title: Inheriting list item permissions via permissions on lookup field item
body: <p>Say you have two lists in Sharepoint, let's call them "house" and "region". </p>
  
  <p>Each house is assigned to a region via a lookup field.</p>
  
  <p>List item permissions are set on regions.</p>
  
  <p>Now I want the users only to only see the houses which belong to the regions they have read access to. I reckon it should be relatively simple I see no easy way of doing this. Am I over looking something.</p>