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Licensed excavation, Hornsby
Excavation & Earthworks Hornsby
Hornsby is the sandstone plateau’s main town, a CBD of towers over rock where basements and pools mean rock excavation. The regular jobs here are basement digs, pool digs and knock-down rebuild site cuts. Services located first, sites left level and clean.
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✓ Licensed operators
✓ Dial Before You Dig
✓ Fully insured work
✓ Local Sydney crew
Rock
Digs handled
Mini to 35t
Machine range
4.9★
Average rating
Free
Site quotes
What we do in Hornsby
Excavation for every Hornsby job
From a knock-down rebuild to a new estate pad, each service has its own page with the detail.
Excavation in Hornsby
What's different about digging in Hornsby
Hornsby, in short
Hornsby sits about 25 kilometres north-west of the city. You'll recognise it by Westfield Hornsby, Hornsby station, Hornsby Quarry and Ku-ring-gai Chase nearby. It's ringed by Normanhurst, Thornleigh, Waitara, Asquith and Mount Colah. What's changing: high-rise apartments around the CBD, and knock-down rebuilds on the sandstone blocks.
The houses, and what they need
Most blocks in Hornsby, around Westfield Hornsby, are interwar and postwar homes with a CBD of high-rise apartment towers. Near Westfield Hornsby, duplex and unit sites cluster near the centres. On a Hornsby block that usually means basement digs, pool digs and knock-down rebuild site cuts.
The ground under Hornsby
Out toward Westfield Hornsby, Hornsby sits on Hawkesbury sandstone plateau with rock close to the surface and steep bushland gullies. On the Hornsby blocks toward Hornsby station the rock is shallow, so pools, piers and basements are sawn clean and broken rather than dug. Around Thornleigh, the clay is reactive, so fill goes in in compacted layers.
The council, access, and getting to you
Hornsby is Hornsby Shire Council ground; near Westfield Hornsby, bushfire and tree protection controls apply and we dig to the approved plans. The Hornsby crew comes in off the Pacific Highway or Pennant Hills Road, where the fall has to be benched and retained.
How it runs
First call to clean handover
Every job follows the same sequence, whether it's a single trench or a full site cut.
A trench can be a day, a basement can be weeks. Dates come with the quote, not after.
Where we work
Where around Hornsby we dig
Hornsby and the streets around it, from the older estates to the new blocks.
Ryde & Hornsby
Excavation across Hornsby
From the older streets to the newer blocks, Hornsby and the suburbs around it. If you're anywhere in the Hornsby area, we can get to you.
See the whole Ryde and Hornsby area →Recent work
Sites we've dug
Penrith Site cut
Castle Hill Pool dig
Ryde Basement
Liverpool Civil
“Very easy to deal with.
Excellent communication” Priya, Penrith
Excellent communication” Priya, Penrith
“Left the site spotless.” Dave, Castle Hill
“Would definitely recommend them!” Marcus, Ryde
“Great job thanks so much.” Lauren, Liverpool
“Very easy to deal with. Excellent communication” Priya, Penrith “Left the site spotless.” Dave, Castle Hill “Would definitely recommend them!” Marcus, Ryde “Great job thanks so much.” Lauren, Liverpool
“Very easy to deal with. Excellent communication” Priya, Penrith “Left the site spotless.” Dave, Castle Hill “Would definitely recommend them!” Marcus, Ryde “Great job thanks so much.” Lauren, Liverpool
Excavation in Hornsby, answered
How much does excavation cost in Hornsby?
It depends on the volume of material, the ground (hawkesbury sandstone plateau with rock close to the surface and steep bushland gullies), access for the machine and how far spoil has to be carted. Every job gets a written quote after a site look, with the dig, cartage and cleanup spelled out, so you know what’s included before anything starts.
Do I need council approval before you dig in Hornsby?
Usually, if the excavation is part of a build. Cut and fill beyond set limits, work near boundaries and anything on a lot with a flood, bushfire or heritage overlay needs approval as part of the DA or CDC. We work to the approved plans; check with your certifier before the dig is booked.
How long does an excavation job take in Hornsby?
A trench, pool dig or single pad is a day or two; a knock-down site cut or a basement runs longer and depends on volume, ground and weather. Dates come with the quote, not after.
Is there rock in Hornsby?
Yes. Hawkesbury sandstone plateau with rock close to the surface and steep bushland gullies. On the river slopes, in the gullies and across the Hornsby plateau, sandstone is usually within the first metre. It’s sawn at the boundaries and broken out, and it’s in the quote when the site look finds it.
My Hornsby block is clay at the front and rock at the back. How do you price that?
That’s the most common ground in this region and it’s priced as two jobs: clay cut and compacted fill on the ridge side, saw and breaker where the block drops into rock. The site look finds where the change is so it’s in the quote from the start.
Do you dig apartment basements in Hornsby?
Yes. Basements in Hornsby go through shale into sandstone, are sawn at the boundaries and dug in stages to the shoring engineer’s sequence, with creek groundwater planned for from the geotech. Spoil is trucked on a schedule so the street stays clear.
My Hornsby block backs onto a bush gully. Does that change things?
Usually three ways: the back of the block is sandstone and steep, the bush carries a bushfire rating, and the trees are protected. The cut is benched, retaining is planned in, and the clearing and asset protection zone are done to the approved plan.
Why do slabs and driveways crack around Hornsby?
Reactive clay. It swells in wet winters and shrinks in dry summers, and anything poured on loose or uncompacted fill moves with it. A pad cut and filled in compacted layers to the engineer’s spec is what stops the new slab doing the same thing.
What happens next
Tell us the job. We'll size it up.
✓ Tell us the suburb, the access and what needs digging
✓ We'll come out and look before quoting anything
✓ You'll get a written quote with what's included spelled out
✓ The machine's matched to your access, not whatever's free
✓ Clear on spoil, cartage and cleanup before we start
✓ No obligation, no pressure
Free quote
Ready to get your dig underway?
Tell us about the job. We'll look at the site before quoting, so you know what's included before anything starts.
✓ Written quote after a proper site look
✓ Free quote after a proper site assessment
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