We're buying a terraced house that was public authority built. The houses back on to lovely communal gardens. At some time in the past 30 years, I gather that each house fenced off a small garden/patio area at the back, and these are now for the exclusive use of the houses' owners. (One guy's built a deck on his and hedged it off for example). But when we got the land registry documents, we saw that the red line outlines only the house. The EA floor plan showed the garden.
I don't know what to do here - we thought we were nearing exchange but now I'm worried that if we don't actually have ownership of any outside space (despite having exclusive use in practice) it'll impact the value of the house when we sell. Presumably for example we, or future owners, wouldn't be able to build a conservatory on it, although it seems pretty clear that no one will come along and question use of it as a garden/patio/bbq space. I guess we can call the surveyor, and if he remembers the place, maybe he'll be able to give an opinion on the valuation difference. Also, I guess if the current owners have had exclusive use for more than 12 years, squatters rights might apply, but presumably they wouldn't apply to us! What would you do?