Offices Nationwide 

Greater Manchester - Air Testing - 0161 403 0129

The office that covers this area is: Manchester

The towns & cities that are covered within this county are:
Ashton in Makerfield, Ashton Under Lyne, Bolton, Cadishead, Chadderton, Denton, Droylsden, Eccles, Farnworth, Golborne, Heywood, Hindley, Horwich, Ince-in-Makerfield, Irlam, Kearsley, Manchester, Oldham, Pendlebury, Radcliffe, Rochdale, Royton, Salford, Stockport, Swindon, Swinton, Trafford Park, Tyldesley, Urmston, Walkden, West Houghton, Westhoughton, Whitefield, Wigan, Worsley,

Phone Number: 0161 403 0129 Email:

Air Testing in Greater Manchester

At E2 Consultants we offer Air Testing throughout Greater Manchester and surrounding areas. Our experienced Air Testing assessors will also be happy to offer advice on the best ways to gain your target rating. The number of properties to be tested should be in accordance with the following table:

E2 Consultantsí accredited consultants can help you comply with EPBD Article 9 and the Energy Performance of Buildings Regulations. Our expert consultants will undertake an assessment of the efficiency of your air conditioning system, reviewing sizing / capacity and offering advice on any improvements or alternative solutions. These solutions, if implemented, can in many instances reduce costs and thus pays for the inspection in the first year.

According to Part L1a, an air pressure test needs to be undertaken on 50% of all dwelling types or three units of each type depending on which value is smaller. A block of flats is considered as a separate development and should be treated as such no matter on the number of blocks on the site. Furthermore, the testing should be done on the first batch of each type of dwelling to be completed. The need to test multiple versions of each type is to confirm the design and construction procedures are up to code according to Government regulations.

The dwellings that make up the test sample are to be chosen by the Building Control Body (BCB) as well as the pressure tester. When selecting the dwellings it should be taken into account that half of the tests for each type should be scheduled during construction of the first 25% of that type. All results, including failures, should be reported back to the BCB. Undertaking the test early in the project means any adjustments can be made before the majority of construction is complete.

Air Testing can also be known as an Envelope Test, Air Pressure Test or Air Permeability Test.

It is a requirement under the Building Regulations 2015 Part L that new dwellings in Greater Manchester must pass an Air Testing prior to occupation; this test certificate must be produced for the dwelling to be signed off by local Greater Manchester building control.


Area (m2)

Leakage Rates (m3/hr at 50Pa)
5 7.5 10 15 20 25
2000 0.51 0.76 1.01 1.52 2.03 2.54
5000 1.27 1.90 2.54 3.80 5.07 6.34
7500 90 2.85 3.80 5.71 7.61 9.51
10000 2.54 3.80 5.07 7.61 10.14 12.68
12500 3.17 4.75 6.34 9.51 12.68 15.85
15000 3.80 5.71 7.61 11.41 15.21 19.02
20000 5.07 7.61 10.14 15.21 20.29 25.36

The report has all the details required by the regulations to indicate that a valid test has been performed.

To carry out such a test with accurate results, we require some general requirements to be made available at the time of the test:

1. SAP Design air pressure test figure

2. Electricity supply

3. Water supply to enable traps to be filled

We will seal all of the intentional leakage areas in the house prior to testing. These include: fireplaces, extractor fans, exhaust fans, trickle vents and the odd uninstalled component. Everything else will have to stay 'as is' in the property.

It's strongly suggested that if you've never had a test before, that you review our air pressure / tightness pre-test checklist below.

Air Tightness Pre-Test Checklist

For a quote or for more information, call our Greater Manchester air tightness / pressure testing consultant on 0161 403 0129 or email

For further Air Testing information for your area, be sure to check out

Our other services include:
DSM / Thermal Modelling, SBEM Calculations (BER/TER), Acoustic Testing, Commercial Air Testing, BREEAM Credit Reports, Workplace Noise, Display Energy Certificates, Asbestos Surveys, Fire Risk Assessment, Environmental Noise, Thermal, Commercial EPCs, Part E / BB93, Room Integrity Testing, Sustainability Statements,

Air Testing can also be known as:
House Leakage Testing, Air Integrity Testing, Commercial Air Leakage Testing, Commercial Air Tightness Testing, Fan Pressure Testing, Air Tightness Testing, Commercial Fan Pressure Testing, Air Pressure Testing, Commercial Air Testing, Air Leakage Testing, Commercial House Leakage Testing, Commercial Air Integrity Testing, Commercial Air Pressure Testing,

E2 Specialist Consultants
July 22 at 5:05pm
One of our office-based consultants is hard at work on the SBEM calculation for a commercial new build in Bristol, Avon. You can get yourself an SBEM quote from our website:

E2 Consultants Delivering compliance solutions for Architects & Developers    Head Office E2 HOUSE, South Park Way, Wakefield 41 Business Park, WF2 0XJ    Questions? Call: 0800 043 8100