Agreeing reduced work: avoid disputes about omitted work and the final price

1. Establish why the work is being omitted

Can the agreed result be achieved with less material or fewer hours, do you no longer want a component, or has the contractor omitted it without agreement? These are different situations. Record the original performance and desired new position. A contractor who fails to supply the agreed staircase cannot conclude the discussion about non-performance simply by calling it reduced work.

Also record who proposed the change and when. Have items already been ordered, manufactured or installed? A decision before work starts may create a different cost position from cancellation after bespoke production. Keep the discussion and subsequent confirmation. Your adviser should not later have to infer from a general final invoice which component disappeared, when and at whose request.

2. Read the price model for the original instructions

ConsuWijzer distinguishes fixed prices, guide prices and time plus materials. With a fixed price, the mere fact that execution costs the contractor less does not automatically reduce the price. That differs from an agreed change to the work. Therefore first establish what kind of reduction you mean before calculating an amount.

With a guide price or time-and-materials work, accounting for labour and materials has a different relevance. Check rates, actual quantities and any caps. An estimate line may be indicative or part of a fixed package price. Ask what status it has; cutting a figure out of a quotation without considering the whole can produce an incorrect deduction.

3. Request an itemised change proposal

Ask the contractor to describe the work and materials being omitted and the amount they propose to credit. Ask too which costs remain and why. Examples include bespoke items already ordered, preparation or work still needed for other components. This does not make every claimed cost payable, but a specific breakdown enables targeted assessment.

Compare the proposal with the original scope and new working situation. Is only supply omitted, or also installation, finishing and connection? A client may think an entire package is being removed while the contractor means only one material selection. When new work is added at the same time, show the reduction and addition separately. One unexplained net figure often hides the actual disagreement.

4. Examine the consequences of engaging a third party

If you want to do a component yourself or use another firm, record the boundary between the assignments. Who prepares the base, makes connections and repairs damage? After an omission, the first contractor does not automatically remain responsible for everything a third party adds. Conversely, responsibility for their own agreed work does not disappear merely because another party is present.

Also have someone assess whether the change constitutes partial termination on notice or another ending of the engagement. ConsuWijzer distinguishes cancellation from stopping because work is inadequate and notes that savings and costs incurred may matter. The construction-law accounting must fit your contract. Do not therefore use a general promise of free cancellation or a fixed percentage deduction without assessment.

Where the client terminates on notice, Article 7:764 of the Burgerlijk Wetboek (BW, Dutch Civil Code) gives a different accounting rule from termination for breach. The starting point is the price for the entire work, less the contractor’s savings resulting from termination. The amount is therefore not necessarily limited to hours already worked and materials ordered. Where the price depends on actual costs, the law refers to costs incurred, work performed and the profit the contractor would have made on the entire work.

Have the calculation supported by documents: which work is omitted, which costs can still be avoided and which commitments have already been made? This main rule does not prevent a mutually agreed price reduction, but you must know whether the parties are agreeing a change or you are terminating on notice yourself. Do not use cancellation, reduced work and termination for breach as interchangeable labels in your message. Nor is a contractor’s price proposal automatically the correct statutory accounting.

5. Record scheduling, quality and documentation

A smaller work package is not always completed faster. Other firms, lead times and dependencies can change the schedule. Record the new final result and amended milestones. A delayed connection may, for example, prevent an installation being tested at handover. Put these consequences in the change document beforehand so a later complaint does not concern unclear expectations.

Update drawings, materials lists and handover documents where necessary. Ask which guarantee or maintenance instructions apply to each part. The omission must also be recognisable at final inspection: a component agreed not to be supplied differs from forgotten performance. Ensure the confirmation clearly preserves existing arrangements that remain applicable, without unintentionally granting a general release.

6. Check the final invoice and accounting

Put the original contract price, approved additions and agreed reductions in one overview. Link each change to a document and date. Check whether a previously paid component is credited and how this appears on the final invoice. A payment overview is especially important where several instalments and different invoices were used.

If the deduction is disputed, specify the item and calculation you mean and request supporting details. Do not mix that objection with all other handover complaints without an overview. Withholding payment needs its own legal assessment; the reduction you want is not automatically an established counterclaim. Take a collection letter or announced work stoppage to your adviser immediately.

7. Fictional example: the client lays the floor themselves

Suppose a consumer decides halfway through a renovation to lay the floor themselves. The quotation contains one package price for the base, material, laying and skirting boards. The contractor has already ordered the floorboards and must still level the base. Without a further agreement, the consumer deducts the entire package line from the final payment.

A useful preparation separates genuinely omitted work, necessary remaining preparation and costs already incurred. A suitable variation agreement can then be explored. This fictional example establishes no right to a particular deduction. It shows why the package price does not, without explanation, equal the saving after the change.

8. Checklist for a clear reduced-work agreement

Request confirmation before the omitted component is carried out or a third party starts. For a large project, have the variation document legally reviewed. Keep the technical boundary and financial calculation together, so both parties envisage the same amended final result.

• Original scope, price model and relevant quotation item.
• Dated request for omission and status of ordering and execution.
• Breakdown of omitted work, remaining costs and proposed reduction.
• New task boundaries, schedule, drawings and guarantee arrangements.
• Signed confirmation, credit note and overview of instalments paid.