October 31, 2025
Progress on sewer awareness but behaviour tipping point not yet in reach
However, it also shows we are quite some way still from preventing activity that...
Illustrations
Our illustrations provide a visual explanation of off mains drainage methods, building subsidence, water service pipe responsibility and drainage pipe responsibility.
Building Subsidence
Subsidence is the vertical downward movement of a building foundation caused by loss of support of the site beneath the foundations.
It’s a serious problem and has many causes including leaking drains and sewers.
Click here for more detail.
Off Mains Drainage
There are three commonly-used options for when wastewater cannot enter a mains sewage system.
Click here to find out more about cesspits, septic tanks and sewage treatment plants.
Water Pipe Responsibility
When pipes need repairing or replacing, it’s important to know who is responsible for them.
Click here to see illustrations where we explain who is responsible for each water service pipe depending on the type of property.
Drainage Responsibility
Similar to water pipes, it’s important to know who is responsible for which drainage pipes.
Click here to see illustrations explaining drainage responsibility and drainage misconnection risks.
Latest News From Catalyst
Helping business and domestic customers every day of the year
October 29, 2025
Can you dig it? Catalyst backs amateur football club with sponsor deal
Insurance claims service provider Catalyst Services UK has made sure there is no risk...
October 23, 2025
Catalyst drainage expertise contributes to subsidence training day success
Drainage expertise from Catalyst Services UK has contributed to the Subsidence Forum Training Day...