A tightness test on commercial gas appliances is a safety measure to ensure that the appliance is not leaking gas. The test is performed by one of our qualified commercial gas safe registered engineer and involves attaching a special gauge to the appliance checking the pressure. If the appliance passes the tightness test, a gas safety certificate be issued.

It is important to have a tightness test performed on any gas appliance in your commercial property, as even a small gas leak can be dangerous. If you suspect that there may be a gas leak in your commercial property, you should contact Landlord Certificate London Gas Safe Engineer immediately to have the problem fixed. We Charge £90 Call Out Fee no hidden cost to send a gas safe engineer for diagnostic for the leak.