Appliance and fixture plumbing across London
People tend to look for these jobs by the item itself rather than by trade: a boiling tap, a power flush, a softener, a pump that has stopped working. Ninja Plumbers gives each one a page of its own, setting out what the work involves and what to check before you book.
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- DBS-checked engineers
- Emergency callout available 24/7
- Price agreed before work starts
- Workmanship guaranteed
Monday – Sunday, 7:00 AM – 10:00 PM · Out-of-hours emergency? Call 020 3576 5825
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Name, phone and postcode are all we need to start. Everything else can wait.
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Heating & hot water
Everything in your heating and hot water apart from the boiler: radiators, underfloor loops and cylinders.
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Underfloor Heating
Water-fed underfloor heating for extensions and refits, and repairs when a loop stops giving out heat.
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Radiators & Power Flushing
New and relocated radiators, and sludged systems flushed out properly instead of dosed with more chemicals.
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Hot Water Cylinders
The airing cupboard tank nobody thinks about until it stops, sized, replaced and serviced.
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Immersion Heater Replacement
The electric element inside your hot water cylinder, replaced when it fails and tested before any talk of a new cylinder.
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Kitchen & laundry
Machines connected with care, so any leak is found at the shop and never beneath your floorboards.
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Boiling Water Taps
Boiling taps for instant hot water, plumbed in and filtered, with the details the brochure leaves out dealt with too.
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Washing Machine Plumbing
Washing machines connected the right way, moved to another room, or stopped leaking where they already sit.
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Dishwasher Plumbing
Proper connections for your dishwasher, including integrated models, which have to go in before the door is hung.
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Kitchen Sink Installation
Sinks fitted new or swapped, with the trap and waste below done properly instead of patched up.
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Bathrooms & pumps
Pumps, pressure and pumped waste for the spots gravity cannot manage alone.
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Sump Pumps
Dry basements and cellars: pumps, backups and alarms, with the water sent somewhere it is allowed to go.
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Shower Pumps
Feeble gravity-fed showers given a proper pump, and a frank answer on whether a pump will fix yours.
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Electric Shower Installation
Not a shower pump but a standalone unit that heats mains water as you use it, installed right the first time.
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Saniflo & Macerator Pumps
Toilets in places gravity waste cannot reach, fitted, serviced and unblocked, and a frank view on whether one is right for you.
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Water supply & treatment
The supply coming into your home, and the toll London’s hard water takes on everything it feeds.
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Water Softener Installation
Hard London water wears your home down slowly. We size, fit and service softeners to stop it.
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Water Meter Installation
Plumbing work for a switch to a meter, including the shared supplies that hold it up.
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Water Filtration & Limescale
Drinking water taps, filters and scale reducers, with a plain answer on which one deals with your problem.
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Outside Tap Installation
Garden taps done right: a check valve, an isolation valve indoors, and nothing to split in the frost.
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Questions people ask
Does a washing machine or dishwasher need a plumber to connect it?
Where a cold feed with an isolating valve and a waste connection are already in the right spot, hooking up a new machine is normally straightforward. A plumber is needed when any of those are missing, badly placed or leaking, or when the machine is going somewhere new that needs its own supply and waste run.
How can I tell whether my heating needs power flushing?
Look for radiators that are warm at the top but cold along the bottom, a boiler that is noisy or keeps cutting out, and black or brown water when a radiator is bled. Each of these suggests sludge in the system. Flushing removes it; bleeding the radiators does not.
Is it worth having a water softener in London?
Because London’s water is hard, a softener reduces limescale on taps, showers and glass, as well as inside boilers, cylinders and appliances. Whether that makes it worthwhile depends on your home and how much the scale bothers you. The pros and cons are laid out in our blog post on water softeners in London.
How does a Saniflo differ from a sump pump?
A Saniflo, also called a macerator, pumps waste away from a toilet, basin or shower where there is not enough fall for ordinary gravity drainage, as in a basement or loft bathroom. A sump pump deals with groundwater or surface water gathering in a pit, usually in a basement or cellar, and pumps it out.
What has to go under the sink for a boiling water tap?
Most models need cupboard space below for a small tank, a cold water supply and an electrical socket to power the tank. Some include a filter that needs replacing now and then. We check the space and the supply before fitting the tap.
Further reading on the blog: water softeners in London, Saniflo pumps and outside taps in winter.
Our core services
After a repair instead of a new fitting? You will most likely find it on one of these pages.
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General Plumbing
Radiators, pipework, taps and toilets: the small jobs that keep getting put off.
More on General Plumbing -
Boiler Service
A yearly check to keep your boiler safe, running efficiently and covered by its warranty.
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Bathroom Installation
Anything from swapping one fitting to stripping out and refitting the whole room, priced before work starts.
More on Bathroom Installation
Unsure which of these fits?
Describe the real problem — scale, low pressure, a leak, an appliance that refuses to empty — and Ninja Plumbers will tell you which of these deals with it. If none of them is the answer, we will say so instead of selling you the wrong job.