Underground Utility Surveys
Surveying underground across London & the UK to PAS128 standards
- Accurate utility mapping, reducing risk of strikes.
- Detailed CAD and PDF plans for clear reference.
- Fast, non-invasive data capture to keep projects moving.
- Prevents costly delays by identifying utilities in advance.
- Serving London and the UK, for projects of all sizes.
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Are you aware of your specific needs and/or wish to include files? Please complete our detailed form here.
Recent Reviews
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THS Concepts has shown an excellent attitude and eagerness towards our ongoing project. I am thoroughly impressed by the level of service I have received and look forward to utilising their skills in the future.
- Tim K Construction Ltd. … More -
Superb service, quick turnaround and extremely helpful! I wouldn't hesitate to use THS Concepts again if I need to in the future!
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We've recently had our building measured by THS. Great service and very prompt to respond to any queries. Thank you.
What Is a Utility Survey?
Benefits of 3D Utility Surveys
Enhanced Safety and Risk Mitigation
Utility scanning before construction enhances safety by identifying underground utilities like gas, water, and electricity lines. Knowing their precise location prevents accidental damage, reducing risks of hazardous leaks and electrical shocks, ensuring a safer environment for workers and the public.
Cost Efficiency and Project Planning
Conducting a utility survey leads to better cost efficiency and planning. Accurately locating utilities helps avoid unexpected strikes, reducing costly repairs and delays. This foresight allows for effective budgeting and scheduling, keeping the project on track and within budget.
Regulatory Compliance and Environmental Protection
Utility scanning ensures compliance with regulations requiring the identification of underground utilities before construction. This avoids legal penalties and promotes responsible practices. It also protects the environment from potential contamination and preserves natural resources by preventing utility damage.
Our Service Includes:
On-Site Precision Survey
Our service offers precision surveys compliant with PAS 128 standards, including non-GPR options. Benefit from the expertise of our experienced technicians who document buried utilities such as drainage, water, gas, BT, and electrical services. We utilise advanced Leica GPS technology for accurate recording to national grid coordinates, ensuring precise and reliable data.
Detailed DWG CAD/PDF Drawings
Access clear and organised AutoCAD DWG drawings and site plans, allowing easy identification of various underground utilities on your site. Our detailed drawings include cable locations, depths, sizes, and directions, providing you with a comprehensive understanding of the underground infrastructure.
Site Photographs
Receive high-quality photos taken during our surveying process. These photographic records enable you to visualise the surveyed area, enhancing your understanding and documentation of the site.
Example Utility Survey Drawings
Why Choose THS Concepts For Utility Surveying?
What is PAS 128 and Why Is It Important?
PAS 128 is the Publicly Available Specification for underground utility detection, verification, and location in the UK. It sets the standard for the accuracy and reliability of utility surveys, ensuring that data collected is consistent and dependable.
Importance of PAS 128:
Standardisation
PAS 128 provides a uniform framework for utility surveys, ensuring that all surveys meet a high standard of quality. This consistency is crucial for comparing data across different projects and for ensuring reliable results.
Risk Reduction
By adhering to PAS 128, surveyors can more accurately locate and identify underground utilities, reducing the risk of utility strikes during construction. This enhances safety for workers and the public, and prevents costly damages and delays.
Enhanced Project Planning
Accurate utility data is vital for effective project planning and design. PAS 128 ensures that the information gathered is precise, helping project managers make informed decisions, avoid unexpected issues, and optimise resource allocation.
Compliance and Best Practices
Following PAS 128 demonstrates a commitment to industry best practices and regulatory compliance. This can be important for securing project approvals and maintaining professional standards in construction and engineering projects.
How Much Does a Utility Survey Cost?
Why Work With THS Concepts?
We are experienced multi-disciplined surveyors who pride ourselves on the quality of our work. We operate to industry survey and drawing standards, utilising modern detection equipment. Our 5 star reviews on Google and Trustpilot reflect our attention to detail and client care.
If you’re a construction professional such as an Architect or Engineer, you can have confidence in our range of expertise and cross-capability of survey outputs. Our team can deliver topographical, measured and utility surveys to provide you with a combined analysis of your site – suitable for planning applications, construction detailing, build-over agreements, structural design and connecting to existing services.
For property owners who’ve been asked to commission a utility survey – you can be sure we are undertaking our work to the industry standards you expect at a fixed price.
We are fully insured for everything we do, including £1million in professional indemnity.
Where Do We Undertake Surveys?
We undertake utility surveys in the counties surrounding our offices. These include:
- London
- Essex
- Kent
- Hertfordshire
- Sussex
- Surrey
- Buckinghamshire
However, we have been much further afield within the UK and internationally. We have undertaken surveying work in France, Spain and even as far away as Liberia in West Africa.
If you would like a quote for a project, please get in touch.
How Quickly Can I Get The Drawings?
This depends on the size and complexity of the project. Typically we are able to get to your site within two weeks, and drawings are usually issued a week later. We always maintain communication with our clients and update you throughout the survey and drawing processes.
Why Choose THS Concepts For Utility Surveying?
THS Concepts are an accredited member of The Survey Association body.
We operate across the United Kingdom and internationally.
THS Concepts was formed over 10 years ago in 2013.
£1 million in liability cover, employers and public liability.
5 Star / excellent reviews on both Trustpilot & Google Reviews
Do You Your Utilities Surveyed?
- Relied on by Architects, Engineers and Designers.
- Quick Turnarounds, Great Customer Service
- 5 Star Reviews on Google & Trustpilot.
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