We have completed hundreds of consultancy projects for clients including Rolls Royce, Nottingham City Homes and Ofgem.
Due to our knowledge of a vast range of aspects of sustainability we provide holistic advice covering all aspects of energy efficiency and renewable energy as well as wider issues such as resource use.
Types of previous projects include:
- Energy audits
- Resource efficiency assessments.
- Renewable energy design and surveys
- Carbon footprinting
- Data logging
- Sustainability advocacy and workshops


Please contact us with your needs and one of T4’s Directors will get in touch to talk about how we can help.
For examples of previous reports and case studies please see our archive page below.