need some advice on levelling a sloping floor

14 Feb 2006
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United Kingdom
I live in a victorian house and one of the bedrooms has quite a slope in it due to historical settling of the walls. The floor is made of original floorbaords with wooden joists underneath. It is on the top floor of a three storey house with only the attic above the room.

Initial research suggests I can lift the floorboards and lay down 'furring strips' on top of the joists to create a level surface on which to nail the floorboards back down.

My questions are this:

1. Is this an acceptable method?
2. What sort of wood should i use for the furring strips?
3. The door is lower than the highest point so this method could create a step at the door, and as the door opens inwards this could be a problem. Any thoughts on ways around this? For example could I shave down the joists in the highest area and add furring strips in the lowest area?
4. Do you think that I would have to do the same to the ceiling to avoid the feeling that the ceiling is sloping?

Any assistance very much appreciated! :D
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