Memberships and Affiliations

Membership and Affiliations — Our professional memberships and affiliations reflect our commitment to high standards in sustainable construction and building design.

EZ Design & Construction Ltd is proud to hold memberships and affiliations with several leading organisations in the sustainable construction industry. These memberships demonstrate our commitment to high standards of workmanship, environmental responsibility, and continuous professional development.

Being a member of bodies such as the Passivhaus Trust and the International Passive House Association (iPHA) means we stay up to date with the latest principles in low-energy building design and performance. Our affiliation with the Passive House Institute (PHI) reinforces our dedication to delivering energy-efficient homes and buildings that meet internationally recognised performance standards.

As part of the Green Register of Construction Professionals, we connect with a network of like-minded professionals who prioritise sustainability. We also actively support the Association for Environment Conscious Building (AECB), which promotes sustainable design and building practices across the UK.

Each of these affiliations helps ensure our team stays aligned with best practices, access to technical training, and a shared ethos for sustainable, healthy, and future-ready buildings.

Below, you’ll find more details on each organisation we’re affiliated with, along with direct links to our profile on their official websites.

Memberships & Affiliations

Passivhaus Trust

The UK’s leading authority on low-energy building standards. Membership reflects our commitment to sustainability and high-performance design.

International Passive House Association (iPHA)

Global community promoting the Passive House standard. Membership highlights our international alignment with sustainable practices.

Passive House Institute (PHI)

Original certifying body for Passivhaus buildings, supporting energy-efficient and sustainable design worldwide.

The Green Register

Independent organisation promoting sustainable building practices. Our membership reflects our dedication to green construction techniques.

AECB – Association for Environment Conscious Building

UK’s largest sustainable building network. Our AECB membership demonstrates our dedication to responsible building and environmental standards.

Professional Membership and Affiliations

EZ Design & Construction Ltd is proud to hold a number of respected membership and affiliations with some of the most trusted organisations in the sustainable construction and energy-efficiency sectors. These partnerships reflect our values, experience, and long-term commitment to high-quality, environmentally conscious building practices.

Membership and Affiliations

By being active members of leading industry bodies, we ensure that our team stays aligned with best practices, regulatory standards, and the latest advances in sustainable building techniques. These membership and affiliations provide us access to ongoing training, technical resources, and a professional network — all of which support the high level of service and performance we deliver to our clients.

Passivhaus Trust

The Passivhaus Trust promotes the adoption of the Passivhaus standard in the UK — the world’s leading approach to low-energy building. Our membership signifies that we are committed to delivering buildings that drastically reduce energy usage, increase comfort, and improve long-term performance. It aligns with our core goal of sustainable, environmentally responsible design.

International Passive House Association (iPHA)

As members of the International Passive House Association (iPHA), we join a global community dedicated to energy-efficient construction. This affiliation allows us to engage with best practices, building science, and innovation from professionals around the world, helping us apply international standards to local projects.

Passive House Institute (PHI)

The Passive House Institute is a renowned scientific research body behind the Passivhaus standard. Our affiliation provides access to technical resources and the latest research in building performance and energy modelling. It supports our ability to deliver high-performing building envelopes and insulation systems.

The Green Register

Our membership with The Green Register connects us with UK professionals focused on sustainable building practices. This platform enables us to stay updated with ecological design strategies, non-toxic building materials, and training in sustainable construction. It further validates our dedication to delivering environmentally responsible projects.

AECB – Association for Environment Conscious Building

The Association for Environment Conscious Building (AECB) promotes sustainable building practices and high-performance construction across the UK. Our affiliation with AECB means we actively support the reduction of carbon emissions, energy demand, and environmental impact in every project we undertake — from external wall insulation to complex refurbishments.

Why These Membership and Affiliations Matter

We believe that professional membership and affiliations are a sign of trust, expertise, and dedication. Each organisation we are aligned with reinforces our goal of raising construction standards and promoting better building across the UK.

Our clients gain confidence knowing we are not just installers — we are qualified, informed, and connected to the wider professional community. These affiliations aren’t just symbolic; they actively influence how we approach every project — with professionalism, care, and a commitment to doing things the right way.

Whether you’re hiring us for a full external wall insulation system, specialist rendering services, or sustainable retrofit, our membership and affiliations reflect our ability to deliver value, quality, and peace of mind.

Scroll below to explore each membership in detail. Click on any logo or title to visit our official listing on the organisation’s website.

Learn More About Us

Testimonials
What our clients say — verified Google reviews.
Trade Memberships & Affiliations
Passivhaus Trust, iPHA, The Green Register, AECB, and more.
Qualifications
Professional certificates, CIOB training, and academic qualifications.
NVQs
Vocational qualifications in solid plastering, EWI, supervision, and more.
Academic Education
Degrees in Design & Construction Management and Sustainable Building Design.
Safety Training
SMSTS, CSCS, Asbestos Awareness, Gas Safety Awareness.
Technical & Manufacturer Training
Weber and EWI Pro approved installer status, software, and materials training.

Philip Cottrell

17:27 14 Nov 24

Very professional and high quality workmanship.Eddie and team completed external silicone render to our front gable. Eddie takes great pride in his work. He masked adjacent decorative brickwork and eaves to ensure they were fully protected. Thank you Eddie for an outstanding job.

Bradley Masher

16:34 08 Nov 24

Fantastic delivery from start to finish. Clear and informative communication every day with all rendering work being delivered to a high quality. Very clean and tidy working practices with a lot of care taken when protecting patio, windows etc. I would highly recommend!

Theresa Blythe

17:28 09 Sep 24

When we stared looking at rendering Ed came over and spent time explaining various options that we could take. They did a great job insulating and rendering our house and kept our property very tidy during the process. We are very happy with how it now looks and hope that our home will be much warmer this coming winter.

Andy Care

21:05 06 Feb 24

I contacted Erdal of EZ through recommendations, he came and spoke through my choice of options between Weber and K Rend, showed good product understanding and experience. We agreed on the Weber, set a date and gave quote. Works completed to a very high standard, very tidy and precise and showed a passion for his workmanship and delivery. Photos show the standard, very pleased and satisfied with the work. Polite and respectful to the family In my absence also. Highly recommend.

Sonia Weeks

18:33 06 Feb 24

Excellent job!, external wall insulation and silicon render. The craftsmanship and the standards were high. I recommend EZ Design and Construction for similar jobs. Good work and value.

Agata Rapuleng

12:47 29 Mar 22

Eddie has done external insulation on our house very recently. The service provided has been excellent, the communication very good throughout the job, the advice really good and an excellent finish. The house looks great and Eddie's expertise in this area is genuinely amazing. I highly recommend their services.