A1 Air Testing provides a nationwide seven day a week service completing air-tightness testing for all new build homes checking their compliance to the Building Regulation requirement Part L1a.

From small new builds to large scales developments A1 can provide:

• Tests and envelope calculations
• Air tightness tests
• Pre Site checks
• Remedial Works

A1 Air Testings technicians are trained and accredited to BINDT (British Institute of Non Destructive Testing) using UKAS Calibrated equipment.


At A1 the company works hard to ensure that our prices are extremely competitive and provide good value for money.

It is important and a requirement to conform to Part L1a of the building regulations. This regulation improves the living conditions and costs for the occupants of the given dwelling by:

• Reducing Energy Costs
• Improving Occupant Comfort
• Reducing Co2 Emissions by reducing air infiltration

By choosing A1 Air testing to carry out your Air Tightness test, you will receive first class friendly service, from your first call.

A1 Air Testing is open seven days a week from 8am until 9pm.

For further details, visit the website at: www.a1airtesting.co.uk, or email: A1airtesting@aol.com