Commercial Ground Source Heat Pump Borehole Drilling
Onsen provides commercial-scale borehole drilling for contractors, consultants and developers across the UK. Combining specialist expertise with practical experience, we help lay the foundations for successful ground source heat pump projects.
Our Drilling Process
Every project is different, but our approach follows a structured process designed to support safe, efficient and precise borehole installation.
What Sets Onsen Apart
Early Project Involvement
Working closely with consultants and project teams from the outset helps identify challenges early and support informed project decisions.
Specialist Equipment
Our drilling fleet and mud processing plant support efficient operations across a wide range of project types, site conditions and access constraints.
Transparent Communication
Clear reporting, regular updates and close collaboration help keep stakeholders informed throughout the drilling process.
Borehole Lifecycle Tracking
Access to live project information, certification and drilling records helps support efficient project management and compliance.
Working With Us
The standards we hold ourselves to across every project, shaping how we work with clients, partners and project teams.
Safe & Tidy Site Management
A structured approach to site operations helps minimise disruption, maintain high standards of cleanliness and support safe working environments.
Strong Project Delivery
Careful planning, clear communication and proactive coordination help keep projects progressing on time, on budget and to specification.
Compliance Built In
Rigorous safety, quality and compliance procedures are embedded throughout our operations, supported by regular checks, documentation and certification management.
We Deliver On Programme - See Our Latest Projects:
Onsen provides the technical insight and delivery capability needed to keep commercial ground source heat pump projects on track. Accurate data, reliable execution and transparent reporting help teams make informed decisions at every stage.
.jpeg)
Delivering Low-Carbon Heat at Campus Scale Through Ground Source and Waste Heat Integration
- 49 boreholes installed
- 250 metres depth per borehole
- Integration with recovered data centre heat
GSHP Drilling for Care Home Facility in Bedfordshire
- 12 boreholes drilled
- 90kW system capacity
- Potential groundwater risk mitigated
Large-Scale Ground Source Heat Pump Project in Central London
- 76 boreholes
- 18,000+ meters of drilling
- Overcame challenging access constraints in a dense urban environment
Sustainable Off-Grid Living with Onsen Energy and Kensa’s Shoebox NX
Sustainable GSHP Drilling Project for UK Secondary School & College
- Over 1MW installed heating energy
- Minimal disruption to the live learning environment
- Maintained a clean site using specialist mud processing and ground protection equipment
32 Zero Carbon 'In Use' Homes with Ground Source Heat Pumps in Lewes
- 32 affordable rent and shared ownership homes
- 15 boreholes
- Cheaper, greener and more secure energy for residents
Planning a ground source heat pump project?
Talk to our team about borehole drilling requirements, site constraints and project timelines.