Boundaries · Report on Title scenario
It constrains where you can build and it gives the water company a right to come and dig. A mains pipe inside your boundary is common and is not a defect, but it does two things: it restricts development over the affected area, and it brings statutory rights of access for maintenance and repair. The trap is that nobody guarantees exactly where it is.
From the e-ROT archive
This scenario is drawn from Report on Title material dealing with this specific circumstance.
The drainage and water search reports the water company's records, and those records show that an asset runs through the property. What they do not do is guarantee its position — the plans are schematic, historic and were never prepared to be dug to.
That is why the Lexsure wording below recommends a site inspection before any excavation, building or landscaping. Finding a main with a mini-digger is expensive, dangerous and entirely avoidable.
If work has been stopped or your garden has been dug up, what was reported to you about the drainage and water search is where the question starts.
Find out what should have been explained → WhenIBought.comBuilding over or near it, generally. Water companies control development over their apparatus, and work affecting it needs their agreement — sometimes a build-over agreement, sometimes a diversion at your cost.
The practical effect lands on extensions, outbuildings, garages, swimming pools and anything with foundations. If the plot's only sensible extension route crosses the main, that is a material constraint on what you are buying.
A diversion is usually possible and is usually expensive. Get an indication of cost before you commit if your plans depend on it.
The water authority keeps statutory rights of access for maintenance and repair. If the main needs work, they are entitled to come and do it, and that can mean a trench across a lawn, a drive or a patio.
Reinstatement obligations exist and “reinstated” does not always mean “as you would have done it”. This is a reason not to put anything irreplaceable over the line of the pipe.
Before you exchange, ask for the plans, have the line established on the ground, and check whether any existing structure already sits over it — because if one does, somebody built it either with an agreement you should see or without one you will inherit.
From the e-ROT archive
Report on Title paragraph
The drainage and water search confirms that there is a water asset (pipe) situated within the boundaries of the property. This indicates that a mains water pipe, resource main, or discharge pipe runs through part of the property’s curtilage. Whilst such assets are relatively common, it is important to note that the exact location is not guaranteed by the water undertaker’s records. Accordingly, a full site inspection should be carried out prior to any excavation, building, or landscaping works to establish the precise position of the pipe. The presence of this apparatus may restrict certain types of future development within the affected area, and the water authority will retain statutory rights of access for maintenance or repair works, should this be required.
Master precedent wording. This is current Lexsure Report on Title material, reproduced exactly. It is professional precedent wording and is not advice about any particular property.
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