Thanks @Dave-1 . I agree removing the pacers and sealing might be the only solution unfortunately. Thanks again for your insights and time.
Hi @Dave-1 - thanks for your time and detailed response. Please find attached more photos.
The red circle in one of the photos is where a hole is from where water is leaking into the laundry. Behind this wall there is a sideway on a slo ...
Afternoon @dcool75 Thank you for the extra photos...Bugger is the easiest answer I take it that the Laundry is behind that sheet and extends below ...