Thin heating pipes leaking under a student let
The property
A 1960s semi up the hill, let to students, with a solid ground floor. Its radiators run on thin copper pipes, called microbore, laid in the concrete.
The problem
The tenants kept topping up the boiler and two downstairs radiators stayed cold. The landlord's heating engineer passed the boiler and suspected the floor.
How we found it
We separated the downstairs circuit, and its gauge fell while upstairs held. After the heating had run, a thermal camera traced the thin pipes to heat by the back door. Tracer gas confirmed it.
The outcome
Marked and photographed, the point was opened and the pipe repaired on a separate quote; the landlord sent the report to the buildings insurer.