The funding gap hidden by a net figure
A feasibility can show civil works less an infrastructure offset and make the project look comfortably funded. The contractor, however, may invoice before any charge reduction is applied or refund is received. Start with the gross obligations and only then map the proposed offset. The decision is not whether offsets exist in principle. It is whether this project has an established entitlement, an agreed valuation and a usable timing position. Until those matters are supported, the claimed benefit belongs in a conditional scenario rather than available cash.
Confirm which network and authority you are dealing with
The Queensland Government infrastructure guidance describes offsets or refunds against trunk infrastructure supplied through development conditions. It does not make every site servicing expense recoverable. Ask the civil engineer to identify the exact asset, network and relevant authority for the proposed work. Separate Council items from water and sewer provider requirements. If your estimate bundles frontage work, internal services and a trunk item together, require a scope split before anyone applies an offset to the entire civil contract.
Retrieve the actual Brisbane documents
Brisbane City Council explains its offset and refund arrangements and links the prescribed forms. Its current page identifies Charges Resolution No. 15 of 2026 as commencing on 1 July 2026. Ask the planner which instrument applies to your approval and ICN, rather than assuming the newest resolution automatically replaces the project’s position. Obtain the complete notice, relevant conditions and any infrastructure agreement. Record document identifiers and versions so the estimator’s net-cost assumption can be traced to the actual project.
Keep eligibility, valuation and timing in different columns
A single spreadsheet cell labelled offset approved is too blunt. Use separate columns for the claimed item, basis for eligibility, establishment-cost or other valuation evidence, formal amount, application status and timing. Council’s page distinguishes several prescribed processes, including applying for an offset or refund using Form I and Checklist I. Your advisers should identify the correct process for the actual case. A submitted form is not a decision. A supported valuation is not a date on which cash can be drawn from the bank.
Use a gross-cash scenario before taking credit
For a practical test, assume the civil contractor reaches its first payment milestone while the offset request is still being assessed. Show who funds the invoice, the GST treatment to be checked by the accountant and any lender evidence required for a draw. Then test a later outcome in which the confirmed benefit reduces an infrastructure charge rather than producing a contractor reimbursement. These are illustrative timing scenarios, not statements of Council’s decision. Their purpose is to reveal whether the project needs funding even when its eventual net cost appears acceptable.
Avoid counting the same benefit twice
Compare the civil estimate, infrastructure charge allowance, proposed offset and any expected refund line together. Ask the quantity surveyor or civil estimator to identify where each dollar of work sits. If a charge allowance has already been reduced, do not also book the same expected offset as income without reconciliation. Keep demand credits and discounts separate from trunk-work offsets because they arise from different inputs. Have the planner and accountant review the bridge between the statutory amount and the commercial feasibility instead of treating all reductions as one generic credit.
TPC deal lens: release assumptions on evidence
You are not expected to assess infrastructure entitlement yourself. Require a written engineer scope, planner reconciliation and Council confirmation of the applicable process. Save open valuation and timing questions with the funding forecast, and update it when an actual decision arrives. If the entitlement is essential to paying for works, resolve funding before committing to an unconditional procurement programme. Key takeaway: a potential net-cost benefit does not remove the need to fund gross cash outflows. Your turn: would your project remain funded if the expected offset arrived later or reduced a charge instead of paying an invoice?
Practical decision checklist
- Separate trunk items from internal and utility works.
- Reconcile the ICN, resolution and any agreement.
- Record eligibility, valuation and timing independently.
- Model gross contractor payments before counting a benefit.
- Confirm funding and prevent double counting in the feasibility.
Image credit: Sasun Bughdaryan / Unsplash. Illustrative photograph. Source · Licence Cropped and resized from the original; no content retouching.
Sources and boundaries
Sources checked 6 November 2026.
- Brisbane City Council — Infrastructure charges — Current local resolution, prescribed forms, offset and refund process.
- Queensland Government — Infrastructure charges — State framework; not a site-specific offset decision.
Brisbane City Council trunk infrastructure offsets and refunds only, using its current charges guidance. Other Queensland councils and separate water or sewer providers have their own instruments. No offset, refund amount or payment date is established for a specific project. Checked 6 November 2026. No site-specific entitlement or outcome is determined.
General educational information only, not personal financial, tax, legal, planning, building or engineering advice. Ask the named qualified specialist to confirm current requirements for your site and circumstances.
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Frequently asked questions
Is all civil work eligible for an offset?
No assumption should be made. Have the engineer identify the trunk item and Council confirm the applicable entitlement and process.
Does lodging Form I prove an entitlement?
No. An application and its checklist are inputs to the process, not a confirmed decision.
Is an offset the same as a refund?
Do not combine them in the cash forecast. Confirm how the project benefit is applied and when any payment occurs.
Can I apply Brisbane guidance to another council?
No. Obtain that council’s applicable resolution, notice and processes, and check separate utility requirements.
What should students check before funding civil works?
The gross contractor payments, actual charge obligations, confirmed benefit and timing, with a funded plan for any gap.

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