Quantity Surveyor Adelaide

Cost Control From Feasibility to Final Account

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Adelaide & South Australia

Quantity Surveyor Adelaide — Independent Cost Management for Your Build

An estimate tells you what a project should cost on day one. A quantity surveyor in Adelaide makes sure it still costs that on the day you settle the final account.

Matrix Estimating provides independent quantity surveying across Adelaide, the Hills and the Fleurieu — cost plans at feasibility stage, bills of quantities for tender, progress claim assessment during construction, and variation review when the scope moves. We work for the party paying the bills, not the party issuing them.

Scope of work

Our Quantity Surveying Services in Adelaide

We can pick up a project at any stage, or run cost management end to end.

  1. Feasibility & Cost Planning

    Before you commit, we test whether the numbers work. Elemental cost plans built from real Adelaide rates tell you what the scheme costs and where the money goes, so you can adjust the design while changes are still cheap.

  2. Bills of Quantities & Tender Documentation

    A measured BOQ puts every tenderer on the same scope, so the prices you get back are genuinely comparable. It removes the guesswork from bid analysis and takes the scope-gap arguments out of the job before they start.

  3. Tender Review & Contractor Selection

    We assess submitted bids line by line against the documentation, flag underpriced items that will come back as variations, and give you a written recommendation you can put in front of a board or a lender.

  4. Progress Claim Assessment

    We check what the contractor has actually built against what they have invoiced, and certify the amount properly payable. You pay for completed work, not for optimism.

  5. Variation & Change Assessment

    When scope moves — and it will — we price the change independently and confirm whether the claim is valid and the rate is fair before it lands in your budget.

  6. Cost Reporting Through Construction

    Regular cost reports showing committed spend, forecast final cost and remaining contingency, so a problem shows up in a report months before it shows up in your bank account.

  7. Final Account Settlement

    We reconcile the whole job at completion — contract sum, variations, provisional sums, prime cost items — and negotiate the closing position so the project ends cleanly.

Common question

Do I Need a Construction Estimator or a Quantity Surveyor?

They overlap, but they answer different questions. Most Adelaide clients need one clearly more than the other.

Construction Estimator

“What will this cost to build?”

  • One-off pricing before you start
  • Quantity take-offs from your drawings
  • Fast turnaround for tender or finance
  • Best for builders, tradies, renovators and owner-builders
Construction Estimator Adelaide
Quantity Surveyor — this page

“How do I control cost across the whole job?”

  • Ongoing role from feasibility to final account
  • Cost plans, BOQs, progress claims, variations
  • Independent certification you can give a lender or board
  • Best for developers, owners, architects and contract administrators

Not sure which fits? Send us the drawings and we’ll tell you straight.

Local market

Quantity Surveying Built on SA Rates and SA Contract Conditions

Adelaide is a smaller market than the eastern capitals, and that changes the cost picture rather than simplifying it. A shorter list of head contractors means less competitive tension on tender day, so a properly measured bill of quantities does more work here than almost anywhere — it’s often the only thing keeping three bids genuinely comparable. Defence and infrastructure work draws the same trades and plant that residential and commercial builders need, and that shows up in rates well before it shows up in any published index.

Then there’s the building stock. Stone and masonry through the inner suburbs, heritage overlays across North Adelaide and the eastern councils, and reactive clay soils that drive footing designs and costs that a national rate book simply won’t capture.

There’s a procedural layer too. Progress payments in SA operate under the Building and Construction Industry Security of Payment Act, which sets strict timeframes for payment claims and responses. Missing a deadline can cost you the right to dispute an amount. We assess claims against the contract and the programme so you respond on time and on solid ground.

Independent numbers. SA rates. No surprises at final account.

Talk to us

Contact Us Today

Whether you’re testing a site’s feasibility, about to go to tender, or halfway through a build and losing sight of where the money is going, we can help. Send us what you have and we’ll tell you what’s worth doing.

Instant support
+61 415 798 401 — 8:00am–5:30pm, 7 days
Email efficiency
info@matrixestimating.com.au — send plans, response within 24 hours
We work on
Residential developments · Commercial · Fit-outs · Heritage & renovation · Detached housing
Send Us Your Plans
South Australian landmarks including the Adelaide skyline and coastline
Just need a price?

Looking for a Construction Estimate Instead?

If you only need to know what an Adelaide project will cost to build — no ongoing cost management — our estimating service is the faster, cheaper option.

Construction Estimator Adelaide

Recently Completed Projects

To learn more about each project in our gallery, simply click the "i" icon located under the project image. This will provide you with detailed information and insights about the project.

TAFE NSW
New Residential project
Stairs
Mixed-Use Development
House Extension

Why Choose Us?

Estimating software icon

Measured Properly

At Matrix Estimating, we use leading estimating software to deliver exceptional accuracy and detail in every cost plan and bill of quantities. We take great pride in our advanced 3D quantity take-offs — an intuitive alternative to traditional 2D methods that provides a clearer picture of your project's scope. Every measured item can be traced back to the drawings, so you can check what has been measured, where it occurs and exactly what is included. That traceability is what makes a progress claim or a variation defensible when someone questions it.

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Experience

At Matrix Estimating, we leverage our 20 years of local experience in the construction industry to deliver the most precise cost advice possible. Our deep understanding of the South Australian market means our cost plans reflect what trades are actually charging in Adelaide right now — not a national average. Experience the confidence of partnering with an independent quantity surveying team that understands your industry and is dedicated to helping you achieve your goals.


Our Reviews

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Gouri Cheruvu profile picture
Gouri Cheruvu
18 June 2026
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Cormac was indeed very helpful - providing a detailed construction price range so we knew where to begin by way of commencing our budgeting process. Not many QSs provide such goodwill. Highly recommended
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Roger White profile picture
Roger White
3 June 2026
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Cormac and team did a very thorough job on a tight timeframe. Very happy with the work.
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Tobin delaney profile picture
Tobin delaney
23 May 2026
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I recently engaged Cormac to assist with estimating a large residential construction project and was genuinely impressed. His work was thorough and detailed — every line item was considered, nothing was glossed over, and the output gave me real confidence going into the quoting stage. He was also generous with his time, happy to walk through his methodology and answer questions without rushing. That kind of transparency is rare and genuinely useful when you're trying to understand the numbers, not just receive them. I'd recommend Cormac without hesitation to anyone needing accurate, professional estimating on significant volumes of construction work.
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Imogen Scuteri profile picture
Imogen Scuteri
14 April 2026
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Cormac’s advice stood out to me for being clear, honest, and refreshingly transparent, exactly what I was looking for as a person in need of his excellent building knowledge. He took the time to help me understand my options with the situation I was in. This level of care and clarity gave me genuine confidence in the decisions I was making. What I appreciated most was Cormac’s willingness to provide me advice quickly. It made what could have been a stressful experience feel smooth, well-managed, and ultimately very reassuring. I would %100 recommend giving him a call!
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Joshua Cameron profile picture
Joshua Cameron
25 November 2025
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Matrix gave me some excellent advice regarding a development I was considering on a difficult site. Will use again in the future.
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Tan Williams profile picture
Tan Williams
26 October 2025
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Cormac from Matrix Estimating has delivered a high-level estimate that demonstrates both depth and breadth of understanding. While preliminary in nature, the estimate appears to comprehensively cover the full scope of works, giving us a strong foundation for early-stage planning and decision-making. Cormac’s extensive construction knowledge is clearly evident in the way he approaches costings—his ability to translate technical detail into practical, well-structured estimates is a real asset. The breakdowns are clear and logical, with a level of detail that instils confidence in the numbers, even at this early stage. Communication has been seamless throughout. Cormac is responsive, approachable, and easy to engage with via one-on-one Teams meetings. He takes the time to explain his rationale and is open to feedback, which makes the process collaborative and efficient. Upon completion of the project, I am looking forward to comparing actuals V estimate. Highly recommended for anyone seeking a knowledgeable, professional, and easy-to-work-with estimator who brings clarity and confidence to the early stages of a project.
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Matthew Savetta profile picture
Matthew Savetta
15 October 2025
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Highly recommend.
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David Zajdlewicz profile picture
David Zajdlewicz
2 October 2025
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Their advice was clear, honest, and transparent—exactly what I needed as a client. They took the time to explain the details thoroughly, which gave me confidence in the decisions I was making. I really appreciated their professionalism and straightforward communication throughout the process.
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Barry Gilbertson profile picture
Barry Gilbertson
25 August 2025
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I was very pleased with the estimate that Cormac Gray put together for our new build. This will allow me to have confidence in knowing what the final cost of the new house will be and hence arrange finance. Cheers Barry Gilbertson
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Sera Anticevic profile picture
Sera Anticevic
30 June 2025
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We highly recommend Matrix Estimating for anyone needing clarity and confidence around building costs. We engaged Matrix Estimating after receiving a builder’s proposal that lacked a clear cost breakdown, leaving us feeling overwhelmed and unable to make a confident decision about proceeding with our build. Cormac completely changed that by delivering a new, detailed, and categorised estimate that brought structure and transparency to the project. He took the time to walk us through the cost breakdown and clearly explained the underlying methodology, including the assumptions and benchmarks used. This enabled us to make informed budget decisions with a solid understanding of where each cost originated. From the outset, Cormac was professional, responsive, and delivered exactly what we needed. His report met our brief perfectly - easy to interpret, methodically structured, and underpinned by industry-standard metrics and evidence-based logic. Thanks to Matrix Estimating, we’re now in a much stronger position to engage with our builder on a definitive, realistic budget. Cormac listened, supported us through the process, and delivered a service that reflects both technical expertise and practical insight.

Get in touch

Send us your Adelaide project — we’ll tell you what it needs.

Feasibility, tender, mid-build or final account — send us what you have and you’ll get a scoped fee proposal within 1 business day, with no obligation to proceed.

Request a quote

Replies in 1 business day

Takes about a minute. We’ll come back with scope, fee and turnaround.

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No obligation. Your plans stay confidential and your details are never shared or sold.

Call us +61 415 798 401 Straight through to a quantity surveyor Email your documents info@matrixestimating.com.au Drawings, contract or claim — all fine
Office hours
Monday – Friday
8:00am – 5:30pm
Saturday – Sunday
8:00am – 5:30pm
Response time
Within 24 hrs

Next step

Independent cost control for your Adelaide project.

Areas we cover Adelaide metro, the Hills & the Fleurieu
Adelaide metro

Norwood  ·  Parkside  ·  Unley  ·  Unley Park  ·  Prospect  ·  Hindmarsh  ·  Alberton  ·  Port Adelaide  ·  Glenelg  ·  Marion  ·  Morphett Vale  ·  Mawson Lakes  ·  Golden Grove  ·  Salisbury  ·  Gawler

Adelaide Hills & Fleurieu

Mount Barker  ·  Victor Harbor

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