Independent, ad-funded·No sponsored posts·Every article editor-reviewed
Premium Policy Plans
Read the policy before you need it

Claims & Disputes

Why An Adjuster Estimate Differs From A Contractor Quote

Two documents priced from the same damage routinely differ, and the gap usually comes from scope, pricing databases and overhead rather than from bad faith.

A black and white photo of a wrecked car on an urban street, highlighting vehicle damage.
A black and white photo of a wrecked car on an urban street, highlighting vehicle damage. · Photo via Pexels
Financial information notice. Analysis and education — not personalised financial advice. Read the full disclaimer.

A policyholder holding an insurer's estimate and a contractor's quote for the same damage is usually looking at two very different numbers. The reasons are structural and mostly identifiable line by line.

Scope is the largest source of difference

Scope is the list of operations required. Two documents can price identically and still differ by a wide margin because one includes steps the other omits.

Common omissions include content manipulation, protective measures, detaching and resetting fixtures, and the labour of matching finishes across an undamaged adjoining area.

Comparing totals reveals nothing useful. The comparison that matters is operation by operation, which is why estimates are produced in line-item form.

Pricing databases and how they are built

Insurer estimates are usually written in software that carries regional unit prices for labour and materials, updated periodically from market surveys.

Those prices reflect averages across a region, so they lag in a market where demand has spiked and they can understate specialist work that is rare locally.

Contractors price from their own costs and current supplier quotes, which is why the gap widens sharply in the months after a regional catastrophe.

Overhead and profit as a line item

General contractor overhead and profit is a separate allowance, applied where a job requires coordination of multiple trades rather than a single repair.

Insurers apply it according to internal rules, often triggered by the number of trades involved, and omission of it is a frequent and correctable difference.

Where the settlement is on replacement cost with recoverable depreciation, the sequencing of these allowances also affects what is paid initially and what is held back.

Supplements and how the gap closes

Estimates are expected to change. Hidden damage found once work begins is handled through a supplement, supported by photographs and an explanation of what was uncovered.

Supplements are ordinary practice rather than a dispute, and most repairs of any size generate at least one.

The important discipline is documenting conditions before they are covered up, since a supplement without evidence of what was found is difficult to justify.

When the difference is genuinely a dispute

Where scope, pricing and overhead have all been reconciled and a material gap remains, the disagreement is about the amount of loss.

That is the situation the appraisal provision exists for, and invoking it is usually faster than continuing to exchange revised estimates.

Estimating standards, overhead practices and dispute mechanisms vary by insurer and jurisdiction and change over time, so the policy wording governs the process.

Grace Mbeki
Editor, Premium Policy Plans

Grace worked as a claims adjuster for eight years. She writes the article she wishes policyholders had read before they called her.

More from Grace →

Also by Grace Mbeki

Auto Insurance

The annual auto policy review

Twenty minutes with the declarations page, once a year, catching the coverage drift that nobody notices otherwise.

Grace Mbeki··3 min read

Auto Insurance

Non-renewal, cancellation and getting dropped

The difference between the two matters, the notice requirements are regulated, and there is more you can do about it than most people realise.

Aisha Rahmani··3 min read