Ernest Dence Estate
Greenwich
Installation of boreholes for ground source energy systems.
Client · Royal Brough of Greenwich Council

Subsurface Hydro Ltd · Company 13456898 · Trading heritage since 2021
Active, accounts up to date·subcontractor & consultant·Head office London
Subsurface Hydro Limited is a specialist contractor with over 50 years of combined technical and practical experience in engineering and delivering a wide range of groundwater technologies. The company focuses on open-loop boreholes for ground source energy, water supply wells, and borehole rehabilitation, development, and maintenance. They also offer expertise in pumping tests and investigations, groundwater pumping systems, water treatment, monitoring and controls, and HDPE pipework.
They pride themselves on working closely with clients and partners to achieve the best project outcomes while safeguarding groundwater resources. Their services include everything from initial hydrogeological appraisals and Environment Agency consent applications to drilling, development, testing, pump and pipework installation, and ongoing maintenance. Subsurface Hydro aims to ensure compliance with consents and licenses, and best practices are followed to guarantee long-term system performance.
The company has a proven track record in successfully delivered schemes, collaborating with renowned ground source energy consultants. Their team brings extensive experience in groundwater management, drilling processes, and pumping systems, applying this knowledge to specialist areas like open-loop ground source energy boreholes.
Greenwich
Installation of boreholes for ground source energy systems.
Client · Royal Brough of Greenwich Council
London
Installation of boreholes for ground source energy systems.
Client · Westminster City Council/HE Simm
Borehole project.
Client · MMU
Borehole project.
Client · G-core Limited
Installation of boreholes for ground source energy systems.
Client · Hex Energy Ltd.
London
Installation of boreholes for ground source energy systems.
Mayfair
Installation of boreholes for ground source energy systems.
Client · Prada
Installation of boreholes for water supply.
Client · Baxter Food Group
London
Installation of boreholes for ground source energy systems.
Client · E.ON
Royal Brough of Greenwich Council, Westminster City Council/HE Simm, MMU, G-core Limited, Hex Energy Ltd., Prada, Baxter Food Group, E.ON.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Experienced Ground Source Energy Drilling Contractor and Water Supply Borehole Specialist providing a range of Groundwater Technologies. We offer a complete package from Environment Agency consents and licence applications, borehole design and drilling, borehole development, high quality pumping tests, pump and pipework installation, monitoring and borehole maintenance. Their listed services include Groundworks, Utilities, Civil engineering, Piling and Drainage.
Subsurface Hydro Ltd is registered at 71-75 Shelton Street, London, WC2H 9JQ, in London.
Subsurface Hydro Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Subsurface Hydro Ltd does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £380k and £1.5m. This is an estimate, not a filed figure.
Companies House lists Subsurface Hydro Ltd as active, with accounts most recently made up to 2025-06-30.
Subsurface Hydro Ltd works in Energy.
Subsurface Hydro Ltd was incorporated on 2021-06-15.
Track budgets, committed costs, invoices and profitability in one place, so cost issues show up before they turn into margin surprises.