gas safety

I have inherited a very old Ideal Mexico super 2 system boiler (looks like 20 years or more) when I moved into my current 1960s built 3 bed semi detached bungalow property in London South west, couple of years ago. It’s working fine but I’m looking to replace it mainly due to some side extension...

Hello, Looking for a bit of advice before I go to my builder's plumber (still in warranty)... I live in a 2019 new-build property. Detached timber-frame two story house. I have gas central heating with the boiler (Vaillant EcoFIT sustain 830) in a cupboard on the first floor. We have...