
Commercial Gas Tightness Testing Across Scotland
Commercial gas tightness testing is an essential part of maintaining safe and compliant gas installations. Whether following the installation of new pipework, modifications to an existing system or as part of fault finding, testing verifies the integrity of the gas installation before appliances are commissioned or returned to service.
At Sensible Building Services, we provide professional commercial gas tightness testing for businesses throughout Scotland. Our experienced commercial gas engineers carry out testing and purging in accordance with recognised industry procedures, helping clients maintain safe, compliant and reliable gas installations.
From small commercial premises to large industrial plant rooms, we provide accurate testing together with clear documentation and practical technical advice.
Why Gas Tightness Testing Is Important
A commercial gas installation should always be confirmed as gas tight before being placed into service.
Gas tightness testing helps to:
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Confirm the integrity of commercial gas pipework
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Identify gas leaks before appliances are commissioned
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Verify new installations
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Confirm alterations have been completed safely
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Support legal compliance
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Protect building occupants
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Reduce the risk of gas escapes
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Provide confidence before recommissioning appliances
Testing forms an important part of maintaining a safe commercial gas installation.


When Is Commercial Gas Tightness Testing Required?
Gas tightness testing is commonly carried out:
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Following new gas pipework installations
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After alterations to existing gas pipework
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Before commissioning new gas appliances
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Following repairs to commercial gas systems
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During fault diagnosis
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At the request of Insurance companies
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Before returning isolated systems to service
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As part of plant room refurbishment projects
Where required, gas testing may also be followed by purging procedures before appliances are commissioned.
Commercial Gas Compliance & Documentation
Following testing, we provide the appropriate documentation for the work completed where applicable.
This may include:
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CP16 – Non-Domestic Gas Testing and Purging Certificate
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CP17 – Gas Installation Safety Report (Non-Domestic) where commissioning forms part of the works
The documentation issued will depend on the scope of work and the type of installation.
Our Commercial Gas Testing Services
We provide a complete range of commercial gas testing services, including:
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Commercial gas tightness testing
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Gas soundness testing
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Gas testing before commissioning
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Gas testing following modifications
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Gas testing following repairs
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Non-domestic gas purging
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Commercial gas leak investigation
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Commercial gas pipework inspections
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Commissioning support
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Gas installation verification
Every test is carried out using calibrated equipment and recognised commercial gas industry procedures.


Whether you require commercial gas tightness testing following a new installation, alterations to existing pipework or investigation of a suspected gas leak, Sensible Building Services can help.
Contact our team today to arrange a free, no-obligation quotation. Our experienced commercial gas engineers provide professional testing, clear documentation and dependable support for commercial and industrial gas installations across Scotland.
