The Pre-Build Survey Specialist in Wye
Essential drainage diagnostics and mapping for Wye extensions and new builds. Secure your Thames Water build-over agreement with Wye’s technical experts.
- ◉ Building Control Compliant
- ◉ Precision Depth & Invert Level Data
- ◉ Fast-Track Reports for Wye Developers
100% Approval
Our reports are designed to meet all Wye local Council planning criteria.
3-Metre Rule
Expert identification of any public sewers within the critical Wye build zone.
£5M Insurance
Fully insured for all pre-construction and site works within the Wye area.
Technical Foundations for Wye Construction.
In a town with as much development as Wye, from modern urban expansions to sensitive suburban renovations, a Pre-Build Survey is the most critical step in your project’s lifecycle. Building over or near a sewer without professional documentation is a legal and structural risk. Our surveys provide the precise underground intelligence required to protect Wye’s infrastructure and your investment. We identify the exact location, depth, and condition of pipes, ensuring your foundations are designed correctly and your Wye planning application proceeds without a hitch.
Specialized Pre-purchase Drain Survey for Wye Buyers
We offer a suite of specialized investigations that fulfill the rigorous technical requirements of Wye structural engineers and water authorities.

Build-Over CCTV Inspection
The "Before" report required by Thames Water for Wye properties, documenting the structural integrity of the sewer before any groundworks begin.
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Depth & Invert Level Verification
We provide the exact measurements Wye architects need to calculate foundation depths and avoid crushing local drainage lines.
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Public Sewer Identification
Determining exactly which pipes are your responsibility and which are Wye’s public assets—a critical distinction for legal build-over agreements.
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Load-Bearing Site Mapping
Mapping the drainage network to ensure Wye new-build loads are distributed safely, preventing future pipe collapses or subsidence.
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Pre-Construction Structural Audit
A full condition assessment of Wye pipes to identify existing cracks or leaks that must be resolved before construction equipment arrives on-site.
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The "No-Dig" Solution for Wye Developers
Our solution focuses on deliveringthe hhighest-resolutiondata with zero site disruption. We ensure your Wye construction project meets all Part H Building Regulations through non-invasive, high-speed diagnostics.
- ◉ Precision Sonde tracing to identify pipe direction on Wye sites.
- ◉ Detailed WinCan reports accepted by Wye's legal and water authorities.
- ◉ Technical advice on pipe protection and diversion for Wye builds.
Non-Invasive Site Intelligence
Our Pre-Build Survey is entirely trenchless, using advanced camera technology to explore your Wye site without disturbing the ground.
Wye Site Prep
We identify all access points and map the build-zone relative to existing Wye sewer assets.
Our engineer arrives at your Wye address equipped with the latest CCTV technology.
HD CCTV Exploration
High-resolution cameras are inserted to document every joint, crack, and connection in the Wye network.
Data Package Delivery
You receive a professional report containing HD video, site maps, and depth data for your Wye build-over application.
What Our Customers Say
Daniel K., Wye Architect
"Highly Efficient. We needed a Pre-Build Survey for a Wye town-center project. They coordinated with the agent and delivered the Thames Water-ready report in 24 hours."
Megan R., Wye Homeowner
"Peace of Mind. Our Wye builder insisted on a survey before our extension. The team found a collapsed pipe we didn't know about, saving us thousands in potential damage."
Simon V., Wye Project Manager
"Professional Data. Their mapping was millimeter-perfect. Essential for any developer working in the Wye area who wants to avoid planning delays."
Why Choose Us?
We are Wye’s leading pre-construction drainage authority. Our team provides the specialized technical data that Wye’s professional building sector demands for every project.
Wye Infrastructure Knowledge
Our engineers have years of experience working with Wye’s unique drainage topography, ensuring we find assets that generic firms miss.
Advanced Diagnostic Equipment
We use the latest HD crawler cameras and sonar locators to ensure your Pre-Build Survey is the most accurate in the Wye area.
Solicitor & Authority Approved
Our reports are specifically formatted to be accepted by Wye local Council and Thames Water, streamlining your build-over agreement.
Fixed Wye Pricing
We provide transparent, upfront quotes for all Wye projects, ensuring you can budget for your survey without hidden "emergency" fees.
Rapid Site Turnaround
We know Wye construction schedules are tight. We offer priority booking for pre-build projects to keep your development on track.
End-to-End Compliance
From initial tracing to final "post-build" verification, we handle the entire compliance process for Wye developers and homeowners.
Secure Your Wye Build-Over Approval.
Get the professional drainage data your Wye project needs. Book your survey today.
Frequently Asked Questions
Why do I need a Pre-Build Survey for my Wye extension?
A Build-Over Agreement is required if you are building within 3m of a public sewer in Wye. It protects you and the water authority.
Will this survey satisfy Thames Water in Wye?
Yes. We use WinCan reporting software, which is the industry standard accepted by Thames Water and Wye building control.
What happens if you find damage during the Wye survey?
We will provide a clear HD video of the damage and a fixed-price quote to repair it before your Wye build commences.
Do I need a post-build survey as well in Wye?
Often, yes. Water authorities in Wye may require a “Post-Build” check to ensure your construction hasn’t damaged the sewer.
How long is a Pre-Build Survey valid for in Wye?
Usually, these surveys are valid for 12 months, provided no significant groundworks have occurred on your Wye site since the check.
Can you trace the depth of the pipe for my Wye structural engineer?
Absolutely. Our Sonde and Trace technology provides the exact depth data Wye engineers need for footing designs.
Do you work with Wye-based architects?
Yes, we are the preferred drainage partner for many architectural firms across the Wye area for all pre-construction works.
Is the survey messy or disruptive to my Wye property?
Not at all. It is entirely non-invasive. We access the pipes through existing manholes on your Wye site.
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Find your local team
We proudly serve
- • Tunbridge Wells
- • Pembury
- • Lamberhurst
- • Southborough
- • Ticehurst
- • Edenbridge
- • Tonbridge
- • Hildenborough
- • Sevenoaks
- • Crowborough
- • Kemsing
- • Westerham
- • Etchingham
- • Heathfield
- • Buxted
- • Ashford
- • Bethersden
- • New Romney
- • Lydd
- • Tenterden
- • Robertsbridge
- • Battle
- • Hastings
- • Bexhill on Sea
and all surrounding Area.