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

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.

Geberit Flush Plate Not Working: Sigma, Omega & Stuck Buttons

Geberit flush plates (Sigma01, Sigma20, Sigma30, Omega10, Omega20) connect mechanically or electronically to the flush valve inside the wall. Most faults are fixable without opening the wall.

Heat Pump Running Costs Too High — How to Reduce Them

Electricity bills higher than expected since the heat pump was installed

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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Water temperature fluctuating in shower — combi boiler

Shower goes hot and cold when someone uses another tap or flushes toilet

May need pro›

Hosepipe Bans in the UK — Rules and What You Can Still Do

Hosepipe bans are temporary use restrictions imposed by water companies during drought. Breaking them can result in a fine.

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.

May need pro›

Expansion vessel failure — boiler pressure keeps rising

System pressure rising above 3 bar when heating is on — expansion vessel fault

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