Patron Members

Hastoe is an independent registered housing association that owns and manages over 7,500 homes of mixed tenure, including affordable rent and shared ownership. As the UK’s leading rural housing provider, it supports communities in 70 local authority areas across the south of England; from Cornwall to Norfolk. Its roots are View listing →

Ecology Building Society provides ethical savings accounts and green mortgages for properties that benefit the environment. The prime focus of the Society is to promote an ecological approach to the built environment in the UK, and thereby foster sustainable communities. We seek to minimise energy use and waste in both View listing →

Willmott Dixon is a privately-owned contracting and interior fit-out group. Founded in 1852, we are dedicated to leaving a positive legacy in our communities and environment and in 2018 were one of only six companies to receive a Queen’s Award for Enterprise in the promoting opportunity through social mobility category. View listing →

WARM is an independent consultancy with the theoretical and practical understanding to bring pioneering low energy buildings from design to reality. WARM was set up in 2009 by father and daughter, Peter Warm and Sally Godber, with the aim of creating buildings with real energy savings. All our full-time staff View listing →

With 40 years of experience in the insulation industry, we are leading the change in smarter insulation solutions for a better world. We are one of the fastest growing and most respected names in insulation worldwide. We are committed to helping our customers to meet the increasing demand for energy View listing →

At 21°, we believe you thrive in the places where you experience comfort. Delivering a low energy or Passivhaus building is complex, and you need a solution rather than a single product. At 21°, we are committed to using a whole house approach to provide better performing buildings from a View listing →

We’re Greengauge Building Energy Consultants. We are one of the UK’s most experienced and trusted building and engineering consultancies specialising in sustainable, low energy design. We work with architects, homeowners and commercial landlords all over the UK on new build and retrofit projects in both the residential and commercial sectors. View listing →

Nexus provide innovative, sustainable and efficient ICT solutions integrated with the buildings they are designed for and the occupants and end-users that will use them. Our staff combined have over 250 years experience of designing, delivering and operating ICT solutions. From inception our solutions are designed to be energy efficient View listing →

PHH supply a complete construction solution, PH15, for Passivhaus housing projects. PH15 covers the three essential Passivhaus elements, the thermal shell + triple-glazed windows + MVHR system. PH15 has been optimised to minimise thermal bridges, to deliver excellent airtightness, to effectively manage any overheating risk, & to keep the uplift View listing →

Aluprof is one of the prominent European suppliers of architectural aluminium building systems for both commercial and residential building constructions. Aluprof’s product portfolio includes windows, doors, unitised systems, curtain walling, facades, rolling shutters, garage doors, framing systems and entrance doors. The vast product library of Aluprof with fire-rated and Passivhaus View listing →

Max Fordham is an environmental building services engineering consultancy. For over 50 years, they have engineered energy, air, light and sound to bring buildings to life. From their five UK offices they have worked with the world’s leading architects on some of the worlds greatest buildings. Max Fordham’s Passivhaus portfolio View listing →

Build Homes Better provides a range of high quality ICF systems for walls and foundations that can be used to construct almost any kind of building and exceed Passivhaus requirements with ease. We work with self-builders, architects, housing associations and developers to offer a simple, fast, and green construction solution View listing →

The A. Proctor Group’s range of construction membranes has been designed using years of research and development to provide comprehensive protection to the building envelope from both inside and outside of the structure, also addressing the requirements of heat, air, moisture management within the building element. Based on this research, View listing →

Munster Joinery is now among the largest manufacturers of energy efficient windows and doors in Europe. We supply premium windows and doors across the UK. View listing →

Ecological Building Systems has been at the forefront of Intelligent Airtightness and Windtightness building product solutions and natural insulations for over a decade, gaining the sole agency in Ireland and the UK for ‘pro clima’ air & windtight products; GUTEX wood fibreboards; Calsitherm Climate Board; Diasen Thermal Plaster Systems, Thermo View listing →

Morrison Construction is part of Galliford Try, one of the UK’s leading construction groups employing 3,700 people across the country. We are a people-orientated, progressive business, driven by our values to deliver lasting change for our stakeholders and the communities we work in. We are passionate about our role in View listing →