Expert Granny Flat & Extension Slabs Perth

Quotes in 24 Hours!

Solid, engineered concrete slabs for granny flats and home extensions across Perth and 40km.

No decorative gimmicks. No mucking about. Just structural concrete done right, with a free on-site quote in days.

Your Granny Flat Slab Experts

Structural Concrete You Can Rely On

From site prep to final pour, we deliver reinforced slabs that are level, solid and built to your engineer's spec. A great slab is the foundation your whole build sits on, so we get it right the first time and stand behind every job.

Easy To Deal With

Straight answers and no runaround. You deal with Charlie direct, not a call centre, from first call to final pour.

Free Quote In Days:

Send us your slab details and we will come out, measure up and get you a clear, no-obligation price in days, not weeks.

Reinforced & Built To Last

Properly steeled and poured to engineer's spec, so your granny flat or extension sits sound for decades.

Local Perth Operation

A locally owned and operated family business serving Perth metro plus a 40km radius, and South West WA on request.

Comprehensive Concrete Slab Services

At Caldow's Concrete Solutions we pour more than granny flat slabs. From extension footings to shed and house slabs, we provide a full range of structural concreting designed to add strength, function and value to your property.

Granny Flat Slabs

Reinforced, engineered slabs ready for your secondary dwelling or studio build.

Extension Slabs

New slabs tied cleanly into your existing home for room and living-area additions.

Extension Footings

Footings poured to your engineer's requirements, ready for the trades.

Shed + Garage Slabs

Strong, level foundations for sheds, workshops and garages.

House Slabs

Solid bases for new homes and larger builds.

Hardstands & Slab Repairs

Workshop hardstands plus replacement of cracked or aged slabs.

Hear From Our Clients

Granny Flat & Extension Slabs Built To Carry The Load

our granny flat or extension is only as good as the slab under it. At Caldow's we specialise in structural slabs that are level, reinforced and poured to spec, so your builder can frame up on a base they can trust.

New Slabs + Footings - Whether it is a fresh granny flat or an extension off the back, we pour the base your build needs.

Built To Engineer's Spec - Properly steeled and finished for long-term durability with no movement or cracking.

Coordinated With Your Builder - We work in with your program so the slab is ready when the trades are.

Practical. Stylish. Built Right.

Whether it is a slab for your granny flat, footings for an extension or a base for the shed, Caldow's delivers results built to last. More than just concrete, we provide reliable structural foundations that your build, and your value, depend on.

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Level & True

Slabs set out dead level so your frame goes up clean and square.

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Low Fuss

A clear process and a straight price. We turn up, do the work, and leave you a solid slab.

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Adds Real Value

A properly poured slab is the foundation that protects your whole investment.

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Flexible Options

Granny flats, extensions, footings, shed or house slabs, matched to your needs.

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Reliable Scheduling

Once you are booked in, your pour is locked in. No waiting around.

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Peace of Mind

A local, owner-run team with a clear process from first call to final cure.

Trusted Granny Flat & Extension Slab Specialists.

Proven Results.

With a focus on structural concrete and a commitment to quality, Caldow's Concrete Solutions has built a reputation across Perth and the surrounding areas. Our track record speaks for itself:

Slabs engineered and reinforced to spec

Honest, no-obligation quotes done on site

A local, owner-run team that turns up and gets it done

100+

Slabs Poured

100%

Owner-Quoted Jobs

100%

Reinforced To Spec

150+

Happy Clients across Perth and surrounds

What You’ll Love About Our

Granny Flat and Home Extension Concrete Services?

Engineered Granny Flat Slabs

Level, reinforced slabs poured to your engineer's drawings, ready for the frame.

Tied-In Extension Slabs

New slabs and footings that integrate cleanly with your existing home.

Quality FInished

Premium concrete and proper workmanship that delivers a sound base every time.

Reliable Service

  • Fast on-site quotes, clear communication and pours completed on time.

A no-fuss experience from first call to final pour

Why Our 3-Step Process is Efficient and Easy?

1. Request a

Quote

Reach out with details about your slab. Send through photos and rough dimensions and we will get straight back to you.

2. Site Inspection & Final Quote

We come out, assess the site and ground conditions, and give you a clear, itemised final price on site, in days.

3. Schedule Your Pour

Once you approve the quote, we lock in your start date. A deposit secures your booking and then we prep, steel and pour.

At Caldow's Concrete Solutions we keep the whole process straightforward, honest and efficient.

Our approach saves you time, takes the guesswork out, and makes sure your slab is poured with precision and a finish your builder can frame straight off. No drawn-out waiting, no surprises, just solid concrete done right.

Solid Foundations.

Get a Free Quote.

From granny flat slabs to extension footings and house slabs, we take care of the lot with precision and reliability. Tell us what you are building and we will come measure up.

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Proudly serving Perth and Surrounds