Package A
£1,400.00

Suitable for a mid-sized outbuilding or extension up to 46m2 (500ft2) ground floor area, for example a kitchen-diner, double garage, garden studio or small outdoor pool. Not suitable for a new house. Five-week turnaround from instruction. Unrestricted access. Includes:

  • Boreholes: 2no window sampler boreholes (3-5m deep)
  • In-situ testing: shear strength and/or dynamic probe strength testing (as appropriate)
  • Soakage test: 1no preliminary falling head soakage test
  • Laboratory testing: 4no geotechnical classification tests (plasticity index, sulphate, etc.)
  • Reporting: Interpretive geotechnical report with desk study, foundation options, design parameters for shallow footings, CBR values, soakage potential and excavation stability.

Please note all prices exclude VAT and all contracts are subject to our standard Terms and Conditions.

General Assumptions


Access (window sampling): We have assumed there is access for a tracked drilling rig 800mm wide and 2500mm long, without steps, steep slopes or tight corners. Please see the profile sheet. If in doubt, please ask.

Access (cable percussion): We have assumed there is access for a 7m long trailer towed into position using a 4wd.  Please see the profile sheet. If in doubt, please ask.

Parking: We have assumed there is free parking for at least 1no large flatbed truck and trailer.

Hours: We have assumed the work can be carried out during normal working weekdays 8:30-4:00pm. Additional charges apply for weekend or night works.

Reinstatement: All holes will be backfilled with arisings and left flush and level. Excess spoil will be bagged and removed from site. If you require reinstatement, for example paving, tarmac or concrete, we can arrange this at £120 per hour and materials at cost +20%.

Monitoring wells: These will be left in-situ on completion of the monitoring. The installation is finished with a flush stopcock type cover.

Cancellation: We can provide a full refund if the work is cancelled with at least 5 full working days notice. After this, we can provide a 50% refund if the work is cancelled up to or during the fieldwork. We are unable to provide any refund once the fieldwork is complete.

Standing time: We are unable to refund any costs where we attend site but are prevented from carrying out the work by matters not under our control. Time spent standing awaiting access, etc will be charged at £120 per hour.

VAT is chargeable on all costs at the prevailing rate (currently 20%).