Symptoms are a starting point
Recurring blockages, localised ground movement, persistent smells or visible damage can justify further investigation. They do not prove a particular fault on their own.
Repair methods depend on the evidence
Drain Star confirms both drain lining and dig-out work as part of its drainage service. The appropriate route depends on the location, condition, access and cause; neither method is right for every repair.
Explore drain liningSee how a repair may be formed inside suitable pipework.Explore drain dig-outsSee how an affected section may be exposed and replaced.
A CCTV drain survey may be one source of evidence where accessible pipework needs inspection.