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Guides

Plain, checked answers for London homeowners and the tradespeople who work for them: what a job involves, what it costs, and when to call someone in.

For homeowners

What a job involves, what it costs in London, and when to call someone in.

20 guides

For homeownersPlumbing
Leak under the kitchen sink: find it and stop it
Dry everything, then test the supply, the tap, the waste and the appliance hoses one at a time. Valve or stop tap first, electrics safe, London prices.
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For homeownersGuide
Half the house has no power: tripped RCD or supply fault?
Some rooms dead, others fine? Usually one RCD or breaker has tripped. How to read the consumer unit, reset once, and tell a wiring fault from a power cut.
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For homeownersElectrical
Sockets not working in one room: what to check first
Sockets dead in one room? Usually a tripped breaker or RCD on the consumer unit. How to reset it once, safely, and when it needs an electrician.
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For homeownersElectrical
Burst or leaking pipe: the first 10 minutes, step by step
Stopcock clockwise, boiler off, taps open, electrics off if water is near them. The order that limits damage, who owns which pipe, London plumber prices.
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For homeownersPlumbing
No water or low pressure in the house: quick checks first
Cold kitchen tap first, then the stopcock, then the neighbours. How to tell a network fault from your own pipes, the pressure you are owed, London prices.
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For homeownersElectrical
Burning smell from a socket or fuse board: what to do
A fishy or burning smell at a socket or the fuse board is a connection overheating. Main switch off, unplug, do not reset, who to call, London prices.
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For homeownersGuide
Flickering lights: causes and when they are dangerous
One lamp flickering is a bulb or a dimmer; a whole room or house is a loose connection or a supply fault. How to tell them apart, and when to call.
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For homeownersHeating
Baxi error codes: E133, E119, E125, E110 and what to do
E133 is gas, ignition or frozen condensate, E118 low pressure, E125 circulation, E110 overheat. What each Baxi code means, the safe check, London prices.
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For homeownersHeating
Ideal boiler fault codes: F1, F2, L2, F3 and what to do
F1 is low pressure, F2 and L2 flame loss or ignition lockout, F3 a fan fault. What each Ideal code means, the one safe check, and London repair prices.
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For homeownersHeating
Vaillant fault codes: F22, F28, F29, F75 and what to do
F22 and F75 are pressure, F28 and F29 are no flame. What each Vaillant code means, the one safe thing you may do, when to stop, and London repair prices.
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For homeownersHeating
Worcester Bosch error codes: EA, E9, D5, C6 and what to do
EA is no flame, E9 an overheat trip, D5 a frozen condensate pipe, C6 a fan fault. What each Worcester Bosch code means, the one safe check, London prices.
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For homeownersElectrical
RCD or consumer unit keeps tripping: find the circuit safely
RCD tripping again? It is reacting to a faulty appliance, damp outdoor electrics or a wiring fault. Find the circuit by resetting with everything unplugged.
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For homeownersHeating
Boiler leaking water: what it means and when to switch it off
Water under the boiler? Telling a relief valve discharge from a worn seal, pump or heat exchanger by looking, when to switch it off, and London repair prices.
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For homeownersHeating
Frozen condensate pipe: the one boiler fault you can fix yourself
Boiler stopped in a freeze with a gurgling noise? The white pipe outside has iced up. How to thaw it with warm water, reset once, and when to call an engineer.
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For homeownersHeating
No hot water but heating works: likely causes, combi and system
Radiators hot, taps cold? On a combi it is usually the diverter valve; with a cylinder, the timer, cylinder thermostat or a motorised valve. Checks and prices.
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For homeownersHeating
Boiler losing pressure: causes and how to repressurise safely
Topping up once or twice a year is normal; every few days is a leak. Where the water goes, how to repressurise to 1 to 1.5 bar, when to stop, London prices.
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For homeownersHeating
Radiators cold but the boiler is on: causes and safe checks
Boiler running but the radiators stay cold? Trapped air, sludge, a stuck valve or a summer setting, ranked, with the checks you can do and London repair prices.
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For homeownersHeating
Boiler not firing up after summer: what to check first (London)
First cold morning and the boiler will not fire? Likely causes ranked, safe checks that open nothing, when to call a Gas Safe engineer, and London prices.
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For homeownersHeating
Ways to get boiler installation quotes in London, compared
Local installer, online fixed-price firm, marketplace or PROS AI: how each route to a boiler quote in London works, and what a written quote must include.
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For homeownersElectrical
Ways to find an emergency electrician in London, compared
Directories, marketplaces, Google, neighbours or PROS AI: how each way of finding an emergency electrician in London works, and what to check first.
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For tradespeople

How leads, pricing and the platforms compare for London trades.

5 guides

Guides for London homeowners and tradespeople