Heating
Cold at the bottom, hot at the top. What your radiators are telling you
Usually sludge, occasionally something else. How to tell the difference before you ring anyone.
Read itRegistered and insured. The numbers you can go and check
Fully insured with AXA Insurance UK PLC. Public liability £2,000,000. Limit of indemnity A £10,000,000, limit of indemnity B £5,000,000. TrustMark customer charter (PDF)