About Setfords Technology

Wastewater Treatment Solutions

Specialising in Submerged Aerated Filter technologies, Setfords design and build high quality biological wastewater treatment solutions for commercial, industrial and property development applications.  Our SAF, i SAF and Anoxic SAF biological wastewater treatment solutions deliver key commercial and operational benefits including:

• Reduced Footprint

• Simple Operation

• Robust in Performance

• High Quality Treatment

• 60yr+ tank asset life (Stainless Steel) for low Capex.


Our technical system design recommendations are based on a detailed understanding of the specific requirements of each project, ensuring we deliver the right technology for your processes, environmental and commercial drivers.

We offer a comprehensive range of project support and consultancy services including pre-project feasibility studies and initial conceptual design through detailed and fabrication design, monitoring and installation functionality & quality

Setfords Technology founder, David Setford is a Chartered Engineer with over 40 years’ experience in the wastewater treatment industry, both in the public and private sector. He is a respected industry expert in SAF technology, and has been designing and building SAF systems since 1993. He has assisted numerous Water Companies in the development of their SAF specifications and design standards.

Setfords Technology Ltd

Surrey Office
Tresco, Horsham Rd
Walliswood, Dorking,
Surrey, RH5 5RL, UK

Switchboard: +44 (0) 1306 627086




Setfords Technology Ltd

Head Office
Woolpit Business Park
Woolpit, Bury St Edmunds
Suffolk, IP30 9UP, UK

Switchboard: +44 (0) 1359 243500


Company number 11056528
Registered Address
30 Chancery House, St Johns Road,
Woking, Surrey,
GU21 7SA, UK