same. The final cost depends on the size and purpose of the slab, site preparation, access, reinforcement and the amount of concrete required. A site visit allows us to assess these properly before preparing your quote.
01

Size & Thickness

How much concrete is required
The overall area, required slab thickness and concrete volume all influence the final cost.
02

Site Preparation

What needs to happen before the pour
Excavation depth, ground conditions, removal of unsuitable material and the amount of base preparation required can all affect labour, disposal and material costs.
Concrete
Reinforcement
Compacted Base
Ground
03

Access

How we reach the area
Easy access can simplify the job, while restricted sites may require different ways of moving materials and placing concrete.
05

Concrete & Finish

The concrete specification
The required concrete mix and surface finish also contribute to the overall quote.
04

Reinforcement

What the slab needs to support
Reinforcement requirements depend on the slab's intended use, size and site conditions.
SITE VISIT & QUOTE

A site visit gives us the full picture

We’ll assess the area, access and slab requirements during a free site visit, then provide a clear quote based on the work required.
Book a Free Site Visit →
FAQS

FREQUENTLY
ASKED QUESTIONS

Find answers to common questions about our concrete services, pricing, and process.

The cost of a concrete slab depends on the size, thickness, site access, excavation required and how the slab will be used. A small shed slab will generally cost less per job than a larger patio, workshop or structural slab. DENZ provides free site visits across Melbourne so we can inspect the area, discuss what you need and provide an accurate quote.

Many concrete slabs use reinforcing mesh to help strengthen the concrete and control cracking. The type of reinforcement required depends on the slab size, thickness and intended use. Our concreting services can include excavation, base preparation, formwork, reinforcement, concrete placement and finishing.

It depends on what the slab is being used for. A garden shed or light-use area may have different requirements to a garage, workshop, spa or slab carrying heavier loads. We assess the intended use, ground conditions and relevant requirements before recommending the appropriate slab thickness and reinforcement.

Yes. Good preparation is an important part of a quality concrete slab. Depending on the site, this can include excavation, levelling, compacting the ground, installing a crushed-rock base, setting formwork and positioning reinforcement before the concrete is poured.

If you're replacing damaged existing concrete, we can also discuss concrete removal and repairs as part of the job.

We install concrete slabs for sheds, patios, outdoor entertaining areas, workshops, garages, spas and other residential or commercial uses across Melbourne. If you're improving more than one part of the property, we can also help with concrete pathways, landscaping and other property works.

Smaller concrete slabs can often be prepared and poured within a couple of days, although every site is different. Excavation, access, slab size, weather and the amount of preparation required can all affect the timeframe. We'll let you know what to expect before work begins.

For larger concrete areas, you can also view our driveway concreting services.

In many cases, yes. Limited access doesn't automatically rule out a concrete slab. We assess how excavation equipment, materials and concrete can reach the area and work out the most practical approach for the property. A site visit is the easiest way for us to check access before quoting.

Yes. The right finish depends on where the slab is located and how visible it will be. Plain concrete is a practical choice for many sheds and utility areas, while coloured or decorative finishes can work well for more visible outdoor spaces. For areas where appearance is a priority, you can also explore our exposed aggregate concrete options.

Not every concrete slab requires council approval, but it depends on the size, location and what will be built or installed on it. A slab for a small garden shed can have different requirements to a garage, larger structure or other permanent addition. Requirements can also vary between Melbourne councils, so it's worth checking what applies to your property before work begins.

If you're planning other concrete work around the property, see our concrete driveways and concrete pathways services.

Yes. If an existing slab is badly cracked, uneven or no longer suitable for its intended use, removal and replacement may be the better option. We can assess the existing concrete, remove it where required, prepare the area and install the new slab.

For smaller areas where full replacement may not be necessary, take a look at our concrete repairs service or contact us to arrange a free site visit in Melbourne.

Concreter screeding a plain concrete driveway in Melbourne | DENZ Concrete

PLANNING A CONCRETE SLAB?

Tell us what the slab will be used for and where it needs to go. We’ll assess the site, explain the requirements and provide a clear quote for your concrete slab.