Construction disputes can delay payment, interrupt work and place pressure on commercial relationships. What begins as a disagreement about an invoice may develop into a wider dispute about delays, defects, variations or responsibility for work on the project.
Contractors and subcontractors often need to act while work is still ongoing, money remains unpaid and relationships are becoming strained. Developers, architects, consultants and other construction professionals may face similar problems when project responsibilities or contract terms are disputed.
Knowing how to resolve construction disputes does not mean choosing the most aggressive legal route. It means understanding what happened, checking the contract and evidence, and deciding what outcome would help the business move forward.
Some disputes can be settled through direct discussion or negotiation. Others may require mediation, adjudication or court proceedings. The right route depends on the facts, contract, evidence and commercial reason to proceed.
Why Construction Disputes Become Difficult
Construction projects involve several parties, detailed contracts and changing conditions. Main contractors, subcontractors, developers, consultants and construction professionals may each have different responsibilities.
A dispute can arise when one party believes work has been completed and payment is due, while another argues that the work was delayed, incomplete or defective. There may also be disagreement about additional work, payment notices, extensions of time or whether an instruction amounted to a variation.
These issues rarely stay separate for long. An unpaid invoice may lead to allegations about workmanship. A delay claim may result in arguments about access, instructions or who caused the disruption.
A subcontractor may believe payment is overdue for completed work. The main contractor may argue that payment has been reduced because of defects or delays. The dispute may therefore involve more than the invoice itself.
This can leave both sides repeating the same points without resolving the main issue. The first task is to identify exactly what is being disputed.
Start With the Main Issue
Before sending another email or threatening formal action, clarify what each party says happened.
Ask what work was agreed, what was completed and which obligation is said to have been broken. Identify the amount being claimed and the reasons given for withholding it.
For example, a contractor may say that work was completed in line with the agreed scope. The client may argue that some items remain unfinished or that delays caused additional cost.
A subcontractor may claim payment for completed work. The main contractor may rely on defects, delay or a payment notice to justify withholding part of the amount.
Separate the central issue from smaller complaints. This can make it easier to understand what needs to be resolved and which documents matter most.
Review the Contract Before Taking Action
The contract is usually the starting point when deciding how to resolve a construction dispute.
This may be a signed JCT, FIDIC or NEC contract. It may also include a subcontract, purchase order, quotation, letter of appointment, terms and conditions or an exchange of emails.
There may still be contractual terms even when the parties did not sign one complete document. The agreement may need to be identified from several records showing the work, payment arrangements and responsibilities accepted by each side.
Review the provisions connected to the dispute. These may cover:
- Payment
- Notices
- Variations
- Delays
- Defects
- Suspension
- Termination
- Dispute resolution
A contractor or subcontractor should also check whether notices needed to be served within a set period or in a particular form.
Do not rely on one clause without considering the rest of the agreement. Another provision may affect how it operates or require a notice to be served in a particular way.
Taking action without reviewing the contract can create further problems. A demand, notice or termination letter should match the contractual position and the legal route being considered.
Gather the Evidence
Construction disputes often depend on documents created throughout the project.
The contract is important, but it may not provide the complete picture. Emails, site records, photographs, programmes, invoices and meeting notes may show what happened in practice.
A contractor or subcontractor may also need:
- Applications for payment
- Payment notices
- Pay less notices
- Variation instructions
- Site diaries
- Progress reports
- Defect lists
- Completion records
- Delivery records
- Programme updates
Gather the material connected to the dispute and arrange it by date. A clear timeline can show when work was instructed, when it was completed, when payment became due and when concerns were first raised.
Keep documents that appear unhelpful as well as evidence supporting your position. A balanced review allows you to identify weaknesses before spending money on formal action.
It is also important to preserve original records. Avoid changing old notes or replacing files in a way that makes the history harder to follow.
Decide What the Business Needs
The right resolution route depends partly on what you want to achieve.
You may need payment of an outstanding invoice. You may want disputed work valued, defects corrected or responsibility for a delay decided.
A subcontractor may want payment without damaging the relationship with the main contractor. A contractor may need to keep the project moving while dealing with a dispute about variations or delay.
In other cases, the priority may be protecting the business from further loss. Trust may have broken down and one party may want to end the contract.
Termination creates its own risks and should not be treated as a quick way to escape a difficult project.
Be clear about the preferred outcome and the alternatives you could accept. This helps you assess whether a settlement proposal supports the business or simply postpones the dispute.
Can Direct Discussion Resolve the Dispute?
A focused discussion may resolve some construction disputes before formal action becomes necessary.
This is more likely where the parties are still communicating and the disagreement concerns missing information, unclear instructions or different interpretations of what was agreed.
The conversation should have a defined purpose. Both sides should understand which issues are being discussed and which records are relevant.
For example, a main contractor and subcontractor may be able to narrow the dispute by agreeing:
- Which work was completed
- Which items remain disputed
- Which payment notices were served
- Whether a variation was authorised
- What documents still need to be provided
Avoid holding repeated meetings that cover the same arguments without reaching decisions. Confirm important points in writing afterwards, including any agreed payment dates, remedial work or further documents to be provided.
Direct discussion does not mean ignoring the legal position. It gives the parties an opportunity to resolve the issue without immediately committing to a more formal process.
When Negotiation May Help
Negotiation allows the parties to explore a commercial settlement while retaining control over the outcome.
A settlement may involve:
- Full or partial payment
- A payment plan
- Completion of work
- Correction of defects
- Revised project arrangements
- An agreed end to the contract
This can be useful where both parties recognise the cost and disruption of allowing the dispute to continue.
A contractor and subcontractor may agree a reduced payment in return for ending the dispute. In another case, the parties may agree that specific work will be completed before the remaining payment is released.
Negotiation should be based on a realistic understanding of the contract, evidence and risks. Agreeing a reduced payment may be commercially sensible in one dispute and unnecessary in another.
Any settlement should be recorded clearly. The wording should explain what each party must do and what happens to the existing claims.
When Mediation May Be Suitable
Mediation involves an independent person helping the parties discuss the dispute and explore a settlement. The mediator does not normally impose a decision. The parties decide whether they can agree terms.
Mediation may help where the parties want to preserve a working relationship or need a practical solution that deals with several issues.
For example, the parties might agree revised payment dates, completion of specific work or arrangements for continuing the project.
This may be useful where a main contractor and subcontractor need to continue working together despite a dispute.
Mediation may be less suitable when one side refuses to engage, urgent protection is needed or the parties require a binding decision on the dispute.
When Construction Adjudication May Be Considered
Adjudication is a construction-specific dispute resolution route. A qualifying construction contract may include a right to refer a dispute to adjudication under the Housing Grants, Construction and Regeneration Act 1996.
Adjudication may be considered in disputes about:
- Payment
- Valuation
- Variations
- Delays
- Defects
- Construction contract terms
It can provide a decision more quickly than ordinary court proceedings. However, this does not mean it is suitable for every unpaid invoice or construction disagreement.
A contractor or subcontractor considering adjudication needs to define the dispute carefully. The contract, evidence and legal position should be ready before the process begins.
The timetable can be demanding. Starting adjudication without proper preparation can increase cost and make the dispute harder to present.
Before taking this route, consider the value of the claim, the available evidence and whether the likely result supports the commercial objective.
Think Carefully Before Suspending Work
An unpaid invoice may make stopping work seem like the obvious response. However, suspending performance without the correct contractual or legal basis may expose the business to a claim.
The right to suspend may depend on whether payment was properly due, whether the relevant notices were served and whether notice of suspension must be given.
A subcontractor who suspends work without following the correct process may face allegations of delay or breach of contract.
A contractor may also need to consider the effect on the wider programme, other trades and the relationship with the client.
Before stopping work, review the contract and payment history. Make sure the proposed action is supported by the facts and documents rather than frustration alone.
Think Carefully Before Terminating the Contract
Termination is a serious step and may create significant consequences for both parties.
The right to terminate may depend on the nature of the breach, its seriousness and whether the contract requires a warning or opportunity to put the problem right.
A party that terminates without a valid basis may face an allegation that it has committed a breach itself.
Before serving a termination notice, consider:
- Work already completed
- Outstanding payments
- Materials on site
- Access arrangements
- Project records
- The cost of appointing another contractor
- The effect on subcontractors and consultants
The wording and delivery of the notice may also matter. Legal advice may be appropriate before taking a step that could bring the contractual relationship to an end.
When Court Proceedings May Be Needed
Court proceedings may become necessary where the parties cannot negotiate a resolution and another dispute process is not suitable.
Construction and engineering claims may fall within the work of the Technology and Construction Court.
Before proceedings, the relevant Pre-Action Protocol may require parties to exchange information, understand each other’s position and consider settlement or another form of dispute resolution.
Litigation may be considered where:
- A binding judgment is needed
- The dispute involves substantial loss
- The evidence is complex
- The other party refuses to engage
- Adjudication is not suitable
- Previous resolution attempts have failed
Court proceedings can require significant preparation, legal cost and management time. Obtaining a judgment also does not automatically mean the money will be recovered.
Before starting a claim, consider the strength of the evidence, likely legal cost, value of the dispute and whether the other party could pay if the claim succeeds.
How Contractors and Subcontractors Can Choose the Right Route
There is no single answer to how to resolve construction disputes.
Direct discussion may help where communication remains possible. Negotiation or mediation may be suitable where the parties want to retain control and reach a commercial agreement.
Adjudication may be considered where a construction dispute needs a quicker decision and the contract and legal requirements support that route.
Litigation may be necessary where a final court decision is required or other attempts have failed. Arbitration may also apply where the contract contains an arbitration agreement.
Contractors and subcontractors should avoid choosing a route only because it sounds firm or urgent.
The route should match:
- The contract
- The evidence
- The value of the dispute
- The commercial objective
- The available time
- The likely cost
- The need to continue the working relationship
When to Speak to a Construction Dispute Lawyer
Legal advice may be useful before the dispute reaches court or adjudication.
You may need advice when:
- The contract wording is unclear
- A payment is being withheld
- A payment notice is disputed
- Allegations about delays or defects have been raised
- A variation has not been valued
- Suspension is being considered
- Termination is being considered
- A formal claim or adjudication notice has been received
Speaking to a construction dispute lawyer does not mean formal proceedings must begin.
The first step may be to understand where you stand and whether negotiation, mediation, adjudication or another route is commercially sensible.
Early advice can also help a contractor or subcontractor avoid taking a step that does not match the contract or available evidence.
How My Commercial Lawyers Reviews Construction Disputes
My Commercial Lawyers provides barrister-led construction dispute support for suitable matters.
The firm supports contractors, subcontractors, developers, architects, consultants and construction professionals dealing with payment, contract or project disputes.
The team starts by reviewing the facts, contract and evidence. The aim is to clarify the issue and identify which possible routes may be suitable.
These routes may include negotiation, a formal response, adjudication, litigation or another step. Adjudication is not treated as the answer to every construction dispute.
My Commercial Lawyers works on a fixed instruction fee basis. The scope and fee for each instruction are confirmed before that instruction begins.
Litigation conduct may be available where suitable. The scope depends on the dispute and the work required.
What Happens After You Enquire?
Complete the website form and explain the main issue. You will then be asked to download Trello and join your matter board.
Use the board to share the contract, key facts and supporting documents. This gives the team one place to review the information and evidence.
The team checks whether the matter is suitable.
If the firm can help, the proposed next step and fixed instruction fee are confirmed before that instruction begins.
The client care letter and invoice are then arranged before work starts.
You can find out whether your matter fits before committing to the next step.
Resolve the Dispute With a Clear Plan
Construction disputes often continue because the main issue has not been clearly identified or the parties keep repeating the same arguments.
Start with the facts, contract and evidence. Decide what the business needs to achieve and which outcomes would still be commercially acceptable.
You can then consider whether discussion, negotiation, mediation, adjudication or court proceedings provide a sensible route.
The aim is not to take formal action for its own sake. It is to understand where you stand and choose a next step that supports the business.
Your Next Step
If a payment, contract or project dispute is holding up your construction business, gather the contract, key correspondence and a short timeline of what happened.
Complete the website form and share the issue, contract and key facts so the team can review whether this is something they can help with or book a consultation with us.