Plumbing & Heating Problem Guides
Free fault diagnosis guides for UK homeowners — written by a Gas Safe registered engineer. Find out what's wrong before calling a tradesperson, or fix it yourself.
📖 420 guides✅ 176 free DIY guides🔒 Qualified engineer
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Most read guides
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How much does a plumber charge per hour in the UK? (2025)
Current UK plumber hourly rates, call-out charges, and how to get a fair price — regional breakdowns included.
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🔥Expansion vessel failure — boiler pressure keeps rising
System pressure rising above 3 bar when heating is on — expansion vessel fault
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🚰How much does it cost to fit an outside tap in the UK?
UK prices for outside tap installation — supply and fit, pipe runs, and whether you need a check valve.
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🔩How much does it cost to replace a tap in the UK?
UK costs for replacing kitchen and bathroom taps — including monobloc mixer, pillar taps, and what affects the price.
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🚰Boiler leaking from the pressure relief valve
Water dripping from the safety discharge pipe outside or from a brass valve on the boiler
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🪣Immersion heater not heating water
Hot water cylinder not heating — immersion heater has stopped working
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🔧Hive Thermostat Not Working
Hive thermostat showing offline, not controlling heating, or not responding
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🚿Stuart Turner Shower Pump Not Working — Troubleshooting Guide
Monsoon or Showermate pump with no pressure, noise or tripping issues
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Browse by problem type
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No Hot Water
18 guides
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Taps
41 guides
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No Heating
24 guides
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Low Water Pressure
17 guides
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Gas & Carbon Monoxide Safety
17 guides
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Noisy Pipes
15 guides
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Boiler Maintenance
18 guides
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Boiler Fault Codes
10 brands, 44 models
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Leaking Pipes
28 guides
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Blocked Drains
24 guides
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Toilets
34 guides
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Showers
47 guides
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Tanks & Cylinders
20 guides
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Outdoor Plumbing
17 guides
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Radiators
32 guides
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Heat Pumps
23 guides
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Oil Boilers
21 guides
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