Established 2004

Ruddlesden geotechnical

Ruddlesden geotechnical provides ground investigation, geotechnical consultancy and contamination assessment services.

Based in Exeter, but covering the whole of the UK, albeit primarily concentrated in the South West, Ruddlesden geotechnical was formed in 2004.

Ruddlesden geotechnical works on behalf of a wide client base, including local, regional and national housing developers, housing associations, commercial developers, building contractors, structural and civil engineers, architects, building consultants, quantity surveyors, local authorities and private individuals.

Development projects range from single dwellings and extensions to large housing estates, multi-storey flats, offices, industrial units, roads, slopes, schools, hospitals and basements.

The services and projects listed on this web-site provide an indication of those undertaken by Ruddlesden geotechnical, but others are carried out. If your requirement is not readily identifiable on this web-site, please contact us as we may still be able to help you.

  • AGS
  • Constructionline
  • CSCS
  • SMAS
  • ECFC trust
  • Latest news

    27 Aug 2026

    LiDAR, UAV and GIS used for Slope Stability Assessment

    Geoff Davis has recently been working on another coastal caravan site with slope stability problems.On this site, Lewis Brown Chartered Land Surveyors used remote sensing (LiDAR (Light Detection and Ranging)) from a UAV (unmanned aerial vehicle) to help understand the locations and magnitude of ground movements.Ruddlesden geotechnical then used GIS (Geographic Information System)  to highlight areas of concern, to quantify the degree of movement, which might have otherwise been missed.These technologies have been great in helping us understand the landslide processes at this site and, equally importantly, convey to others what is happening. However, they are of little use without a detailed understanding of the geological and geomorphological processes, which inform the all-important ground model, i.e. they should be seen as a useful tool to help us understand and communicate landslide processes, rather than a replacement for the understanding of them.

    LiDAR, UAV and GIS used for Slope Stability Assessment
    LiDAR, UAV and GIS used for Slope Stability Assessment
  • Recent projects

    Water Supply Pipe Assessment for Residential Development

    Ruddlesden geotechnical were commissioned to undertake a preliminary site assessment report for water supply pipe selection at a proposed residential development site in North Devon. The desk study indicated that the site had had no previous development and had not been used for the storage of fuels or chemicals. The report, which was undertaken in accordance with UKWIR guidance, concluded that no special requirements were required for water supply pipes at this site.

    56-ukwir-water-pipe-assessment-1
  • Recent projects

    Pre-Purchase Phase 1 Contamination Assessment

    Phase 1 Contaminated Land Assessment for the proposed redevelopment of a brownfield site in Devon, as part of the pre-purchase appraisal for the construction of a new supermarket. The site had numerous historical industrial land uses, including an iron foundry, gas works and an engineering works, as well as documented evidence of historical contamination of the ground, associated with an adjacent gas works. The production of the Phase 1 was crucial to understanding the potential development (and cost) constraints at this site for the client, prior to purchasing, and formed the basis of the scope of works for the Phase 2 Contamination Investigation.

    50-phase-1-contamination-assessment-1