GUARANTEED across the uk.

air tightness


Air tightness testing is a highly skilled process that identifies gaps and cracks in your property where heat escapes through the external walls of a building. Air tightness is not only important for lowering heating bills, but it is also a necessary component of a healthy, comfortable, and energy-efficient home.

Air tightness, in conjunction with proper ventilation, improves a home's indoor air quality by preventing the entry of allergenic air particles or dangerous toxic mould spores that could be harmful to health.

our services

Air Tightness Testing

Smoke Testing

Heat Loss Survey

Technical Coordination

Building Regulations

Construction Specification

our customers

find out why these brands trust us to perform their air leakage testing, at multiple sites across the UK

domestic testing

Air test solutions provide air tightness testing for dwellings across the UK within 24 hours guaranteed. Also known as air pressure testing, it calculates the air tightness of a building, known as its ‘air permeability’ or ‘leakage rate'. Testing is important when designing the fabric of low energy buildings to ensure air does not leak through any gaps, holes or cracks. Excessive air leakage makes the building less energy efficient and more expensive to run

Under Part L of the UK Building Regulations, Air Permeability Testing is a mandatory requirement for newly built dwellings – and a necessity for passing final  SAP Calculations.

commercial testing

Commercial air pressure testing, also known as commercial air tightness testing of non-domestic buildings is a requirement of Approved Document L: Volume 2 of the current UK Building Regulations. It is intended to prevent air leakage in buildings which is the uncontrolled flow of air through gaps and cracks in a building fabric, also known as infiltration or draughts.

Most new build non-domestic buildings will now require a commercial air pressure test, as will large extensions to existing buildings.

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