
Office Closure for St Patrick’s Day 2026
The Bennett Freehill office will be closed for St. Patrick’s Day on Tuesday 17th March. We’ll be back to business as usual on Wednesday. Wishing
Bennett Freehill is one of the UK and Ireland’s leading Building Services and Sustainability Engineering Consultancies providing sustainable, multi-disciplined design services. We are qualified Passivhaus and NZEB Designers and provide Commissioning Management and BREEAM Assessments services.
For over 20 years we have been providing innovative and practical sustainable engineering solutions of the highest quality and standard to create outstanding buildings for our clients.
We are focused on creating a fun and rewarding environment for our team, allowing us to nurture and retain the most dynamic and technically accomplished talent in the industry. This culture ensures we deliver pioneering, pragmatic MEP design excellence for our clients and colleagues.

The Bennett Freehill office will be closed for St. Patrick’s Day on Tuesday 17th March. We’ll be back to business as usual on Wednesday. Wishing

Last week the project team celebrated the topping out of Weavers’ Hall – Ireland’s largest Passivhaus building for Queen’s University Belfast! Reaching full height at

Bennett Freehill is proud to have provided Mechanical and Electrical Engineering design services for Phase 2 of the Ravensbury Estate Regeneration in London, delivered on
A Chartered Building Services Engineer with over 15 years’ experience working with some of the UK’s foremost engineering companies, Cormac has been pivotal to the successful award and delivery of multi-million pound projects since being appointed to the role of Managing Director in June 2020 and rebranding the business as Bennett Freehill.
Cormac brings a new vision, new energy and fresh leadership to the team and is responsible for the strategic growth and development of the business, through supporting and undertaking marketing activities, and the training and development of our technically accomplished staff. In the role of design team leader and client liaison Cormac ensures that the team delivers pioneering, pragmatic MEP design excellence for our clients.
Cormac specialises in Passivhaus and Nearly Zero-Energy Building (NZEB) construction and is passionate about, and professionally skilled in, Renewable Energy Systems, Energy, Procurement, Design Management and Consulting Engineering.
A Chartered Building Services Engineer with over 15 years’ experience working with some of the UK’s foremost engineering companies, Cormac has been pivotal to the successful award and delivery of multi-million pound projects since being appointed to the role of Managing Director in June 2020 and rebranding the business as Bennett Freehill.
Cormac brings a new vision, new energy and fresh leadership to the team and is responsible for the strategic growth and development of the business, through supporting and undertaking marketing activities, and the training and development of our technically accomplished staff. In the role of design team leader and client liaison Cormac ensures that the team delivers pioneering, pragmatic MEP design excellence for our clients.
Cormac specialises in Passivhaus and Nearly Zero-Energy Building (NZEB) construction and is passionate about, and professionally skilled in, Renewable Energy Systems, Energy, Procurement, Design Management and Consulting Engineering.