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Welcome to L1 Testing Limited "Our Aim is a First Time Pass"
Under the 2006 Part LIA Building Regulations Conservation of fuel and power, as from 1st April 2007 any new dwelling is subject to an Air Tightness Test.
We carry out Air Leakage Tests to Domestic and Commercial properties under Building Regulations L1 and L2
L1 Testing Ltd are registered with the British Institute of Non Destructive Testing (BINDT) to perform tests on new dwellings.
Our procedures are carried out in accordance with the guide lines set-out in the Air Tightness Testing and Measurement Association (ATTMA) Technical Standard TSI.
- Carrying out the tests complying with diagnostic testing methods using calibrated state of the art Retrotec equipment and supporting Doorfan 3 software programming.
- Pre-testing and fault finding together with site inspections and operative workshops.
- Design input at an early stage in the project.
- Air tightness test to comply with Building Regulation Part L1a & L2a.
- Issue a pass certificate (BINDT Compliant) upon successful completion of the test.
Competitive Pricing
Multiple Properties - Discounts Available

To book a test, to request a quotation or to talk air testing...
Call: 0845 094 9369 (calls at local rate)
or
Contact us through our contact page
To carry out the test we will require a copy of your SAP calculations and a full set of dimentional drawings.
We can also arrange for SAP/SBEM calculations and sound tests at competitative prices.
We can also arrange for Energy Performance Certificates.
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