Mediation in construction offers a practical, commercially focused route to resolve disputes quickly and cost‑effectively. For employers, developers, main contractors, subcontractors and consultants, mediation can restore momentum to a stalled project, preserve relationships and avoid the expense and disruption of prolonged proceedings. At Stephensons, we advise clients through every stage of the mediation process in construction disputes across the UK.
Construction projects are complex, multi‑party and time‑sensitive. When disagreements arise over payment, variations, delay, defects or termination, mediation in construction disputes allows the parties to explore solutions confidentially and without prejudice, with the support of an experienced neutral mediator. Any settlement can be tailored to the project’s commercial realities and documented in a binding agreement.
An effective route to resolve disputes
Mediation is a form of alternative dispute resolution. It complements, rather than replaces, adjudication, arbitration and litigation. The Technology and Construction Court and the pre‑action protocol both encourage early engagement with mediation where appropriate. Because it is voluntary, the parties retain control and can shape both the process and the outcome.
In many cases, construction mediation helps parties reach agreement within a single day. Even where a complete settlement is not achieved, mediation often narrows the issues, clarifies risk and leads to partial agreements that save time and costs later.
What is mediation in construction?
Mediation in construction is a structured negotiation facilitated by an independent mediator. The mediator does not decide the case or impose an outcome. Instead, they assist the parties to identify issues, test assumptions and evaluate risk, guiding discussions towards a mutually acceptable resolution. The process is confidential and conducted on a without prejudice basis.
Outcomes are flexible. A mediated settlement might include staged payments, revised programme milestones, re‑scoped works, agreed variations, performance guarantees, collateral warranties, or joint communications to funders and stakeholders. This flexibility is a core advantage over adjudication and court proceedings.
When mediation in construction disputes is appropriate
Mediation is appropriate at almost any stage: pre‑action, in tandem with adjudication or arbitration, or during ongoing court proceedings. It is particularly effective where parties seek to maintain a working relationship, where multiple issues are interlinked, or where creative commercial solutions are needed alongside legal remedies.
Common triggers for mediation include escalation under contractual dispute resolution clauses, standstill agreements to allow negotiation, deterioration of cashflow due to payment disputes, or significant events such as practical completion, termination, or final account submission.
How the mediation process works
Although each mediation is tailored to the dispute, the typical process includes: appointing a mediator agreed by the parties; agreeing a mediation agreement that sets the ground rules; exchanging short position statements and key documents; and a mediation day involving joint sessions and private meetings.
On the day, the mediator may open with a joint session to frame the issues and then hold separate, confidential meetings with each side to explore options and settlement parameters. If agreement is reached, it is recorded in a binding settlement agreement. Where court proceedings are on foot, terms can be embodied in a consent order or Tomlin order.
Benefits of mediation in construction disputes
Mediation in construction disputes offers clear advantages: speed, cost‑control and certainty. It enables parties to avoid the legal spend and management time associated with contested proceedings, while reducing the risk of adverse publicity and preserving confidentiality.
Crucially, mediation allows commercial flexibility. Parties can agree outcomes that a court or adjudicator could not order, prioritising project delivery, cashflow and future collaboration. Because parties craft their own settlement, compliance levels tend to be high and relationships can be repaired rather than severed.
Typical issues suited to mediation
Payment and final account disputes, including valuation of variations, loss and expense, set‑off and contra‑charges, are well suited to mediation. Delay and disruption claims, extensions of time and liquidated damages frequently benefit from a mediated approach that balances programme issues with quantum and cashflow concerns.
Defects and quality disputes, design responsibility and professional negligence claims against architects and engineers, issues around collateral warranties and step‑in rights, termination and repudiation allegations, bond and guarantee calls, as well as multi‑party co‑ordination across the supply chain, are all commonly addressed in mediation.
Preparing effectively for mediation
Preparation is critical. A clear chronology, a concise statement of issues, and focused supporting documents will help the mediator understand the dispute quickly. Parties should identify their objectives, settlement parameters and non‑negotiables, and consider contingency options and staged solutions.
Authority to settle is essential. Decision‑makers should attend, or be immediately available, and insurance positions should be checked in advance. Where expert evidence is material, ensure that key points are distilled and accessible, recognising that mediation is not a trial and excessive documentation can be counterproductive.
The role and approach of the mediator
A mediator must be independent and impartial. In construction disputes, mediators are often legally qualified, technically experienced, or both. They may adopt a facilitative approach, focusing on communication and interests, or a more evaluative style, reality‑testing legal and factual positions. The right approach will depend on the dispute and the parties’ preferences.
Good mediators manage process as well as substance: they set an appropriate pace, keep momentum through impasses, and help parties calibrate risk against the practicalities of project delivery and funding. At Stephensons, we assist clients in selecting mediators suited to the issues and personalities involved.
Costs, timing and outcomes
Mediation costs are usually limited to the mediator’s fee, venue or platform costs and each party’s legal and expert input. Fees are commonly shared equally, though parties can agree different allocations in the settlement. Remote or hybrid mediations can reduce expense and enable wider participation by stakeholders.
Most mediations can be organised within weeks. A typical session lasts a day, with additional time as needed. Any settlement is captured in a written agreement, which constitutes an enforceable contract. Where litigation is afoot, terms can be incorporated into a consent order to provide additional enforceability.
Mediation compared with adjudication, arbitration and litigation
Adjudication remains a rapid, statutory mechanism for payment and interim disputes, but it produces a binding decision that may not offer a holistic commercial result and is vulnerable to subsequent challenge. Arbitration and litigation provide final, enforceable determinations but are slower, costlier and less flexible.
Mediation is voluntary and non‑binding until agreement is reached. It allows parties to keep control, explore creative settlements and manage reputational and relationship risks. It can be used before, alongside or after other processes, and is particularly valuable where multiple issues intersect or where preserving project delivery is paramount.
Why choose stephensons
Stephensons advises employers, developers, main contractors, subcontractors and professionals across the construction and engineering sectors. Our solicitors combine technical sector knowledge with dispute strategy, enabling clients to use mediation in construction disputes to secure durable, commercial outcomes.
We prepare cases for mediation with the same care as contested proceedings, but with a pragmatic focus on settlement opportunities. We help clients assess risk, quantify claims and defences, and design proposals that address cashflow, programme and delivery, not just legal entitlement.
Our team acts nationwide and is experienced in multi‑party mediations, remote and hybrid formats, and complex disputes involving design liability, building safety obligations, procurement and framework agreements, and specialist subcontract packages. Clients value our clarity, responsiveness and commitment to proportionate costs.
Key considerations for successful mediation
Success in mediation depends on timing, preparation and authority. Choose a moment when sufficient information is available to evaluate risk, but before positions have hardened irretrievably. Define your objectives early and ensure decision‑makers and funders understand the options and implications.
Maintain a problem‑solving mindset. Use opening statements to set a constructive tone and identify common ground. Consider package deals that trade issues across quantum, programme and scope. Focus on implementable solutions and realistic drafting, recognising that clarity at the point of settlement avoids later ambiguity.
Confidentiality and privilege
Mediations are conducted on a confidential and without prejudice basis. This enables parties to speak openly, explore concessions and float proposals without fear of later prejudice in court or adjudication. Settlement terms, once agreed and documented, will be binding and can include confidentiality obligations as required.
Risks of not mediating
Refusing to mediate, or delaying unreasonably, can increase costs and entrench positions. In litigation, the court may penalise a party in costs for an unreasonable refusal to engage in mediation. More broadly, opportunities for commercial outcomes can be lost as project timelines move on and relationships deteriorate.
Final steps after settlement
Once agreement is reached, ensure that payment dates, deliverables, programme adjustments, releases, warranties, insurances and dispute resolution provisions are clearly expressed. Where works resume or continue, align the settlement with the underlying contract to avoid unintended consequences or conflicting obligations.
Speak to our construction mediation specialists
To discuss mediation in construction or a potential mediation in construction disputes, call 0161 696 6170 or fill in our enquiry form.
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