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I am Al and am happy to assist you with your enquiry.
I think the neighbour is trying it on!
As rgeards the legal boundary to the 2 properties, you must look at the Land Registry title and see if it refers to any previous Transfers/Conveyances/ Deeds if it mentions specifically what dimensions of the property are. The 1886 Deed on its own is not relevant unless your Land Registry title refers to the Deed. Even if it does, provided you can provide evidence that the boundary has been in place for over 10 years, you would be entitled to make an application to the Land Registry for adverse possession, which would basically grant you a "possessory title" of the land in question. Any application merely has to show that your proeprty has had use of the land for 10 years without dispute and that your property has possessed the land- normally proved by the fact that the land is an intergral part of the property, which it is, if it is fenced in.
I hope this gives you peace of mind and sets out the legal position to you.
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