Build Over Drainage Surveys in Greater London
Burch Drainage Ltd provides professional build over drainage surveys across Greater London, supporting homeowners, developers and contractors with drainage inspections required for building works near existing sewer lines.
A CCTV drain survey is often required to assess the location and condition of underground pipework before construction begins, helping ensure compliance with local water authority requirements.
40 years of expertise
Fully accredited
DBS verified
NADC member
What is a Build Over Drainage Survey?
A build over drainage survey is a specialist inspection carried out to assess drainage systems located near or beneath proposed building works.
The survey uses CCTV camera equipment to inspect the internal condition of the pipework and confirm its location, ensuring it is suitable for building over or near.
These surveys are commonly required when applying for permission to build near public sewers.
Who Needs a Build Over Drainage Survey?
Homeowners planning extensions
Developers undertaking construction projects
Builders and contractors
Property owners working near public sewer systems
What’s Included in a Build Over Drainage Survey?
Specialist drainage camera inspection
Our CCTV equipment captures clear footage inside the drainage system, allowing our engineers to accurately identify defects, blockages and structural issues.
Condition report
Written report using MSCC5 coding, outlining any defects, blockages or structural issues identified during the survey.
Online video access
Recorded CCTV footage of the inspection, allowing you to view the internal condition of the drainage system.
Drainage schematic
A visual drainage schematic showing the layout and structure of the inspected pipework where required.
Estimate for identified remedial works
If defects are identified, we provide an estimate and recommendations for any necessary repair works.
Our surveys provide a clear and detailed assessment of the drainage system, including:
When is a Build Over Survey Required?
A build over drainage survey may be required when carrying out building works that could affect existing drainage systems.
This typically includes:
-
Home extensions built near drainage lines
-
Construction works above or close to public sewers
-
Structural changes affecting underground pipework
-
Planning applications requiring drainage approval
-
Works requiring consent from local water authorities
In many cases, approval from your local water authority may be needed before works can proceed.
Why choose Burch Drainage Ltd?
-
Over 40 years of drainage expertise delivering reliable solutions across Greater London
-
Fully insured and accredited, giving you peace of mind on every job
-
Qualified drainage engineers, trained to work safely and efficiently in domestic and commercial environments
-
Two-man crew on every job, ensuring safe working practices and consistent workmanship
-
Competitive and transparent pricing, with free, no-obligation estimates
-
Highly rated by our customers, with a strong Google review rating
-
Comprehensive drainage services, from emergency call-outs to specialist surveys and repairs
Build Over Drainage Survey FAQ's
Arrange a Build Over Drainage Survey
If you are planning building works and require a drainage survey, our engineers can assess your system and provide the information needed to support your project.
Or call us today on 0800 1955 888