Tell us about your premises and the gas work you need. Call 07745 320002 or email info@SmartEnvironmentServices.com so we can review the installation and advise on the next step.
Our Services
Commercial Gas Services
Commercial gas work calls for careful planning, the right technical competence and a clear understanding of the installation. Smart Environment Services supports businesses and property managers across Kingston upon Thames, Surbiton and nearby areas with commercial gas pipework and associated works, with the scope assessed before work begins.
Specialist Commercial Gas Pipework
Commercial gas pipework is a specialist service in its own right. We can discuss new installations, alterations to existing pipework and the testing and purging required to bring an installation into use safely.
This includes installation pipework with a volume greater than 1 m³, where the relevant specialist competence is required. The work undertaken depends on the installation’s size, operating pressure and design, and must be carried out by engineers whose current Gas Safe registration and competencies cover that specific scope.
Strength Testing, Tightness Testing and Purging
We provide for strength testing, tightness testing and purging as part of appropriately scoped commercial gas pipework work. These procedures help establish that pipework is suitable for use before gas is introduced or an altered installation is returned to service.
The correct procedure is determined by the installation itself. Smaller installations and pipework over 1 m³ can fall under different technical requirements, so we assess the system and confirm the applicable method and engineer competence before proceeding.
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How It Works

1. Assess the Installation
We review the premises, existing gas installation and proposed work, including pipework volume, operating pressure and any information needed to establish the correct scope.
2. Plan and Complete the Work
Once the requirements are agreed, commercial gas pipework work is carried out by engineers with the relevant Gas Safe registration and competencies for the tasks involved.
3. Test, Purge and Check
Where required, the installation is strength tested, tightness tested and purged using the procedure appropriate to its design and scope. The completed work is checked before the system is put into use.
Why Choose Us for Commercial Gas Services?
Commercial pipework installation, testing and purging are given dedicated attention, including projects involving installation pipework over 1 m³.
Gas Safe registration must cover the type of gas work being undertaken. We establish the installation requirements and relevant engineer competencies before work starts.
From the initial assessment through to completion, the focus is on understanding the existing system and carrying out the agreed work carefully.
Frequently Asked Questions
Find answers to common questions about our services and process.
We can discuss installation pipework with a volume greater than 1 m³. The scope must first be assessed so the appropriate specialist competency, testing procedure and safety requirements can be confirmed.
A strength test checks that pipework can withstand the required test conditions. A tightness test checks for leakage. Whether each test is required, and how it is carried out, depends on the installation.
Purging may be required when bringing new or altered pipework into service, or when returning an installation to use after certain work. The procedure must be selected for the particular system and completed by a suitably competent engineer.
An engineer’s Gas Safe registration must include the categories relevant to the specific work. Commercial heating, catering and specialist pipework tasks can require different competencies.
Smart Environment Services is based in Surbiton and serves commercial customers across Kingston upon Thames, Tolworth, Chessington, New Malden and surrounding areas.
