Wales Group

There is an exciting wave of change happening in the UK sustainable building industry. The Welsh assembly recently voted through new legally-binding carbon emissions targets for the country, with more energy efficient new builds among the strategies for reducing emissions.

This AECB Wales group is being established because I believe that together we can inspire, develop and share our expertise in sustainable building practice.

 How will it work

In the early stages it’s likely to be a mix of webinars and face-to-face meetings, but we’ll decide the details together. As a first step, I’d like to meet you on a lunchtime webinar, see below for details.

Meet the group leader:

Hi, I’m Jasper Meade and with over 25 years’ experience in the sustainable building industry, I am committed to providing quality low energy solutions for high performance buildings. We have our own off-site house building factory in Wales producing fully engineered, insulated and air-tight closed panels using timber I-beams. I champion the growth of Passive House in the UK, particularly in Wales and frequently speak at building conferences.

I am a director on the board of Woodknowledge Wales, focusing on the development of companies involved in the supply, demand and use of timber in construction in Wales. I’m also a member of the Alliance of Sustainable Building Products. Believing firmly in education and innovation for the future, I regularly conduct CPD seminars at architect practices and universities.





Email the group leader

For general questions: email (Marketing Manager)


Twitter: @warmcel @PYCGroup

Facebook: @PYCGroup.Warmcel

LinkedIn: Jasper Meade



PYC Group – Open Day

We’re opening our doors on 1st May. Free to attend. Guest speakers. Lunch and factory tour Opportunity to discuss drawings Details will be posted on our Events page and emailed.   Follow us @PYCGroup & @Warmcel    

Find out more »
PYC, The House Building Factory, Buttington Cross Enterprise Park
Welshpool, Powys SY21 8SL United Kingdom
+ Google Map

Passivhaus Social – Cardiff

Don't miss this Passivhaus Social event aimed at Housing Associations, Local Authorities and all those involved with building energy-efficient housing. Jasper will be presenting 'Managing cost and delivery risk on low carbon schemes' but there's so much more. See the link for details and tickets.   Passivhaus, zero carbon & health. The Welsh Government has […]

Find out more »


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This topic contains 9 replies, has 6 voices, and was last updated by  Benjamin Owen 2 months ago.

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    Chat with members of the Wales group here. If you need a reminder of your log in details just email here.

    • This topic was modified 1 year ago by  AECB.
    • This topic was modified 1 year ago by  AECB.

    Emily Dibdin

    Hello? Is there anyone there?
    We are based in Swansea and in the planning stage for a deep retrofit of a 1985 house.


    Benedicte Foo

    Hi Emma

    Thanks for kicking this off. I lived in North Wales for several years and though based in Cambridge at the moment, am starting a complete renovation of a stone cottage in Gwynedd–so though it’s all v different from what you are embarking on in Swansea I am making contact!

    Would very much like to chat with anyone who has experience of cottages with random rubble walls, onto shaley ground with no foundations to speak of and their take on insulation and finishes to ground floor and stone walls.

    All best


    Emily Dibdin

    Hi Benedicte,

    Sounds exciting! There’s some stuff on the forums and I’m sure you’re linked with the guys at CAT who aren’t so far from your cottage? I think they’d have lots of connections and info. Not straightforward sorting that kind of house but rather a lovely challenge to have. (Long trek for you from Cambridge though!)

    Hope some more knowledgable people jump into this discussion…




    Hi Emily and Benedicte

    Glad to see your posts, I am Chris the organiser of the local group for wales and we are currently working on plans to rejuvenate the group and will let you know when and what we are planning in the near future, be good to meet you.

    As far as working on Rubble Walls etc, I would suggest that the best contact for advice, materials and also courses would be Ty Mawr Lime, based in Brecon who have huge amounts of experience in this kind of work.

    All the best



    Benedicte Foo

    Hi Chris

    Thanks–I had the feeling there was a previous Wales group. Good to hear it will be rejuvenated.

    Thanks also for the suggestion about Ty Mawr lime. I will follow up.

    Can you help me with a technical question on the aecb website? I seem to remember we used to be able to see/download drawings but now when I see discussions and people say: ‘you might find this detail helpful’ there is no drawing nor attachment. How do I get to the info?

    All best



    Hi Benedicte, hopefully I can help you with this. Please could you email me with the text and links in question so I can find what you are looking for? Many thanks Emma


    If i can be of any help, let me know, would be good to have a rejuvenated group.



    Emily Dibdin

    It would be good to know who’s around in Wales and whereabouts.
    Our project is a refurb in Swansea and any local connections would be very useful; but it would also be great to just find out what else is going on and what interested projects there are in Wales (lots, I think).


    Benjamin Owen

    Hi everyone,

    My name is Ben, I’m a graduate of CAT and recently have completed the AECB CarbonLite Retrofit course. I’m based in Machynlleth and just starting to get out into the world of energy assessing, retrofitting and natural materials.

    I’ve got no specific projects at the moment, but last week I was removing Victorian lime of a home in Cemmes and loved to see the lath perfectly preserved – amazing stuff. Hoping to get back on site in a couple of weeks time to get some experience with putting the lime back on the walls!

    Looking forward to seeing how this group develops.

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