Join the UK's largest network for environmentally responsible building
Connect with others to share knowledge and promote building for the future.
AECB CarbonLite™ Retrofit Coordination Course
Become proficient in retrofit coordination and help effect deep and lasting change in the building design and construction industry, as we work together to achieve a net zero carbon future.
Buy design software and training to help with your project
PHPP (Passivhaus Planning Package), designPH
AECB members get a discounted rate
Browse Our Members Directory
Find a product or service from our many members spread all over the UK
You are sure to find a member with the skills you need
The AECB Low Energy Building Database(LEBD)
The database contains a growing number of low energy projects, owned, designed or constructed by AECB members.
Who are we & what do we do?
Who are the AECB?
The AECB (Association for Environment Conscious Building) is a network of individuals and companies with a common aim of promoting sustainable building.
Running since the 1980's the AECB are the largest and oldest network for sustainable building
What do we do?
We bring together contractors, trades people, self builders, architects, designers, engineers, manufacturers, housing associations, local authorities and academics to help develop, share, train and promote sustainable building best practice. We promote excellence in design and construction
Why do we do it?
Because we want to help educate and help effect deep lasting change within the construction industry. We are part of the change to help better our lives (as well as others and the planet) & well being through comfort, health and sustainability in our homes. The AECB is run by its members and is an independent, not for profit organisation

Join like-minded people and companies
Our network, our knowledgebase, training, member discounts, events plus networking & marketing opportunities for your business
We offer training to companies and individuals
Carbonlite Retrofit course, Passivhaus, AECB Building Standard. We also hold regular webinars and conferences.
Use our wealth of information on environment conscious building
Building standards, research, case studies, technical articles, raw data and facts. Extra content exclusive to members.
We have a great network both online and offline
Events, webinars, local groups, conferences. Get involved, meet like minded people and be part of the change.Read the latest news from the AECB and its members
Keep up to date with the world of sustainable building
Join us at our upcoming events
There's lots going on from local meet-ups to webinars and a national conference. Please browse our calendar to see what's coming up soon.
AECB Knowledgebase
A place for building knowledge
The AECB’s Knowledgebase is an online collection of reports, articles, research papers and case studies which AECB members can download or read online
- The Knowledgebase literally brings a library of building knowledge to your fingertips.
- Better still, it’s quick and easy to call up a list of articles on a given topic when you need it.
- Read the overview or download the whole document.