Updated October 2026 · Fraser Bond
Boundary disputes
Before arguing about spikes, work out who owns the fence
T-markson title plans
2mplanning height limit
Warningsigns for spikes
Disclosedisputes when selling
In short: Anti-climb spikes and similar security toppings aren't illegal, but the owner must avoid creating an unreasonable danger, should display warning signs, and may need planning permission if the fence plus topping exceeds height limits. You can't alter a fence you don't own without the owner's agreement. Most disputes are resolved by checking title plans and agreeing a solution in writing.
Who owns the fence?
| Issue | What the law says |
|---|---|
| Spikes or toppings | Allowed if reasonable; risk of liability if someone is injured, so signage is wise |
| Height | Fences over 2m (or 1m next to a highway) usually need planning permission, including toppings |
| Attaching things to a neighbour's fence | Needs the owner's consent |
| Damage to your property | Can give rise to a nuisance or trespass claim |
Resolving a fence dispute
1
Check the deedsGet both title registers and plans from HM Land Registry.
2
Talk calmlyExplain your concern and listen to theirs, such as security worries.
3
Put it in writingAgree what changes and who pays.
4
MediationCommunity mediation services can help.
5
Legal adviceFor boundary disputes that won't settle, see a specialist.
Frequently asked questions
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Can my neighbour put spikes on their fence?
Yes, on their own fence, if they're reasonable, within planning limits and ideally with warning signs.
Do I have to disclose a fence dispute when selling?
Yes. Disputes must be disclosed on the property information form, and they can put buyers off.
Can I remove spikes on a fence I don't own?
No. Removing or altering someone else's fence can be criminal damage.
Selling a home with a boundary issue?
We'll advise on how to handle it and still achieve a good sale.
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