Assess & quote
Site visit, plan review and Dial Before You Dig. One clear quote covering dig, cartage and cleanup.
Chatswood is a high-rise CBD on the sandstone ridge, apartment towers and older homes where basements and pools hit rock. 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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From a knock-down rebuild to a new estate pad, each service has its own page with the detail.
Chatswood sits about 10 kilometres north of the city. Locals place it by Chatswood Chase, Westfield Chatswood, Chatswood station and metro and The Concourse. It's ringed by Artarmon, Willoughby, Roseville, Lane Cove North and Chatswood West. What's changing: knock-down rebuilds, pools and basement garages on the steep blocks, and apartments near the centres.
Most of Chatswood is federation and interwar homes with harbourside apartments, with heritage pockets, over by Chatswood Chase. Near Chatswood Chase, knock-down rebuilds are the running theme. Day to day around Artarmon that's basement digs, pool digs and knock-down rebuild site cuts.
Chatswood, near Chatswood Chase, is on Hawkesbury sandstone with rock close to the surface on steep harbour slopes. Around Westfield Chatswood a Chatswood dig hits sandstone in the first metre, sawn at the edges so the neighbour's ground stays put and broken in the middle. Around Willoughby, the clay is reactive, so fill goes in in compacted layers.
In Willoughby City Council, Chatswood around Chatswood Chase sits under tree protection controls, so the dig follows the approved plans. Access to Chatswood is off the Pacific Highway or Victoria Avenue; the slope is worked in benches with retaining, near Artarmon.
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.
Chatswood and the streets around it, from the older estates to the new blocks.
From the older streets to the newer blocks, Chatswood and the suburbs around it. If you're anywhere in the Chatswood area, we can get to you.
See the whole North Shore →It depends on the volume of material, the ground (hawkesbury sandstone with rock close to the surface on steep harbour slopes), 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.
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.
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.
Almost certainly. Hawkesbury sandstone with rock close to the surface on steep harbour slopes. Sandstone is at or near the surface across the North Shore, so pools, basements and garage cuts are rock jobs from the start: sawn at the boundaries, broken in the middle, carted as rock. It’s in the quote from the first site look.
Vibration through sandstone is real and the North Shore blocks are close, which is why boundary edges are sawn rather than broken, hours are kept to council limits, and a dilapidation report on the neighbours is standard before work starts. Monitoring is set up where the engineer requires it.
Yes. Mini machines are craned over the house or walked through it, and rock comes out the same way in bins or by conveyor. Slower than a side-gate job and priced for it, but it’s how most lower North Shore pools get dug.
Yes, and it’s a common harbour-slope job. The rock is sawn at the house footing line and the boundaries and broken out in stages to the engineer’s underpinning and shoring sequence, so the house above stays where it is.
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.
Tell us about the job. We'll look at the site before quoting, so you know what's included before anything starts.
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