On Mon, 24 Jul 2006 18:26:22 +0100, RedOnRed wrote:

Anyone else had any experience of this type of thing or a view of what
might be causing it would be appreciated?

The frames are moving, as you point out they are loose in the wall. IMHO
a timber frame from shouldn't move at all under the sort of forces a hand
can apply. Timber will also swell and contract with the seasons and
humidity this can crack plaster but such movemment is small 1/2mm or so
not several.

--
Cheers
Dave. pam is missing e-mail