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We are Building Services Engineers and Building Physicists providing a wide range of services to designers of the Built Environment.

We passionately believe in the move to make the UK’s housing stock, community and commercial buildings as energy efficient as possible – both for retrofit application and in the development of new structures.

We believe that the best standards to aim for to achieve these aims is AECB or Passivhaus.

To help us better understand your needs, it would be really useful to know more about your enquiry and the project you have in mind. Please fill in this form and we’ll be in touch.



    Structural Engineer


    Project Manager




    Main Contractor



    Click here for more information on certifications

    Call us on

    01225 862605


    Suite 3, Second Floor, The Old Brewery, Newtown, Bradford on Avon, BA15 1NF Our main office base is Bradford on Avon, we also have a base in West Yorkshire.

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    Passivhaus is an international standard for energy efficiency in buildings, it is performance based and applies equally to new-builds and refurbishments.

    The Passive House Planning Package (PHPP) is the model used to guide the design of a functioning Passivhaus, calculating the energy usage. At Greengauge we believe that using this compliance tool delivers against the Passivhaus principles and should be used wherever possible, whether seeking accreditation or not.

    We are members of the Passivhaus Trust

    You can read more here.


    The Association of Environment Conscious Building is a network of organisations promoting sustainable building. The AECB Building Standard is aimed at those wishing to create high-performance buildings using widely available technology.

    We are members of AECB.

    You can read more here