Build.On vs ST Construct
An independent, side-by-side look at two of our building partners to help you understand your options.
Last updated June 2026 · reviewed by the BuildPilot team
Custom Builder
Project Builder
Note: BuildPilot partners with both builders. This comparison provides factual information to help you understand your options. It's not a recommendation of one over the other. The right builder depends on your specific needs, budget and preferences.
At a glance
- Build.On is a custom builder; ST Construct is a project builder.
- Indicative build rates: Build.On $2,200 - $3,500/sqm, ST Construct $2,300 - $3,200/sqm (per sqm guide only).
- Build.On is based in Adelaide (SA); ST Construct in Adelaide.
Quick Comparison
About Each Builder
Build.On
Bespoke Luxury Homes, Renovations & Knockdown Rebuilds
Adelaide-based licensed builder (BLD 338556) covering Adelaide, the Barossa and the Riverland. Specialists in bespoke luxury homes, major renovations, residential extensions and knockdown rebuild projects with fixed-price quoting.
Often suited for:
Bespoke, end-to-end project management from demolition to completion
Fixed-price quoting consolidating demolition and construction
ST Construct
Adelaide Construction Specialists
Professional construction services across Adelaide, specialising in quality residential builds.
Often suited for:
Quality-focused residential designs
Professional construction management
How Do I Choose?
There's no "better" builder. There's only the builder that's right for your situation. Consider these factors:
- 1Your budget and priorities
Different builders suit different price points. Think about what matters most: price, inclusions, customisation or service.
- 2Your land and location
Some builders specialise in certain areas or challenging sites. Consider who builds in your area and has experience with your block type.
- 3Your design requirements
Do you want to heavily modify a plan, or are you happy with standard designs? Different builders offer different levels of flexibility.
- 4Visit display homes
Nothing beats seeing their work in person. Visit display homes from both builders to compare quality and style firsthand.
Build.On vs ST Construct: common questions
Is Build.On or ST Construct more affordable?
As an indicative per-square-metre guide, Build.On sits around $2,200 - $3,500/sqm and ST Construct around $2,300 - $3,200/sqm. These are guides only - your real price depends on your design, inclusions, site costs and the current market, so get a written quote from each before comparing.
Which has been building longer, Build.On or ST Construct?
Build.On was established in Adelaide based and ST Construct in Adelaide based.
Where does each builder operate?
Build.On is based in Adelaide (SA) and services South Australia. ST Construct is based in Adelaide and services South Australia.
What warranty does Build.On and ST Construct offer?
Build.On offers a standard structural warranty, and ST Construct offers a structural warranty. Warranty terms can change, so confirm the current details directly with each builder.
Who is Build.On best suited to?
Build.On is often a good fit for custom design, luxury homes, knockdown rebuild, renovations & extensions. Bespoke, end-to-end project management from demolition to completion
Who is ST Construct best suited to?
ST Construct is often a good fit for quality residential, adelaide metro, professional service, attention to detail. Quality-focused residential designs
Need Help Deciding?
BuildPilot can help you understand which builder might suit your specific situation. We work with both Build.On and ST Construct. Our job is to help you make the right choice for you - not push you toward whichever builder pays the most.
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