Find out exactly whose responsibility a blocked drain is, and whether you should call a private drainage firm or your water company.
When a drain backs up, the first question is usually who has to pay to put it right. The answer comes down to where the pipe sits. If it runs within your boundary and serves only your home, it is yours. If it runs past your boundary, or it carries waste from more than one property, the water company almost always looks after it.
This is where people slip up, because the rules changed in 2011. Back then, responsibility for most shared and lateral drains passed to the water companies, yet plenty of homeowners still reach for their wallet out of habit. A+ Drainage Services clears blocked private drains across Essex, London and the M25 corridor, and we never charge a callout fee. Just as importantly, if the blockage turns out to be the water company's job, we tell you. Here is how to work out who is responsible before any money changes hands.
There is one quick test. Does the drain serve only your property, and does it sit inside your boundary? If so, it is yours to maintain and repair. Does it sit outside your boundary, or does it serve more than one home? If so, it belongs to the water company. That single distinction decides everything else, because it tells you whether to ring a private drainage firm or simply report the problem and let your water company sort it out for free.
It helps to know the three types of pipe, since responsibility follows the type:
Carries waste water from a single property to the boundary. Covers your internal plumbing, kitchen and bathroom waste pipes, plus external pipes and gullies in your garden. All of it is yours.
The stretch of pipe running from your boundary to the public sewer, usually beneath a pavement, verge or road. Since 2011 the water company looks after it.
The larger pipe under the road that gathers waste water from many homes. Again, that one is the water company's.
The date matters. Until October 2011, homeowners had to look after lateral drains and any shared private sewers that fed into the public network. If one of those shared pipes collapsed, everyone connected to it split the bill, and that could run to thousands of pounds for a pipe nobody knew was there. Then the Private Sewer Transfer arrived. On 1 October 2011, responsibility for most lateral and shared drains across England and Wales moved to the local water and sewerage company. It happened automatically, so nobody had to sign a form or make a call. In most of Essex and East London, the company in question is Anglian Water or Thames Water, depending on where you live.
In practice, a few quick checks usually settle it:
If several neighbours on the same street hit drainage trouble at once, the blockage is probably in a shared drain or the public sewer, which points to the water company.
A problem inside your boundary that affects only your home is most likely your private drain. A problem beyond your boundary is most likely a lateral drain or the public sewer.
Homes built after 2011 are the exception. Some of their shared pipes have not been transferred yet, so responsibility can still rest with the homeowners. If your property is newer and you are unsure, ask your water company before you spend anything.
Two other cases are worth remembering. Road gullies that drain surface water off the highway usually fall to the council or the highways authority rather than the water company. And if you rent, a private drain is normally your landlord's problem, not yours.
Once you know which pipe is affected, the right phone call is obvious. A blockage in your private drain means a professional drainage contractor, and that is where we come in. A blockage in a lateral drain, a shared drain or the public sewer means your water company, who are legally obliged to investigate and clear it at no cost to you. So identify the pipe first, then dial the right number.
For their own pipes, yes. Water companies have to maintain and repair lateral drains, shared drains and public sewers, and you do not pay directly for that work. There is a catch, though. Response times vary, and when waste water is rising up your garden you may not want to wait around. For anything inside your own boundary, or for a blockage you need gone straight away, a private contractor gives you a quicker, guaranteed fix. With us, that fix still comes without a callout fee.
Honest advice sits at the heart of how we work, and this is one of those moments where it counts. We clear blocked private drains quickly across Essex, London and the M25 corridor. If we inspect a blockage and trace it to a shared drain or the public sewer, we say so on the spot, so you can report it to your water company instead of paying us for something that was never your bill.
Keith did exactly that on one job. He ran a camera ten metres through a run of gully drains to check the flow, found the real fault sitting under the main road and told the customer to call their utility provider rather than invoice for work that was not theirs to cover. More than 500 top-rated reviews suggest the approach goes down well.
Quick answers to common questions about blocked drain responsibility.
It depends on the pipe. If it sits within your boundary and serves only your home, it is yours. Lateral drains beyond your boundary, shared drains serving several properties and the public sewer all belong to the water company.
On 1 October 2011, most lateral and shared private sewers in England and Wales passed automatically to the local water and sewerage companies. Since then, homeowners no longer have to maintain or repair those shared pipes.
Report it to your local water company. A lateral drain, shared drain or public sewer beyond your boundary is theirs to investigate and clear, and it should not cost you anything. For a blockage inside your boundary, call a private drainage contractor.
Yes. If we assess a blockage and find it lies in a shared drain or the public sewer, we point you to your water company rather than charge you for work that is not yours.
Not sure whether a blocked drain is your problem or the water company's? Call Keith and the team. You will get straight advice and, if the pipe is yours, a quick fix with no callout fee.