Welcome to WM Diagnostics – Air Tightness Testing, SAP, EPC in the South West
We are Registered iATS Air Tightness Testers who carry out Part L1a/L2a Air Tests on New Builds. We are also Accredited SAP Assessors who can carry out Assessments on New Builds, Conversions, extensions, Refurbishments and more.
We are located in the South West of the United Kingdom, and service the entire Country.
We also offer free assistance during the build process to identify potential failures or problems and advice on action required after completion if required.
Please click the relevant service you require on the menu above, or if you require them all please feel free to give us a call on or Contact Us.