16. May 2022
We have recently undertaken a Phase 2 ground investigation for a private extension at a site in Berkshire, close to Windsor. The ground investigation was required to satisfy a planning condition due to a protected tree on the site. There was concern that traditional trench foundations would cause potential root damage to the protected tree, and therefore a specialist foundation design was required in order to minimise root damage during the development of the extension. Due to the limited...

15. March 2022
Geo-Integrity Ltd. recently undertook a Phase I Desk Study and Phase II Ground Investigation at a proposed residential site near Broadway in the Cotswolds AONB. The desk study identified the site was directly underlain by the Dyrham And Marlstone Rock Formation, which is often encountered as sandy mudstone with interbeds of silt, fine-grained sand and impersistent beds of ferruginous limestone and ironstone. Naturally elevated amounts of arsenic are often present within the Dyrham and Marlstone...

CPT Testing in Backfilled Borrow Pit
18. February 2022
We recently undertook bespoke testing for a client on a site with difficult and problematic ground conditions. A prime development site located on an old borrow pit in Leicestershire, which had historically been backfilled was in need of site investigation, to aid foundation design. Whilst approximately 15m of Made Ground fill was present beneath the site, the backfill material was of good quality and consistence, and had likely been somewhat engineered, and re- compacted. However, no evidnce...

25. November 2021
Here in the UK we have a long industrial legacy and for the most part, until about 1990, the energy that fuelled that legacy was coal. The UK has over 50 coalfields ranging from Brora in the north of Scotland to Kent and Bovey Tracey in the south of England, and all areas in-between. Coal is a sedimentary rock that is the product of the geological compaction of organic material (trees, plants etc) in the many deltaic environments that covered the area in (mainly) Carboniferous times (between...

26. October 2021
5 years ago Geo-Integrity Ltd. was set up to provide site investigation, geotechnical and geo-environmental services to clients across Buckinghamshire, Northamptonshire, Oxfordshire, Berkshire, Leicestershire, Bedfordshire, Warwickshire, The Cotwolds and beyond. We started in a home office, using the garage as a soil store and logging shed and with my Peugeot estate as the site vehicle. We now have 6 employees, 3 vehicles and rented offices near Towcester. To date we have done over 700 jobs,...

18. October 2021
We have recently completed another successful Mineral Resource Assessment (MRA) for a client in Sandy, Bedfordshire. You ask “Why might I need an MRA too?” Policy 209 of the National Planning Policy Framework (NPPF) states:- “It is essential that there is a sufficient supply of minerals to provide the infrastructure, buildings, energy and goods that the country needs. Since minerals are a finite natural resource, and can only be worked where they are found, best use needs to be made of...

14. October 2021
Gas generated by the breakdown of organic material in nearby landfill sites or buried waste; or from naturally occuring gases from peat, alluvium, Coal Measures strata or other sources has the ability to seep into buildings and create either an explosive, toxic or asphyxiation risk. These gasses include carbon dioxide, methane among others. BS8485:2015 is the British Standard that covers the design and installation of gas protection membranes within new buildings, and this guidance states that...

21. September 2021
We have recently undertaken a ground investigation on a proposed residential site in Northamptonshire, conducting a Phase I and Phase II Investigation. The Phase I Desk Study indicated that the site was underlain by Northampton Sands Ironstone, deposited in the Jurassic Period between 170.3 million and 174.1 million years ago. The Northampton Sands Ironstone is present across the country, spreading from The Cotswolds, across The Midlands and to North Lincolnshire, and has historically been...

20. August 2021
We recently undertook a ground investigation near Marlow, Buckinghamshire along the southern edge of the Chiltern Hills. A Phase I and Phase II Investigation was required for a proposed commercial site on undeveloped land. The Phase I Desk study indicated the site is underlain by the Clay-with-Flints Formation (a chalk residual deposit) overlying the Newhaven Chalk Formation (formerly the Upper Chalk). For areas where chalk bedrock is underlying the surface there is a possibility of a...

22. July 2021
Here at Geo-Integrity we can undertake assessment of the stability of both existing slopes and man-made cuttings or embankments. Many of our clients projects include the creation of entirely new slope profiles through imported soil earthwork embankments and/or steepening of existing slopes though cuttings. We recently undertook a project in Bedfordshire, on West Melbury Marly Chalk, where we were asked to check stability on designed slopes across the site. Using laboratory testing on collected...

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About Us

A geotechnical and geo-environmental consultancy based in Central England with easy access to all areas.  Based on 20+ years of varied industry experience, we offer value for money, personal service, pragmatic advice, honesty, diligence and integrity.


Geo-Integrity Limited

4 Church Street

Maids Moreton


MK18 1QE


Tel:- 01280 816409

Mobile:- 07858 367 125






Company Number 10411544

Geo-Integrity are a member of the Association of Geotechnical and Geo-Environmental Specialists