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CADMAP Limited, founded in 2011 by Michael Brett, is a leading surveying and geomatics company in the UK. We provide specialist services including PAS 128 compliant utility mapping, topographical land surveys, measured building surveys, CCTV drainage surveys, laser scanning and BIM modelling, supporting architects, engineers, developers and infrastructure organisations.

We are widely recognised for our expertise in utility surveying and underground mapping, utilising PAS 128 standards and ground penetrating radar to reduce construction risks and prevent underground service strikes. Our CCTV drainage division delivers detailed reports incorporating GPS-referenced asset data, invert levels, flow direction analysis and condition assessments. We operate across London, the South East and the wider United Kingdom with a strong emphasis on accuracy and reliability.

Served areas
  • The whole UK - London, Surrey, Sussex, South East
Business details
  • Year established: 2011
  • Employees: 25
  • Licensed
  • Insured
Highlights and features
  • Topographical Surveys
  • GPR Surveys
  • Measured Building Surveys
  • BIM Scanning
  • Rebar Scanning
  • Concrete Scanning for depth and Rebar
  • 3D Scanning
  • Revit Models
  • Drainage Surveys
  • CCTV Drainage Surveys and Jetting
Associations and certifications
  • Full Member the TSA - The Survey Association
  • CICES
Payment methods
  • Bank transfers
Services
Land Topographical Surveys Our land topographical surveys are designed to supply reliable site information for planning, design, and development purposes. We work with architects, planners, developers, and private clients to map land levels and all relevant ground features accurately. Using Leica surveying equipment, our experienced surveyors ensure dependable results for every project. All members of our team are appropriately certified for construction site access and school surveying work.
Measured Building Surveys Our measured building surveys are undertaken using 3D laser scanning and Leica total stations to ensure high accuracy. We produce coordinated drawings covering floor plans, elevations, sections, and topographical information. The service supports architects and developers in preparing planning submissions for various property extensions. We supply fully detailed CAD outputs in DWG, DXF, and PDF formats. Every survey is completed to meet recognised RICS standards.
CCTV Drainage Surveys We attend sites using fully equipped LWB printer vans fitted with water jetting systems for drainage clearance. CCTV surveys are carried out on site to inspect underground pipe networks and identify issues. Manhole access points are managed safely to ensure public safety during operations. Survey data is recorded to support accurate reporting of drainage conditions and structure.
GPRS Surveys Cadmap Limited provides PAS128 specification GPRS surveys to clients from homeowners to blue chip. A GPR survey is a non-invasive approach for detecting and mapping underground features. Radar pulses penetrate ground and are reflected by differing electrical properties conditions. Data is processed into images or 3D models for construction, utilities, archaeology and drainage purposes outputs.
Boundary Surveys At Cadmap Ltd, we specialise in undertaking boundary surveys for private and commercial clients. These surveys require skilled professionals and accurate instruments, as tape measures and Disto tools are insufficient for precise boundary definition. Our services support land disputes, Land Registry requirements, and accurate area measurement. We provide comprehensive plans, demarcation details, and supporting documentation.
3D Laser Scanning BIM We provide 3D laser scanning and BIM services for a variety of surveying requirements. Leica ScanStation P20 technology enables high-speed capture of dense point cloud data. It is particularly suited to short access periods or high-density capture needs. Our expertise covers building elevations, internal floor plans and specialist surveying projects.
Reviews (4)
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Andrew Wainwright
Feb 19, 2026
Top Survey Company, I have used this company to trace Underground pipes across my garden for a Thames Build Over, thanks so much Mike for your hard work and top notch drawings.
Simon Bruntington
Sep 06, 2025
Great Company to work with and I really appreciate the constant updates on progress.
Deep Sidhu
Aug 07, 2025
These guys have really outstanding services with more and more professionalism and really appreciate them for the work
Darren Holmes
Sep 30, 2023
I've used 'Cadmap' on many projects over the years and will continue to use them going forward. A very professional team who produce top quality topographical surveys time and time again. Keep up the great work guys.