You need to be very careful with this type of thing. The weight you leave above
the room in the attic can
be more than a tonne, so it needs to supported properly before you can be sure
it won't kill anyone lying
in bed below it.
You'll need a structural engineer, permission from your local building control
office and a good builder
with up to date insurance.
You local council will also be able to tell you who the next door house belongs
to so you can contact
them. This needs time for them to reply to the request for the changes you wish
to make, and time for you
to draught a legal letter which covers in a court of law if anything goes wrong
with their side and needs
proven that your changes didn't cause it. This is also where the building
control office comes in,
because they will inspect the work before, during and after the planned works.
There was a thread on this about the middle of last year, so try googling
through the group to see if you
can find the advice that was given then.
Please don't go battering the walls down without knowing what is involved. :-))
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