Image of OCU Northavon acquisition

OCU Northavon

offering a wide range of services to the water sector
and infrastructure projects across the South West of England and South Wales

OCU Northavon

OCU Northavon

OCU Northavon

Acquired by OCU Group in 2023, OCU Northavon offers a wide range of services to the water sector in the South West of England and South Wales, including mechanical, electrical, instrumentation and civils design, construction and installation of clean and wastewater treatment facilities, maintenance and more.

Acquired Brand

OCU Northavon logo






OCU Northavon accreditations

For over 30 years, OCU Northavon has partnered with blue chip clients including Wessex Water, Dwr Cymru Welsh Water, South West Water, Thames Water, Barratt Homes, Persimmon, and Ancalla on projects of all shapes and sizes.

From multi-million pound upgrades to water treatment plants, new highway infrastructure, housebuilding groundworks, utility consulting projects and more.


Phil Ramsden
Group Operations Director

Phil is a civil engineer with over 25 years of experience giving him direct relationships with several major clients in both the public and private sectors, both nationally and in the South West, including Devon County Council, South West Water, National Highways, Somerset Council and many others.

Image of Phil Ramsden


OCU Northavon water provides design, installation, management and commissioning services for a wide variety of mechanical, electrical and civil engineering projects across the UK, specialising in clean and wastewater solutions. OCU Northavon infrastructure provides a complete turnkey wrap for the developer market covering utilities, new connections, highways works, surfacing, civil engineering and groundworks services.

OCU Northavon capabilities image


From concept and design to delivery and commission, OCU Northavon’s end-to-end solutions are used in a variety of sectors and industries, including water and waste utilities, building and construction, industrial and residential projects, and more.


Mechanical Engineering

Electrical Engineering

Civil Engineering




New connections

Self-lay services (ICP)

Water treatment solutions (temp and perm)

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We design, supply and install Submerged Aerated Filter (SAF) wastewater and trade effluent treatment solutions. Our robust SAFs are manufactured in a wide range of configurations for both Municipal and Industrial treatment applications including: SAF For removal of BOD, COD & Ammonia, I-SAF our intelligent SAF systems with 50% increased power efficiency and our Anoxic SAF designed to remove Nitrate NO3. With over 40 years’ experience in the wastewater treatment industry, in both the public and private sector, Setfords deliver high quality, robust wastewater treatment solutions.


OCU Northavon


Lakeside House,
Blackbrook Park Ave,

Contact Details