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Leaning gables apex
Deflection of the wall compared to a spirit level
Strapping of the new wall to the roof structure
The property is a detached two storey house of solid brick wall and pitched slate construction constructed about 1925. The property is rectangular with a two storey projection at the rear.
The rear gable end of the main part of the property leans out about 150mm above first floor level. Measurement with a spirt level suggest that the top fifteen course of bricks lean out from above the point at which two large longitudinal structural roof timbers bear into the wall. The top ten course of the wall are of single skin construction and particularly vulnerable to further movement.
The wall only supports itself and the likely cause of the leaning wall is failure to restrain it at the time of construction. As it appears that the wall may move under the load of being pushed with a hand it should be restrained as soon as possible.
Remedial works are as follows
RICS Structural Survey