For suspected public-sewer flooding, contact Anglian Water directly. For roadside gullies, use Suffolk Highways. Local reporting contacts are below; this enquiry service does not provide emergency dispatch.
What is a CCTV drain survey?
Quick answer
A CCTV survey examines accessible drain interiors using a camera. Specify whether you need a diagnostic check, a formal report, location mapping or evidence for planned work.
When do I need a CCTV drain survey?
Consider a survey for persistent blockages, suspected damage, a property purchase or planned works affecting drainage. Tell the surveyor the question you need answered. An inspection commissioned to locate a blockage may not meet the reporting needs of a buyer or building proposal.
What can a CCTV drain survey find?
A camera may reveal visible cracks, roots, displaced joints and obstructions in the runs reached. It cannot guarantee coverage of inaccessible branches or establish every external condition. Ask the report to identify limitations, uninspected sections and any further investigation required.
The camera shows the parts of the pipe it can reach and see. Deposits, standing water or an obstruction may hide the wall or stop progress. A useful report distinguishes an observed defect from a suspected cause beyond the inspected area. “Not inspected” is not the same as “in good condition”.
Condition findings and ownership are also different questions. Footage can help establish route and connections, but do not assume that a camera visit alone determines legal responsibility. In Sudbury and Great Cornard, ask Anglian Water to clarify suspected public assets where records or shared connections leave uncertainty.
The practical value is in what the evidence allows you to decide: whether to clear deposits, investigate an inaccessible section, seek the operator’s assessment or obtain a scoped repair quotation. A long list of observations without locations and limitations is much harder to use.
Useful next steps
Sources: Dyno: CCTV drain surveys · Anglian Water: locating public sewers before building
CCTV drain survey cost
Ask whether the quote includes…
A brief camera check during unblocking is not necessarily a full homebuyer survey.
- All relevant accessible drain runs.
- Cleaning needed for camera visibility.
- Footage and a written report in the format you need.
- Location mapping and VAT.
How long does a CCTV drain survey take?
The time depends on the network, access and whether cleaning is required for visibility. Tell the surveyor about locked gates, concealed covers and previous extensions. Confirm when the written report will arrive as well as how long the visit is expected to take.
Drain survey before buying a house
Before arranging a purchase survey
For a purchase in Sudbury’s historic centre, the useful task is to establish condition and ownership rather than infer either from building age. Ask for any existing survey, repair invoice or build-over documentation, then commission the scope needed to answer the outstanding questions. A conventional property inspection and a drain-camera visit are not interchangeable.
If findings arrive close to a purchase deadline, distinguish work recommended urgently from questions needing clarification. Ask the surveyor to explain inaccessible sections and the basis of any repair recommendation; ask your conveyancer how shared drainage and responsibility affect the transaction. A clear report is evidence for your advisers, not a guarantee of future performance or insurance cover.
- Give the address and any seller information about repairs or shared drains.
- Allow time to review the findings before your purchase decision.
- Ask your conveyancer how ownership and unresolved defects should be handled.
Sources: Babergh: Sudbury conservation-area appraisal · Anglian Water: locating public sewers before building
Homebuyer drain surveys
Specify that the survey is for a purchase and ask for a report you can understand and share with your advisers. It should distinguish findings from assumptions. For older Sudbury properties, historic drainage arrangements warrant investigation without assuming age automatically means costly damage.
Finding collapsed drains
Quick answer
If a camera cannot pass an obstruction, ask what supports a diagnosis of collapse. The report should state where inspection stopped and how the suspected defect was located.
Finding cracked drain pipes
Ask for images, location and an explanation of the significance of a reported crack. Visibility can be limited by deposits or water. Confirm whether the pipe was clean enough to assess and whether the defect is linked to the symptom that prompted the survey.
Finding tree roots in drains
A report should show the roots, the affected distance and any visible entry point. Discuss clearance and repair separately. If roots prevent a complete inspection, a further survey after removal may be needed to understand the remaining pipe condition.
Finding recurring blockages
Give the surveyor dates, affected fixtures and earlier clearance records. Inspection is often most informative once sufficient flow and visibility have been restored. Ask for recommendations that explain why blockages return rather than just a list of visible observations.
Locating underground drains
Quick answer
Camera inspection does not automatically include locating or a drainage plan. Agree whether depth, route marking and mapping are included before relying on the survey for building work.
CCTV survey after drain repairs
After repair, ask for evidence that the specified area has been treated and flow checked. Agree this in the original scope so it is not an unexpected extra. Keep the footage and written record alongside the repair invoice and warranty.
Do I get a drain survey report?
Confirm the deliverables
Check any required format with your builder, insurer or conveyancer before commissioning the survey.
The illustration below is fictional. It is a reading aid, not a report from a Sudbury property, a contractor’s assessment or an industry-standard grading form. Real report layouts vary; confirm any required format before commissioning the survey.
Notice how the example separates what was seen from what could not be inspected. A distance along a pipe is useful, but it may need route locating to identify where that point lies under a garden or driveway. A recommendation should explain the remaining uncertainty rather than converting every observation into an immediate repair order.
- Footage and findings you can understand.
- Inspected lengths and any inaccessible sections.
- Location information, where commissioned.
- Limitations and recommendations.
| Report field | Fictional example | How to read it |
|---|---|---|
| Purpose | Investigate a recurring blockage | Check that the commissioned question is actually addressed. |
| Inspected run | Chamber A towards Chamber B | The start, direction and run should be identifiable. |
| Visible finding | Roots visible at 4.2 metres | Ask for footage and an identifiable location; removal and repair are separate decisions. |
| Limitation | Camera stopped at an obstruction at 8 metres | The pipe beyond that point has not been assessed. |
| Ownership | Shared connection requires clarification | Refer suspected public assets to the operator; do not infer ownership from garden access. |
| Next step | Clear the obstruction, then inspect the remaining run | Agree this further work and its cost before treating the survey as complete. |
Do I need a CCTV survey before building an extension?
Check drainage ownership and Anglian Water's build-over requirements before designing works close to a public sewer. Camera evidence may form part of the process, but a survey alone is not permission to build. Obtain the actual requirements for your proposal before paying for the wrong scope.
Anglian Water’s guidance says its requirements must be considered for works within three metres of a public sewer. Planning permission is not approval to build over or near that asset. Check the actual proposal with the appropriate parties before detailed design or booking a survey with the wrong scope.
This is particularly useful for an older Sudbury property where records may not show every transferred public pipe. Establish actual position, depth and responsibility; discuss which survey evidence is required for the proposed works. A camera report cannot replace the operator’s process or any other necessary consent.
Sources: Anglian Water: locating public sewers before building · Anglian Water: why build-over requirements matter