Drainage and septic tanks
The chamber suggests a drain runs on into the neighbour's garden. Can the survey grant you a right to dig there?
No. The survey cannot grant a right to dig in the neighbour's garden. A chamber that suggests the drain runs on is a comment about direction. It is not an easement, a licence or a consent to excavate. Rights to use or repair a private drain, if they exist, sit in the deeds or in an agreement. The inspection does not create them. The solicitor has to read both titles before anyone treats that suggestion as permission to dig across the boundary.
Last reviewed 24 October 2026. Written for buyers in England and Wales unless this answer says otherwise. No named surveyor has signed this page. It is general guidance, not a report on your house, and not legal advice.
What is the fuller explanation?
Pipe direction is a physical inference from a channel, a fall or a line of covers. An easement is a legal right, usually written in a deed, to use a drain in someone else's land and sometimes to enter and repair it. The two can exist together, or the pipe can cross without any right you can rely on. The survey cannot confer the right by noticing the direction. Digging without it is a neighbour dispute the inspection has no power to prevent or to authorise.
The solicitor should search both titles for a drainage easement, a shared-drain declaration or silence. If the paper is silent, that is a legal problem, not a survey revision. A camera might confirm the pipe really does run on, which is still not a right to dig. Do not tell the neighbour the survey has given you access. It has given you a direction to investigate with your solicitor.
What should you ask your surveyor?
- What in the chamber suggested the drain runs into next door?
- Did you stop at direction, without granting a right to dig?
- Have you left any easement to the deeds?
What are the typical next steps?
- Ask the solicitor to search both titles for a drain right.
- Do not dig on the survey's direction alone.
- Treat the neighbour's garden as outside any right the survey can give.
Costs vary with the building and with who you instruct. Where this page does not cite a published figure, ask the surveyor, a relevant specialist, or your solicitor for a written quote. Do not treat a forum average as the price.
Also asked about this
If the neighbour agrees verbally, has the survey created a right?
No. A neighbour's verbal agreement, if you even have one, is theirs to give and can be limited. The survey still has not created an easement. Get the solicitor to look at the titles, and do not confuse a friendly conversation with the report.
Could the drain stop in this garden even though the chamber faces the boundary?
Yes. Facing the fence is a suggestion, not a trace. The pipe might turn, end in a soakaway, or stop short. The survey has not filmed it. Direction is not proof, and it is certainly not permission to dig next door.