Structural Restorative Works

Question

Hello, We're looking to purchase a property and the structural survey has returned a structural deficit that we'd like to get a couple of quotes for.  It's a 1940s detached house that has had a single storey rear extension

The survey found
External cracking to brickwork to the rear elevation and side elevation where the rear extension has been jointed into the house. Cracking was above the opening below the second-floor windows which was diagonal and appears in the middle of the span of the opening consistent with lintel deflection.  (we also noticed internal wall and ceiling cracks in a similar location...) 
Vertical cracking was also observed between the brickwork of the rear extension

They recommend
Replacement lintel installation sufficient to carry the loads applied from the masonry above
Repointing the vertical cracks found and checking drains for possible leaks

Would someone be able to quote for what it would be to remedy the above issues?

Thanks! 
Roo

Ben · Accepted Answer

Hi Roo, 
If you could add a picture of the cracking that would be very helpful. It might just be settling of the new extension. If you're lucky.

Lee · Answer

It sounds like a lot of cracks this could be caused by movement due to the extension not being tied into your original building sufficiently, or poor foundations, or both. My opinion on the lintel is the cracks are not only above the lintel so the problem runs deeper. Simply pointing the cracks would only be hiding them and they will appear again.

Neil · Answer

If the back of the house was opened up after the extension was built. When they have propped it to install new steels. They have not pinned with slate properly. So when they have released props both skins of brickwork have settled. Needs brickwork taking out .check the lintels are correct and rebuild.

Craig · Answer

Hi Roo, 
To me it sounds as though there’s movement below because of the extent of the cracking which could well mean that the foundations are poorly laid similarly it could be that the extension is not tied in to the main structure sufficiently. This rectify will prove expensive.

Structural Restorative Works

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