Noticed there's a small copper pipe running out of the gas boiler, through the front wall of the house, and it's dripping warm water outside, there is a load of rust on the wall from the water running down. all the other houses have the same pipe but no marks from water running.
The water coming out is warm. this can't be good. Also the pressure meter on the boiler itself is high, I had to bleed one of the rads to get the pressure back down.
Boiler will be getting a service soon, just curious as to what's up.