Canterbury & Kent

Gibson v New: A 13-Year Fence Dispute That a Boundary Dispute Surveyor’s Determination Should Have Ended, Lessons for Kent Homeowners (November 2026)

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Thirteen years, multiple trials, two High Court appeals, a Court of Appeal application and tribunal proceedings, all over what the trial judge called “a trivial strip of land” beside a replaced garden fence. Gibson v New (neutral citation 2026 EWHC 1862 (Ch)), decided on appeal by Mr Justice Thompsell on 31 July 2026, is the clearest recent illustration of why a boundary dispute surveyor should be involved early, and why an agreed surveyor’s determination should be honoured once it is made [1][2]. For homeowners across Canterbury and Kent facing a fence that has moved, the case carries lessons about evidence, proportionality and cost.

Key Takeaways

• The dispute between two sets of semi-detached neighbours in Thundersley, Essex, began with replacement fence panels and ran for about 13 years [1][2].
• In 2015 both couples agreed at mediation to appoint an independent surveyor and accept the determination; one side then rejected the result and obtained a second expert opinion, which led to years of further litigation [1][2].
• The court ruled in 2021 that the first surveyor’s boundary should be followed and that the fence trespassed; the 2026 appeal dismissed six of seven grounds and reduced damages only from £9,500 to £9,000 [1].
• Press reports estimated the losing side’s total bill, including both sides’ legal costs, at around £150,000 [2].
• From 30 November 2026 surveyors giving expert evidence must comply with the new RICS Surveyors acting as expert witnesses standard [3].

The Gibson v New timeline

Mr and Mrs Gibson and Mr and Mrs New lived in adjoining semi-detached houses in Thundersley, Essex. The trouble started when the News replaced the fence panels between the gardens. The Gibsons said the new fence was in the wrong position and did not run in a straight line [2].

Stage	What happened
2015	At mediation the parties agreed to appoint an independent surveyor to determine the boundary and to accept the result [1][2]
After 2015	The News did not accept the surveyor’s findings and obtained a second expert opinion [2]
2021	The court ruled that the first surveyor’s boundary should be followed and that the fence trespassed on the Gibsons’ land [2]
Later hearing	HHJ Duddridge assessed damages and described the litigation as “wretched” [2]
31 July 2026	Mr Justice Thompsell dismissed six of seven grounds of appeal and reduced damages from £9,500 to £9,000 [1]

Along the way the matter generated multiple trials, two High Court appeals, an application to the Court of Appeal and proceedings in the First-tier Tribunal (Land Registration) [1]. The dispute even extended to an ornamental squirrel removed from a post between the properties and to songs posted online that the court found were about the Gibsons [2].

What the High Court decided in July 2026

On the 2026 appeal, the appellants succeeded only partly on one ground, concerning a short period in which the Gibsons could have mitigated their loss. Damages were reduced from £9,500 to £9,000. The judge awarded costs to the Gibsons as the successful party, reduced by 1 per cent to reflect the appellants’ limited success, and described the litigation as “unusually disproportionate, difficult and frustrating” [1].

The litigation was “unusually disproportionate, difficult and frustrating.”, Mr Justice Thompsell, Gibson v New, 31 July 2026 [1]

Press coverage in August 2026 estimated the losing side’s total bill, including damages, interest, the costs of the High Court appeal and county court costs, at around £150,000. That figure is a press estimate rather than a court finding, but it gives a sense of the scale [2].

Why the 2015 boundary dispute surveyor determination mattered

The most important moment in the whole story is the 2015 mediation. Both couples agreed to appoint an independent surveyor to determine the boundary and to accept that determination. A mediated settlement of that kind is a contract between the parties. Had it been implemented, the dispute would have ended in 2015 with the cost of one survey and one mediation [1].

Instead, one side rejected the findings and instructed a second expert. Six years later the court reached the same answer as the first surveyor [2]. The solicitors who acted for the Gibsons draw the obvious conclusion: settlement agreements reached through mediation should be properly implemented, and early engagement with the process saves time, expense and stress [1].

For Kent homeowners the lesson is not that surveyors are infallible. It is that an agreed, independent determination is usually the cheapest and fastest route to certainty, and walking away from it rarely improves the outcome.

How a boundary dispute surveyor establishes the line

A chartered surveyor asked to determine a boundary in Canterbury, Whitstable or Faversham works through the evidence in a set order.

1. The root conveyance. The deed that first divided the land, together with its plan, usually controls where the boundary was intended to run.
2. Later plans and title documents. Transfers, rectification deeds and Land Registry title plans, bearing in mind that under section 60 of the Land Registration Act 2002 a title plan shows only a general boundary.
3. Ordnance Survey and historic mapping. Successive editions show how fences, hedges and walls have moved.
4. Physical features. The position and age of fences, posts, walls, hedges, drains and outbuildings on the ground.
5. Measured survey. A site survey ties the documentary evidence to the ground, often using coordinates so that the line can be reproduced.
6. Witness evidence. What neighbours and previous owners recall about the line and any agreements.

The approach is set out in more detail in boundary dispute resolution in 2026: expert witness strategies for UK property owners.

Single joint expert, party expert or agreed determination

Gibson v New highlights three distinct roles a boundary dispute surveyor can play, and they are often confused.

• Agreed determination. As in 2015, both parties agree in advance to be bound by the surveyor’s decision. This is a private contractual arrangement, not an expert report for court.
• Single joint expert. In litigation the court can direct that one expert be instructed jointly by both sides under Part 35 of the Civil Procedure Rules. The expert owes an overriding duty to the court and both parties receive the same report.
• Party-appointed expert. Each side instructs its own surveyor, again under Part 35, with the court’s permission. The expert still owes the overriding duty to the court, must sign a statement of truth, and must not act as an advocate for the client.

From 30 November 2026 the RICS professional standard Surveyors acting as expert witnesses (5th edition, published 30 July 2026) applies to RICS members in every one of these expert roles. It requires experts to identify their assumptions, set out alternative conclusions where opinions depend on disputed facts, disclose any use of AI in preparing evidence, disclose any financial dependence on the instructing party, and never act as an advocate [3]. A second opinion obtained to undermine an agreed determination will be judged against those standards.

What Kent homeowners should do when a neighbour moves a fence

1. Photograph and record. Date-stamped photographs of the old fence line, posts and any marks on the ground are invaluable later.
2. Gather the deeds. Ask your conveyancer or Land Registry for the title plan, the root conveyance and any later transfer plans.
3. Talk before escalating. Many fence disputes are honest mistakes made by a fencing contractor.
4. Instruct a boundary dispute surveyor early. An independent report often resolves the question before solicitors are needed.
5. Consider a boundary agreement. Neighbours can fix the line in writing and record it against both titles.
6. Use mediation and honour the result. As Gibson v New shows, a mediated agreement to accept a determination only works if both sides keep to it [1].
7. Keep it proportionate. Trespass by a misplaced fence can lead to damages and an order to move it, but costs usually follow the event and can dwarf the value of the land.

Where a fence dispute overlaps with building works, the Party Wall etc. Act 1996 may also be engaged, as discussed in third surveyor selection and dispute resolution when party wall surveyors cannot agree.

Frequently asked questions

Is a surveyor’s determination legally binding?

If both parties agreed in a settlement to accept it, the agreement is a contract and can be enforced. In Gibson v New the court ultimately followed the first surveyor’s line [1][2].

Does the title plan show where my fence should be?

No. The title plan shows a general boundary only under section 60 of the Land Registration Act 2002. The deeds and physical evidence determine the exact line.

What can the court award if a fence trespasses?

Damages for trespass and an order to move the fence. In Gibson v New damages were £9,000 after the appeal, but the costs of the litigation were far higher [1][2].

Conclusion

Gibson v New is a cautionary tale about proportionality. The land was trivial, the damages modest, and the costs enormous, because an agreed boundary dispute surveyor’s determination in 2015 was not honoured [1][2]. Kent homeowners who find a fence in the wrong place should gather evidence, instruct a chartered surveyor early, consider a boundary agreement or mediation, and treat any agreed determination as the end of the matter rather than the start of a second argument. Surveyors acting as experts should prepare now for the RICS standard that takes effect on 30 November 2026 [3]. This article is general information rather than legal advice; anyone in a live dispute should take advice from a solicitor and a chartered surveyor.

References

1. Neighbour Dispute Ends After 13 Years High Court Upholds Damages Award in Long Running Boundary Battle. holmes-hills.co.uk.
2. Couple Locked 14 Fence Row 111900000. aol.co.uk.
3. Surveyors Acting as Expert Witnesses. rics.org.