If you feel your boiler system could have been neglected regular maintenance, then you've come to the proper service company. Gas-tightness, The London boiler engineer, will conduct a gas-tightness test to establish whether there are any leaks in the computer system. Whenever you suspect your boiler needs a bit of repair, call us for the expert service you require.The outcomes are recorded. From design to installation, you will find a variety of services. For landlord gas safety certificate Lond...