Does my house have subsidence?

Victorian terraced property with a two storey outrigger to the rear has cracks along interior walls where outrigger joins.
The outrigger floor slopes down to the end and original ground floor doorway to the outrigger was replaced with an arch ten years ago.
Cracks have worsened in the last few months with tiles in bathroom getting further from the outrigger wall.
What can we do?

Asked by Claire on 17th Feb 2025
Expert Trade Answers
"Hi
Unfortunately it dose sound very much like subsistence I would get someone out to take a look and get some advice on a possible solution
Can I ask if you have trees close to the property or had any removed as this could also be the problem"
Answered on 17th Feb 2025 - Member since Apr 2022 - report
"Yes it does seem as if there is some movement if the cracks are worsening, being a victorian building it is probably built on spread footings ,so underpinning may be necessary, as the brickwork is solid construction this would account for cracks appearing internally."
Answered on 17th Feb 2025 - Member since Jan 2025 - report
"Hi Claire,

Without physical inspection I cannot give a definitive answer yet the symptoms you are describing is similarly and leads me to believe that you would have a form of movement/subsidence. I would advise calling a structural engineer to assess and provide a rectification strategy. If cracks are getting worse over time it is a common sign and internal cracking will be more prevent in solid (9in) brickwork walls.

Hope this helps!"
Answered on 18th Feb 2025 - Member since Dec 2024 - report
"Get a structure engineer to have a look at it
To make report on the property they are the best one
To give you advice on what is the best way to do it at least you it on paper"
Answered on 18th Feb 2025 - Member since Apr 2024 - report
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