Testing Ltd
Air Tightness Testing | Call: 0845 094 9369

Air Tightness Testing

“Our aim is a first time pass”

Domestic Testing »

Domestic Testing »

L1 Testing Ltd operate a Nationwide Air Testing service with strategically placed qualified air testing engineers in 4 Regional locations enabling a minimised response time.

L1 Testing carry out tests to both domestic and commercial buildings of all sizes.

Our customer base includes national companies, developers, builders and self-build projects.

Size doesn't matter to us.

About us

About us

L1 Testing carry out air leakage testing to Commercial buildings.
Under Building Regulations L2, all commercial buildings must be subjected to an air leakage test by a certified testing authority.

We offer a consultancy service at design stage and also carry out site inspections to ensure your building will pass an air leakage test first time.

We test when you want, which is important in this day of completion targets and issue a certificate on the day.

For a quotation or informal discussion please contact us or call 01743 355 794.

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Our Locations

  • Castleford
    33 Great George StreetLeedsWest YorkshireLS1 3AJ
    Tel: 01977717917
  • London
    143 Kingston RoadWimbledonLondonSW19 1LJ
    Tel: 02035070342
  • Shrewsbury
    Global HouseShrewsburyShropshireSY2 6LG
    Tel: 01743355794
  • Taunton
    Bridge HouseTauntonSomersetTA1 1TG
    Tel: 01823230182
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