July 24, 2025
Like a healthy snack? Come and work at Catalyst!
Teams at Catalyst Services UK now have the opportunity to choose complimentary healthy snacks...
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
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Catalyst apprentice Benjamin achieves CII certification with distinction
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July 11, 2025
Positive impact wins Naomi a Catalyst Kudos Award
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