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

Build-Over CCTV Inspection
The "Before" report required by Thames Water for Putney 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 Putney 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 Putney’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 Putney 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 Putney 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 Putney Developers
Our solution focuses on deliveringthe hhighest-resolutiondata with zero site disruption. We ensure your Putney construction project meets all Part H Building Regulations through non-invasive, high-speed diagnostics.
- ◉ Precision Sonde tracing to identify pipe direction on Putney sites.
- ◉ Detailed WinCan reports accepted by Putney's legal and water authorities.
- ◉ Technical advice on pipe protection and diversion for Putney builds.
Non-Invasive Site Intelligence
Our Pre-Build Survey is entirely trenchless, using advanced camera technology to explore your Putney site without disturbing the ground.
Putney Site Prep
We identify all access points and map the build-zone relative to existing Putney sewer assets.
Our engineer arrives at your Putney address equipped with the latest CCTV technology.
HD CCTV Exploration
High-resolution cameras are inserted to document every joint, crack, and connection in the Putney network.
Data Package Delivery
You receive a professional report containing HD video, site maps, and depth data for your Putney build-over application.
What Our Customers Say
Daniel K., Putney Architect
"Highly Efficient. We needed a Pre-Build Survey for a Putney town-center project. They coordinated with the agent and delivered the Thames Water-ready report in 24 hours."
Megan R., Putney Homeowner
"Peace of Mind. Our Putney 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., Putney Project Manager
"Professional Data. Their mapping was millimeter-perfect. Essential for any developer working in the Putney area who wants to avoid planning delays."
Why Choose Us?
We are Putney’s leading pre-construction drainage authority. Our team provides the specialized technical data that Putney’s professional building sector demands for every project.
Putney Infrastructure Knowledge
Our engineers have years of experience working with Putney’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 Putney area.
Solicitor & Authority Approved
Our reports are specifically formatted to be accepted by Putney local Council and Thames Water, streamlining your build-over agreement.
Fixed Putney Pricing
We provide transparent, upfront quotes for all Putney projects, ensuring you can budget for your survey without hidden "emergency" fees.
Rapid Site Turnaround
We know Putney 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 Putney developers and homeowners.
Secure Your Putney Build-Over Approval.
Get the professional drainage data your Putney project needs. Book your survey today.
Frequently Asked Questions
Why do I need a Pre-Build Survey for my Putney extension?
A Build-Over Agreement is required if you are building within 3m of a public sewer in Putney. It protects you and the water authority.
Will this survey satisfy Thames Water in Putney?
Yes. We use WinCan reporting software, which is the industry standard accepted by Thames Water and Putney building control.
What happens if you find damage during the Putney survey?
We will provide a clear HD video of the damage and a fixed-price quote to repair it before your Putney build commences.
Do I need a post-build survey as well in Putney?
Often, yes. Water authorities in Putney 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 Putney?
Usually, these surveys are valid for 12 months, provided no significant groundworks have occurred on your Putney site since the check.
Can you trace the depth of the pipe for my Putney structural engineer?
Absolutely. Our Sonde and Trace technology provides the exact depth data Putney engineers need for footing designs.
Do you work with Putney-based architects?
Yes, we are the preferred drainage partner for many architectural firms across the Putney area for all pre-construction works.
Is the survey messy or disruptive to my Putney property?
Not at all. It is entirely non-invasive. We access the pipes through existing manholes on your Putney site.
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Find your local team
We proudly serve
- • Pimlico
- • Brixton
- • Chelsea
- • Clapham
- • Earls Court
- • Fulham
- • South Kensington
- • Battersea
- • Balham
- • Barnes
- • North Sheen
- • Putney
- • Streatham
- • Tooting
- • Wandsworth
- • Wimbledon
- • Raynes Park
and all surrounding Area.