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Proprietary Estoppel Claims

Proprietary Estoppel Claims involving a farmhouse for sale with a couple standing on the path, representing a dispute over promised property ownership

Proprietary Estoppel Claims

Legal guidance and representation

If you have an interest in land or property that has been promised to you - particularly where you have relied on that promise to your detriment - you may have grounds to pursue a proprietary estoppel claim and seek a legal remedy that addresses the detriment suffered.

At Walker Foster, our experienced team of lawyers is well-versed in handling these sensitive and often complex matters, including disputes concerning a beneficial interest in property. We assist clients both in bringing claims where assurances have been broken - often involving informal agreements within families or long-standing personal relationships - and in defending against such claims where the legal or factual basis is disputed.

We provide clear, honest advice and are committed to guiding you through the legal process with professionalism, care and understanding. We appreciate the emotional and practical complexities these disputes can bring, particularly when they involve family relationships and livelihoods, and we work to achieve outcomes that are fair, proportionate and rooted in the principles of equity.

Contact us today to discuss your situation in confidence and find out how we can help.

How Walker Foster can help with proprietary estoppel claims

At Walker Foster, we help clients bring and defend proprietary estoppel claims involving promises or assurances about land, property and inheritance.

These claims often arise where someone has acted on an assurance that they would receive an interest in property, only for that expectation not to be honoured. This is particularly common in family, agricultural and inheritance disputes, including cases involving family farms and long-standing informal arrangements.

Our team can assess whether the circumstances may support a proprietary estoppel claim, identify the evidence needed and advise you on the most appropriate way forward.

We regularly help clients with matters involving:

  • Promises about property or land: Where someone was told they would receive, inherit or acquire an interest in property, but that promise was not later honoured.
  • Detrimental reliance: Where a person has changed their position because of an assurance, for example by investing significant time, money or effort in a property or business.
  • Family and farming arrangements: Where family members have worked for little or no pay, made personal sacrifices or remained in a family business because they expected to inherit or share ownership of land or a farm.
  • Property ownership disputes: Where the legal title does not reflect the understanding, expectations or arrangements between the parties.
  • Inheritance and estate challenges: Where someone does not receive the property or inheritance they were promised during the deceased person’s lifetime.

We will examine the circumstances of your case, including the promise or assurance made, how you relied on it, the detriment you suffered and whether it would be unconscionable for the other party to go back on their promise.

We can also help you build and present your case by reviewing documents and communications, gathering witness and financial evidence, assessing the remedies that may be available and advising you on the options for resolving the dispute.

Where appropriate, we can seek to resolve matters through negotiation or mediation. If court proceedings are necessary, our team can represent you throughout the process and present your case clearly and strategically.

Whether you are seeking to enforce a promise relating to property or defending a proprietary estoppel claim, Walker Foster will provide clear, practical and supportive advice at every stage. We will keep you informed, explain your options in plain English and work with you towards an outcome that protects your interests.

Can I make a proprietary estoppel claim?

You may be able to make a proprietary estoppel claim if someone made you a clear promise or assurance about land or property, you relied on that promise, and you suffered a detriment as a result.

Examples of situations where a claim may arise include:

  • Working for little or no pay in a family business because you were promised that you would inherit property
  • Spending your own money improving a home because you were led to believe you would have an interest in it
  • Giving up other employment, housing or financial opportunities because of a promise about land or property
  • Continuing to work on or support a family farm because you expected to inherit all or part of it

The strength of a proprietary estoppel claim will depend on the specific circumstances and the available evidence. Our team can assess the promise made, how you relied on it, the detriment you suffered and whether it would be unconscionable for the other party to go back on their assurance.

Our approach to proprietary estoppel claims

At Walker Foster, we take a clear and practical approach to proprietary estoppel claims. From the outset, we focus on understanding what happened, identifying the strength of your position and helping you decide on the most effective way forward.

Proprietary estoppel is a legal principle that can apply where a person has been given a clear assurance about property or land, has relied on that assurance and has suffered detriment as a result. A successful claim will depend on the specific facts and evidence available.

We will keep you informed throughout, explain your options in plain English and make sure you understand the likely costs, risks and next steps at each stage.

Step 1: Initial consultation

We start with a confidential discussion about your circumstances and what you want to achieve.

We will ask about the promise or assurance that was made, the relationship between the parties and the actions you took as a result. This helps us understand the background to the dispute and identify the key issues that need to be explored.

Step 2: Assessing assurance, reliance and detriment

We then assess the core elements of the claim.

This includes considering:

  • What was promised or represented to you
  • Whether you reasonably relied on that promise
  • What financial, personal or other detriment you suffered
  • Whether it would be unconscionable for the other party to go back on the assurance

This stage helps us form a clear view of the strengths and potential challenges in your case, including whether the evidence is likely to support a successful claim.

Step 3: Gathering and reviewing evidence

We work with you to identify and organise the evidence that supports your position.

This may include:

  • Emails, letters and text messages
  • Financial records, receipts and bank statements
  • Documents showing investment in the property
  • Evidence of low pay, unpaid work or lost opportunities
  • Witness statements from people who were aware of the arrangement
  • Wills or estate-planning documents where inheritance is involved

We review this evidence carefully so your case is presented as clearly and convincingly as possible, particularly where it helps demonstrate the assurance made, the reliance placed on it and the detriment you suffered.

Step 4: Exploring negotiation and mediation

Where appropriate, we will look for opportunities to resolve the dispute without going to court.

This may involve direct negotiation with the other party or civil and commercial mediation. Reaching an agreement at this stage can help reduce legal costs, avoid unnecessary delay and give the parties greater control over the outcome.

We will advise you on any settlement proposals and help you assess whether they properly reflect your legal position and the outcome you are seeking.

Step 5: Preparing for court proceedings where necessary

If a fair resolution cannot be reached, we can take the matter forward through formal court proceedings.

We will prepare your case, manage the necessary documentation, liaise with the other parties and represent your interests throughout the litigation process.

At every stage, we will explain what is happening, what is required from you and what the possible outcomes may be.

Step 6: Reaching the best possible outcome for your circumstances

Whether the dispute is resolved through negotiation, mediation or court proceedings, our focus remains on achieving an outcome that reflects the facts of your case and protects your interests.

Depending on the circumstances, this could involve the transfer of property, recognition of an interest in land, a financial award or another form of settlement.

Our proprietary estoppel team will support you from the first conversation through to resolution, providing clear, practical and committed legal advice throughout.

FAQs about proprietary estoppel claims

Why are proprietary estoppel claims common in farming families?

Proprietary estoppel claims often arise in farming families because succession arrangements may be discussed informally over many years rather than recorded in a formal agreement.

A family member may work on the farm for low pay, give up other career opportunities or make important life decisions because they have been led to believe they will eventually inherit the farm or an interest in it. If those expectations are later not reflected in a Will or ownership arrangements, a dispute can arise.

The House of Lords decision in Thorner v Major is a well-known example. The case involved a claimant who had worked for many years on the farm without pay in reliance on assurances that he would inherit it. The case illustrates how assurance, reliance and detriment can arise through long-standing family farming arrangements.

Can I claim proprietary estoppel against someone’s estate after they die?

Yes, a proprietary estoppel claim can potentially be brought against a deceased person’s estate.

This commonly arises where someone was promised property or land during the deceased’s lifetime, relied on that assurance and suffered detriment, but the Will or intestacy position does not reflect what they were led to expect.

In Thorner v Major, for example, the claimant pursued the claim after the farm owner died, and the House of Lords considered whether the deceased’s estate was prevented from denying the claimant’s interest in the farm.

Because these disputes can affect how an estate is administered, it is advisable to seek legal advice as early as possible. Walker Foster also advises on wider Will and inheritance disputes and can help where proprietary estoppel forms part of a broader dispute over an estate.

What happens if there are no written records of the promise?

A lack of written evidence does not automatically prevent a proprietary estoppel claim from succeeding.

The court will look at the wider circumstances, including what was said, how the parties behaved and whether the claimant reasonably understood those words or actions as an assurance about property.

In Thorner v Major, the relevant assurance was not made through a formal written promise. The House of Lords accepted that indirect statements and conduct could be sufficient where, viewed in context, they were clear enough to create the relevant expectation.

Witness evidence, financial records, messages, photographs, evidence of unpaid work and other documents may therefore become particularly important where there is no written agreement.

Can proprietary estoppel result in ownership of the property?

Potentially, yes. However, a successful proprietary estoppel claim does not automatically mean the claimant will receive the property they expected.

The court has discretion when deciding what remedy is appropriate. Depending on the circumstances, this could include transferring the property or an interest in it, allowing the claimant to remain in occupation, or awarding a financial payment.

The Supreme Court’s decision in Guest v Guest considered the approach courts should take when determining the appropriate remedy following a successful proprietary estoppel claim.

HMRC’s guidance on proprietary estoppel and constructive trusts also explains that proprietary estoppel gives the court considerable discretion over the remedy, which may range from recognising a beneficial interest in property to making a monetary award.

Contact us

If you need advice on bringing or defending a proprietary estoppel claim, get in touch with Walker Foster today. Our experienced team will explain your legal position, advise on your options and work with you towards the best possible outcome for your circumstances.

We also advise on related equitable remedies, including promissory estoppel and constructive trust claims, where informal agreements or promises have been relied upon without formal legal documentation.

Whether your dispute involves family, agricultural, business or inheritance matters, we are here to provide clear, practical and supportive advice. Contact Walker Foster today to arrange a consultation.

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