For this reason, when expanding your home, you must first determine whether or not your future development will be built near (within 3 meters) of a public sewer. If so, you must obtain the agreement of the relevant sanitation company so that your project can move forward. They will also inform us if they find that the affected sewers are in poor condition or that the soil conditions are not satisfactory. In this case, we will ask one of our own inspectors to visit the website to discuss what will happen next. If you are planning some kind of development, building something new or expanding an existing building, you should check if there is nothing underground that can be affected, for example.B water or sewer pipes. Our real estate research team can provide maps showing the location of our assets. What is therefore a public sewer or a sewer, in simple terms, a sewer that serves more than one piece of land, comes within the scope of a Thames Water Build Over agreement. As well as runoff, and in particular the point where the drain pipe exceeds the boundary from one piece of land to another. If you find that your project is located near or above a sewage disposal system, there are two ways to get permission from your local water association. These are. Thames Water Build Over agreements require that different information be provided prior to construction to a Thames water engineer.

Sometimes problems arise when homeowners try to sell their property, partially or entirely built over a public sewer. Winter gardens and extensions are the usual culprits. If no construction contract has been concluded during the execution of the work, the water company has the legal right to enter the land to access the sewers, even if this means that the structure above the sewers will be demolished. However, the Water Company will not cause damage to the extent possible and will look for other ways to access the sewers, but the risk remains. If a Build Over agreement has been reached, the water company is not allowed to remove or demolish the structure above the sewers. Any building inspection body that works under our “protocol” will refer to all cases where we are able to request a construction agreement for further investigation. In certain circumstances, we may establish a construction agreement a posteriori if work has already been carried out over or near a public sewer. This is just one exception.

If you are selling your property, we know that the manhole/drainage has been built and that the work is in accordance with our agreement. Upon request, we confirm this information to individuals or mortgages acting on behalf of a potential buyer. What covers the costs of a construction contract? For small sewers (160 mm and smaller) The fee includes: • Processing of your application • Technical checks of your plans • Discussion and agreement of proposals for design changes • Cooperation with your local authority within the framework of the building rules • Granting of your agreement • Registration of the construction agreement or near public sewers in our files For medium-sized sewers (160-375 mm) and commercial real estate. As above, with 2 CCTV surveys on the length of the affected sewers. One before and one after your construction. For large sewers (375mm and larger) As above, but with much more time from our engineers and 2 measurements. This survey can be the entry by CCTV or the man, which involves considerable additional costs. We have an agreement or “protocol” with a number of LABCs and approved inspectors that gives them the power to authorize potential builds on our behalf, as long as they meet certain criteria. As Thames Water is legally responsible for the maintenance of these sewers and effluents, there are construction agreements to ensure that these elements have been taken into account in the design of your proposed foundations.

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