About Us

Ecospheric is an award winning sustainable building and energy consultancy supporting projects to achieve ambitious targets for decarbonisation. We develop innovative solutions for passive house certified new builds and retrofits, Paragraph 84e and Paragraph 139 country houses, and integrated energy strategies for residential homes and commercial buildings.

Our team of expert consultants are leaders in the industry serving as Passivhaus and AECB consultants and certifiers, providing strategic leadership for the Passivhaus Trust and AECB, and contributing to the latest research on sustainable building practices in partnership with the University of Liverpool.

Ecospheric's property developments incorporate the latest low energy technologies and methodologies. Our in-house developments include 5 new build passive house premium certified dwellings, the zero energy retrofit of an Elizabethan-era grade II* listed manor house and the conversion of a 300-year-old Yorkshire barn to off-grid group accommodation.

Team Members

Kit Knowles

Managing Director, MEng

Kit's enthusiasm for driving sustainability in the built environment is seamlessly combined with a deep technical understanding. Unrivalled in his ability to scope, define, and passionately deliver innovative, engaging strategies for bids and planning applications.

Kit serves on the board with the AECB, is a member of BEEF, Technical lead with he GMCA (domestic and commercial retrofit streams) and advises the National Retrofit Hub. He guest lectures at a number of universities, underscoring his commitment to knowledge-sharing and advancing sustainability within the industry.

Likhita Karanam

Sustainability Consultant, MSc

Likhita is an architectural assistant supporting projects by carrying out energy modelling and carbon calculations, building services design, and optimisation.

Tiffany Chong

Office and Project Support

Tiffany is the first point of contact for Ecospheric's clients and provides project support.

Oleksandr Katrenko

Site Construction

Oleksandr provides general on-site support for the construction team.

Ben Riddle

Technical Director, MEng, CEng

Ben spearheads our technical team, delivering energy modelling, optimisation, building services, and renewable energy solutions.

He ensures our market leadership through comprehensive understanding and application of emerging standards, software, and sustainable technologies.

A chartered engineer and one of the country's most qualified sustainability consultants, Ben epitomises our commitment to excellence.

As one of the leading experts, Ben also serves as one of the Passivhaus & AECB Carbonlite official certifiers.

Luke Dickens

Site Manager and Researcher, MSc

Luke oversees Ecospheric's construction team and is completing an industry-based PhD researching the sustainable application of lime in the repair of sensitive masonry for historic buildings

Neil Buttery

Office and Accounts Support, PhD

Neil manages finance and accounts for Ecospheric in addition to his other career as a food historian and author.

Niels Bezuijen

Sustainability Consultant, MSc

Niels is a skilled problem-solver who looks for opportunity to optimise sustainability throughout the architectural design process.

Fuelled by a passion for sustainability his innovative design and technology solutions render even the most improbable projects genuinely sustainable.

Supported by Bens team, he is able to use the latest building modelling information to optimise and ratify possibilities during an in-depth optioneering process. Niels' particular expertise lies in reducing embodied carbon through mass and lightweight timber solutions.