Drain Mapping & GPS Charting

The Plumbing has been in business since 1978


LANDLINE CALL- 0800 612 8038


Drain Mapping & GPS Charting

Drain mapping is the ideal solution when you need to know the location and depths of the sewers, foul water drainage, and rain water network. Many older residential or commercial properties do not have a record of where their drainage and sewer works are within the property boundary. It is vital to know the position of foul water systems and surface water systems, especially if you are thinking of having building work carried out.

Typically, your architect will require details of the position of the drainage system so that they can calculate if they require a ‘build over’ an agreement.

Our in-house AutoCAD team

We have the capability to create new AutoCAD maps or to transfer GPS and drainage data onto existing AutoCAD maps. The accuracy of this data is crucially important for architects and developers, and to meet this level of quality Drain 24/7 has invested in the latest GPS and sonar technology, and crawler cam tracking units.

This enables our experienced engineers to create high-quality reports, maps and fully annotated site plans of sewers, culverts, riverbeds and wider drainage systems and features.

Service & Price Details

Our Drain Mapping, GPS Charting, Sewer Mapping, Sonar Tracing and Pipe Location cost is based on the level of investigation required. A standard terraced or semi-detached house would typically require 2 hours to survey and map the drainage system for our engineers to be able to produce a quality report and AutoCAD map.

  • Pipe sizes
  • Depth levels
  • GPS locations
  • Flow directions
  • Manhole locations
  • Boundary measurements
  • Schematic AutoCAD drawings

For more information on our special offers and prices, call us 0800 612 8038 today or fill out our quick quote form.


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  • Fixed Prices
  • Free Estimates
  • No Call Out Charge
  • Fully Insured & Accredited
  • Quick Response Time
  • 24 Hour Emergency Service
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Reliable, Honest, 5-Star Service


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"Polite well informed persons on the phone; team on site within the hour; works carried out promptly with helpful sound advice for future use, and all at a great rate; naturally my partner and I were very pleased."

- Rob – Excellent Service

"The service men were polite and explained the issues clearly. They were quick and efficient. I would definitely use the service again"

- Rosalyn – Quick and Efficient

"I had a blocked drain and called these guys out. They came within an hour, were very polite and friendly and did a super job unblocking the drain. Great value. Highly Recommend them"

- Which? Trusted Traders Consumer

"We had a problem with an outside drain. The guys worked efficiently and explained what they were doing and why. I would definitely use them again, if I'm unfortunate enough to have another blocked drain"

- Which? Trusted Traders Consumer

"Can't believe I just found these guys online. They were fantastic. They just got the work done without any fuss. Nothing was too much trouble and they were friendly as well. I can't recommend these guys enough."

- Tadhg McCarthy – They were fantastic

"Fantastic service, thorough quick and decisive!! Very impressed!"

- Uknicky, Fantastic service

"Job well done guys (Michael & his colleague, Very efficient, helpful and professional. Recommended"

- Gerald, Hertfordshire

"Very good service and polite work men. Would recommend this company"

- Clinton, Very good service

"Very pleased with the service and the prompt survey"

- Sean, London

Accreditations & Certifications

So you can be confident you are hiring a reputable company. Accreditation Members of National Sewerage Association (NSA), Construction line, CHAS, Environment Agency, the SSIP, Achilles, UVBD, NADC, and Association of Drainage Authority (ADA).

Drainage Accreditations

Engineers using sonar technology to locate drain pipes
Drain Map
Engineer following marking out drain lines with the help of sonar technology