our property was owned by the same person as our neighbours until 1956 when it was split, since moving here in 2009 we have found plans from 1956 showing that we own more of our garden than we registered on our new deeds as these were taken from modern day ordinance maps, after 1956 our neighbour has stolen a massive wedge of our garden and as the years have gone on and new ordinances updated her garden now doesnt resemble the one when the property was split, she registered her property in the 1980s with the boundary lines as she put them, can we use the map dated when the properties were split in 1956 to re write the current pland held with land registry as the area she stole is our only accessway to our property, which should by the map actually be owned by us, our deed states that we bought the full estate of what the previous owners purchased in 1956.i hope you understand what i mean thanks