An unfinished extension, a half-tiled bathroom, a builder who has stopped answering the phone. If work has been abandoned or left incomplete, you have rights and you have options. Here is where you stand.
When a builder walks away mid-project, the cost is rarely just financial. You are left with disruption, uncertainty and a property that may not be safe or usable. The good news is that the law treats an unfinished job as a clear breach of your agreement, and there are practical, proven routes to put things right.
Below we explain your legal rights, the steps to protect your position, and how a construction dispute is resolved when conversation alone is not enough.
Table of Contents
- Start with your contract
- Your rights under consumer law
- Common situations and what they mean for you
- Practical steps to protect your position
- How construction dispute resolution works
- How Jones Whyte can help
Start with your contract
Your first point of reference is the agreement between you and the builder. A contract does not have to be a formal, signed document to be legally binding. A written quote, an exchange of emails or texts, or even a verbal agreement backed up by what was actually done can all form a contract.
The contract sets out what the builder promised to deliver, by when, and for how much. When they fail to complete that work, they are in breach of contract, and that breach is what gives you the right to a remedy.
Your rights under consumer law
If you are a homeowner who hired a builder for domestic work on your own home, the Consumer Rights Act 2015 applies across the UK. It gives you statutory protections that sit alongside your contract. Under that Act, building work must be:
- Carried out with reasonable care and skill, to the standard of a competent tradesperson.
- Completed within a reasonable time, where no specific deadline was agreed.
- Provided for a reasonable price, where the price was not fixed in advance.
If the builder falls short, you can usually ask them to return and finish or fix the work at no extra cost (known as repeat performance). If they refuse, cannot be reached, or the relationship has broken down beyond repair, you may be entitled to a price reduction or to recover the cost of having someone else complete the job.
A useful rule of thumb: You are generally entitled to be put back in the position you would have been in had the work been finished properly. In practice, that often means recovering the reasonable extra cost of a replacement builder completing or correcting the work, less anything you still owed under the original price.
Common situations and what they mean for you
- The builder has abandoned the job entirely. If a builder has taken payment and stopped work without good reason, this is a fundamental breach. You are typically entitled to treat the contract as at an end, bring in another contractor, and pursue the original builder for the additional cost and any losses caused by the delay, which can include delay claims for the extra time you are left without a usable home.
- The work is unfinished and defective. Incomplete and poor-quality work often go hand in hand. Both are breaches: one of completion, the other of the standard required. Sometimes the fault lies with subcontractors the builder brought in, but your contract is with the main builder, so that is who you pursue. An independent inspection is valuable here, as it separates what is genuinely defective from what is simply unfinished and puts a credible figure on the cost of putting it right.
- You have paid up front and money is missing. Large advance payments that do not match the work actually done are a recurring feature of building disputes. Keep every invoice and proof of payment. The gap between what you paid and the value of the work delivered is usually central to any claim.
Practical steps to protect your position
- Gather your evidence. Collect the quote or contract, all invoices and receipts, your project documentation, every message and email, and dated photographs of the work as it stands. Strong records are the single biggest factor in resolving a dispute quickly.
- Put your complaint in writing. Set out clearly what was agreed, what is outstanding, and a reasonable deadline for the builder to return and complete the work. Keep it factual and calm. This written record matters if the matter escalates.
- Be careful with payments. You are entitled to decline payment for work that has not been done, but avoid withholding sums without a clear basis. If you are unsure how much to hold back, take advice before acting.
- Get independent quotes to complete the work. Obtaining quotes from other contractors both helps you move forward and evidences your loss. The law expects you to keep your losses reasonable, so sensible quotes strengthen any later claim.
- Take advice at an early stage. Speaking to construction lawyers early often prevents a manageable problem from becoming an expensive one. Advice at the outset shapes the evidence you keep and the position you take.
How construction dispute resolution works
Most disputes never reach a courtroom. There is a full range of options, and the right one depends on the value of the work, the contract you have, and how far the relationship has broken down.
- Negotiation and a formal letter of claim. A clear, well-evidenced letter from a solicitor setting out your position and what you expect is often enough to bring a builder back to the table or secure a settlement.
- Mediation. A neutral mediator helps both sides reach a voluntary agreement. It is confidential, usually faster and cheaper than court, and can preserve a working relationship where one still matters.
- Adjudication. For many qualifying construction contracts, adjudication offers a fast, binding decision within a matter of weeks. It is a well-established part of construction dispute resolution, though certain residential arrangements are treated differently, so it is worth checking whether it is open to you.
- Arbitration. Where your contract provides for it, arbitration proceedings give a private, binding decision from an independent arbitrator. Mediation, adjudication and arbitration, along with other forms of alternative dispute resolution, are designed to settle matters without a full court hearing.
- Expert evidence. Where the dispute turns on the quality or value of the work, construction expert witness services provide an independent technical assessment. A surveyor or construction expert can report on what is defective, what remains outstanding, and the reasonable cost of completion, evidence that carries real weight in negotiation and in court..
- Court proceedings. If matters cannot be resolved, litigation remains an option. Smaller claims are dealt with through a simplified, lower-cost procedure, while larger or more complex building disputes follow the standard court process, with both parties presenting their evidence. Construction dispute solicitors will advise on the right forum and the likely legal costs before you commit.
How Jones Whyte can help
At Jones Whyte, our construction disputes team acts for homeowners, developers and businesses left out of pocket by work that was never finished or never done properly.
We work closely with you from the outset, advising clients in plain terms on how strong their position is and what they are likely to recover. Our construction lawyers bring real expertise to the parts that are hardest to manage on your own: the formal letter of claim, negotiations with the builder on your behalf, instructing the right construction expert witness services where technical evidence is needed, and supporting you through mediation, adjudication, arbitration or court if matters cannot be settled.
Our focus is a cost-effective resolution. We protect your position, keep your costs proportionate, and work to resolve matters with the best chance of success. If you are dealing with an unfinished job, we offer advice on your options before you commit to anything.
Contact us on 0141 674 6074 to get in touch with our dispute team today.
Please note: This article is for general information purposes only and does not constitute legal advice. It should not be relied upon as a substitute for professional legal advice tailored to your specific circumstances. If you need advice on a legal matter, get in touch with our team.
