How to Structure a Quantified Completion and Rectification Quotation

Begin with project-wide costs

State site establishment, supervision, safety, temporary services, protection, waste, access and programme assumptions. Explain which costs are fixed, time-related or dependent on the insurer's sequencing.

Avoid spreading overhead invisibly across trade lines if that prevents comparison. Show builder's margin and GST consistently.

Organise by category and location

Separate incomplete work, first-builder defects, consequential damage and owner changes. Within each category, group by trade or building area while retaining issue references.

For duplexes, identify costs by unit where possible. This assists policy and dwelling-limit assessment.

Describe the complete task

Each line should include investigation where needed, removal, disposal, preparation, compliant installation, testing, certification and reinstatement. A price to fix waterproofing is incomplete if it omits tile removal, substrate repair, flood testing and retiling.

State products or performance requirements where known and identify design or engineering dependencies.

Make uncertainty explicit

Use provisional sums for genuinely unquantifiable concealed work, with a clear trigger and evidence required for adjustment. List exclusions and assumptions, including access hours, existing services, material availability and approval status.

Provide a schedule of rates for likely variations. This allows urgent or discovered work to be valued without renegotiating the entire contract.

Practical takeaway: The best quotation enables a third party to understand what will be done, where, why, how much and under what assumptions.

How ARK Houses can help

ARK Houses structures its completion and rectification proposal as both a construction methodology and a cost model. That allows the owner and insurer to understand what will be done, where, why, under which assumptions and at what price.

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