Soakage testing UK is essential for drainage design and planning compliance.

Ground Soakage and Drainage Feasibility Testing

Fast, Clear and Compliant Soakage Testing & Drainage Feasibility Testing


Planning-ready infiltration testing to support drainage design and condition discharge.

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Soakage Testing UK

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OK GeoSolutions provides BRE 365 infiltration testing and drainage feasibility assessments

to support:

– Planning applications and condition discharge –

– Drainage strategies and SuDS design –

– Flood Risk Assessments (FRA) –

– Residential and commercial developments –

in accordance with:


– BS 5930 (ground investigation logging) –


– BS EN 1997 (Eurocode 7 – ground investigation) –


– BRE Digest 365 (soakaway design methodology) –

We provide clear infiltration rates (f-values) and practical recommendations that can be directly used by drainage engineers and planners.

Focused, fast and commercially practical

Unlike larger consultancies, OK GeoSolutions focuses on delivering targeted ground investigation that directly supports project progress.

Competitive pricing

for small to
medium developments


Mobilisation

within 5–10 working days


Results

typically issued within
48 hours of testing

Clear
reporting

tailored for engineers
and planners

We understand that infiltration testing is often on the critical path for drainage approval, and we structure our work to minimise delays to your project.

How the process works:

1. Initial Enquiry

We review your site layout, drainage proposals and testing requirements.

2. Scope & Quotation

We provide a clear, proportionate scope aligned with BRE365 guidance.

3. Site Testing

Trial pit excavation and infiltration testing undertaken safely and efficiently.

A typical infiltration testing scope may include:
– Excavation of trial pits to 1.5–2.5m depth
– BRE 365 / Borehole soakage testing (multiple refills)
– Logging of ground conditions in accordance with BS5930
– Monitoring of groundwater conditions

4. Results & Reporting

Results issued typically within 48 hours, including:

– Infiltration rate (f-value)
– Ground conditions
– Practical drainage recommendations

5. Support

We remain available to discuss results with your engineer or drainage consultant.

When You Might Need This:

Planning requires a drainage strategy or SuDS design

You need to discharge a planning condition

Your engineer requires infiltration rates

You are developing on chalk, sand or permeable soils

Surface water disposal options are being assessed

★★★★★
OK GeoSolutions were very helpful and accommodating for investigations that were needed on a large project at short notice. The written results were clear and detailed and any queries explained in the follow up phone call. I would definitely use again and recommend to clients
Jonathan TalleyJonathan Talley Architects Ltd.

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