Why a Lump-Sum Replacement-Builder Quote Is Usually Not Enough

The assessor cannot see the composition

A quotation stating complete residence for $280,000 does not show which original contract items remain, what quantities were measured or which first-builder defects are included. It also hides provisional risks and owner changes.

Without a breakdown, the insurer may substitute its own assumptions or request repeated clarification.

Takeover work contains different cost drivers

Site establishment, investigation, temporary protection, certification recovery and concealed-condition allowances are not ordinary trade completion items. Defect repair may require demolition and reinstatement that was never priced in the first contract.

Each driver should appear separately so its necessity can be assessed.

Quantities make the price testable

Identify metres of flashing, square metres of lining, number of fixtures, affected openings, labour hours, plant, testing and specialist attendance. State rates or explain how the lump within a work package was developed.

Where exact quantities depend on opening-up, use a clear provisional sum with the basis and adjustment method. Do not conceal uncertainty inside an unexplained contingency.

The quote should map to evidence

Every line should reference an issue number or contractual work package. Include scope, methodology, exclusions, assumptions, GST, programme and quotation validity. Separate owner-funded improvements.

The insurer may still assess a different reasonable cost, but a transparent quote gives the owner a basis to understand and challenge the difference.

Practical takeaway: A detailed quotation does not guarantee payment. It gives the insurer enough information to make an itemised decision rather than discount an opaque total.

How ARK Houses can help

ARK Houses provides quantified recovery quotations rather than an unexplained completion total. Each line can be traced to a contract work package or defect issue, with access, testing, provisional risks, reinstatement, margin and GST shown clearly.

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