Air Tightness Testing

The revised Part L building regulations requires a mandatory air pressure testing for new dwellings/ buildings to determine its Thermal Performance. All new single dwellings will require air pressure test from the 1st of July. Guidelines have been set out in relation to developments. These guidelines are outlined below.


Number of Units

Number of Tests Required

4 or less

One Test


Two Tests


5% of Dwelling Type


2% if target is reached


5% if target is not reached



If you require an Air Pressure Test for your property, please call us at 01 4548300 to seek a quotation or email us at

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