Underground Utility Surveys
Surveying underground across London & the UK to PAS128 standards
• High detail – Surveys undertaken using precise survey equipment.
• Work quicker – Organised, easy to use CAD drawings.
• Precise data – Get your designs off to a great, accurate start.
• Experienced – Over 2000 surveying jobs since 2013.
• Fully insured – £500,000 professional indemnity.
Working with construction & asset maintenance professionals across London & the United Kingdom, our team use the latest detection systems to produce reliable utility survey drawings in accordance with PAS128.
THS Concepts are a modern surveying company with a vast accumulation of survey experience, whether that be on land, at sea, inside buildings or below ground.
Utilising innovative locator and GPR technologies, we undertake PAS128-standard surveys to any level required in order to record buried utilities such as drainage, water, gas, BT and electric services. Our team collect data using Total Stations and GPS instruments and provide you with accurate scaled drawings.
We can combine our utility mapping services with topographical and measured building surveys to give you a comprehensive site analysis; ideal for identifying and connecting to services, mitigating cable strikes during ground works or submitting applications such as planning or build-over agreements.
Our Underground Utility Survey Service Includes:
Quotation/Proposal
- Fast & efficient quoting process.
- We're happy to estimate projects of all sizes.
- We offer fixed prices to give you peace of mind.
- Our quotes are customised to suit each individual project.
Site Survey
- We utilise modern Vivax & Mala utility detection equipment.
- Our team work to PAS128 & TSA industry standards.
- We can combine utility surveys with our other survey services.
- We operate across the whole country as well as London.
Drawings Package
- CAD Drawings are issued in industry-standard DWG format.
- We always provide PDF copies suitable for printing.
- Our utility survey drawings adhere to the TSA colour codes.
- We can overlay survey data on to existing topographical site plans.
After Care
- We ensure you are 100% satisfied with our services.
- No up-front payments - we invoice on drawing delivery.
- We can help you with CAD tips & advice.
- We're happy to work with other contractors to ensure project success.
Recent Reviews
Frequently Asked Questions
For more information on the processes involved with a utility survey, we’ve written an easy-to-understand in-depth guide here.
PAS128 is the industry standard guidelines for the capture and delivery of utility survey data.
Issued by the British Standards Institution (BSI), it has been created to ensure the utility survey industry deliver its services to a recognised level of accuracy. It specifies both the methods used for detection, as well as how the information is categorised and issued to clients.
Take a look at our blog about PAS128 for more information.
All utility survey quotes are individually estimated based on the size and complexity of the project. Factors such as your appropriate PAS128 detection method will influence the amount of time required to complete the works.
Our prices are competitive so please don’t hesitate to get in touch for a free no-obligation quotation.
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 £500,000 in professional indemnity.
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.
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.
Absolutely! We can discuss this with you or even liaise with your design team directly. We have undertaken 1000’s of surveys so we know what is usually required depending on your intentions.
Get A Underground Utility Survey Quote
To get started, please fill out our form below. After we check your project details we’ll send you a fixed price quotation within 24 hours illustrating costs and timelines to get everything returned to you.
Don’t fancy filling out the form? Get in touch via email or telephone:
Email: info@ths-concepts.co.uk
Call: 020 8935 5160
Edward Sadler - Davis Construction
“Proactive on site and quick. Customer service is of the highest level as well. Will be using for all future projects.”
Teoman Ayas - MIM Studios
“Professional and attentive. They produced good quality CAD survey tailored for the specific needs of our project. Their price was reasonable and they delivered it on time.”
Anthony Kyrke-Smith - AKS Architects
“Very efficient service with quick turnaround. I have used THS-Concepts before and I will again, when I next need a detailed survey.”
Geoff Smith
“Chris and the guys at THS were absolutely fantastic! They were extremely reasonable cost wise yet provided an outstanding service, despite my complicated situation and numerous changes we had to make.”
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