DRAINAGE COSTS:
will be incurred if you build within three metres of a Thames Water Public Sewer:-
- £105 if diameter of sewer pipe is 150mm (6") or less
- £445 if diameter of sewer pipe is 151mm to 375mm (15")
- £535 if diameter of sewer pipe is above 375mm (15") Plus additional legal costs starting at £1,000
Conditions apply when building within three metres of Thames Water Public Sewers.
In addition to drainage costs, you could be refused permission to build or have to alter your building.
I can rod your drains and then explain relevant conditions.