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Call us now on: 07881 806 964, or email:

Close up of slate wall corner at Centre for Alternative Technology

Why Choose Us?

We are passionate about making buildings work as well as possible, to make them energy efficient, comfortable and healthy. Building performance testing is a vital part of this process. We love talking about how buildings work and how we can make them better, so get in touch any time.

Wales Building Performance is run by Toby Keep (right).

My qualifications include:


  • MSc in Sustainability and Adaptation in the Built Environment

  • ATTMA Level 1 Airtightness Tester

  • ATTMA/Passivhaus Trust Certificate in Testing Low Energy Buildings

  • Certified Passive House Tradesperson

  • ABBE Level 3 Certificate in Domestic Energy Assessment

  • ABBE Level 3 Certificate in Surveying and Calculation of Heat Loss

  • AECB Carbonlite Retrofit Foundation Course Graduate

  • Level 1 Training Course in Infrared Thermography (working towards BINDT accreditation)

Image of Toby Keep
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