Hipped Roof Attic Conversion Trim
Hipped roof are fairly common in certain Trim areas. Here is and example of what kind of attic extension you can get with a hipped roof. Bear in mind you will need planning permission from your local county council if you wish to change the structure of your roof (if you wish to do so). Have a look around your neighbourhood and see if any similar houses to yours have an attic conversion. If the council granted permission for them you should be OK to.