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How Much Does It Cost to Install a Boiling Water Tap ?
Written by: Taps UK
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Published on
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Time to read 7 min
Boiling water taps have become one of the most sought-after kitchen upgrades in recent years. Offering near-instant hot water for drinks, cooking and cleaning, they remove the need for a traditional kettle while helping to create a cleaner worktop space.
Before making the switch, many homeowners ask the same question: what is the actual boiling water tap installation cost in the UK? The answer depends on the tap you choose, the complexity of the installation and any additional electrical or plumbing work required.
This guide breaks down every aspect of the boiling water tap installation cost, helping you understand what to budget for and whether a boiling water tap is worth the investment.
A boiling water tap is a specialist kitchen tap connected to an insulated water tank installed inside your kitchen cabinet. The tank heats and stores water, allowing you to dispense near-boiling water instantly whenever needed.
Most modern systems include multiple functions, allowing you to access:
Standard hot water
Cold water
Filtered water
Near-boiling water
Many homeowners choose a 3-in-1 or 4-in-1 model as it combines several functions into a single tap, reducing clutter around the sink area.
3-in-1 taps usually offer standard hot, cold and filtered or boiling water where as 4-in-1 taps offer all 4 functions form one tap with some specialist taps even offering sparking and chilled water.
Entry-Level Models (£200–£500)
Entry-level boiling water taps provide instant boiling water without many additional features.
These models typically include:
Smaller tanks
Limited filtration options
Standard warranties
They are often suitable for smaller households or homeowners looking to try a boiling water tap without a major investment.
Mid-Range Models (£500–£1,000)
Mid-range products offer a balance between functionality and value.
Common features include:
Multiple finish options
Filtered water systems
Improved energy efficiency
Larger tank capacities
This is often the most popular price bracket for UK homeowners.
Premium Models (£1,000+)
Premium brands offer advanced technology and luxury finishes.
Benefits may include:
Larger water tanks
Touch-screen controls
Enhanced safety features
Smart energy-saving modes
Designer finishes such as brushed brass, gunmetal and copper
While these models increase the boiling water tap installation cost, they often provide additional convenience and a longer warranty period.
How Much Does Installation Cost?
Once you've selected a tap, you'll need to factor in installation costs.
Typical Installation Costs
For a straightforward installation where suitable plumbing and electrical connections already exist, homeowners can expect to pay between £100 and £300 for professional installation.
Installation generally takes between two and four hours.
Labour costs vary depending on:
Your location
Complexity of the installation
Accessibility beneath the sink
Existing plumbing setup
London and the South East often command higher labour rates than other areas of the UK.
Additional Costs to Consider
The total boiling water tap installation cost can increase if additional work is required.
Electrical Socket Installation
Most boiling water taps require a nearby electrical socket to power the tank.
If one is not already available, an electrician may need to install a new socket.
Typical cost: £80–£250
Cabinet Modifications
Some kitchens may require minor alterations to accommodate the tank and filtration system.
Typical cost: £50–£200
Plumbing Upgrades
Additional pipework or isolation valves may occasionally be required.
Typical cost: £50–£300
Typical Total Installed Cost
Cost Element
Typical Cost
Boiling Water Tap
£200–£3,000+
Installation Labour
£100–£300
Electrical Work
£80–£250
Additional Plumbing Work
£50–£300
Total Installed Cost
£300-£3000+
For most homeowners, the average boiling water tap installation cost falls between £900 and £2,000.
Can You Install a Boiling Water Tap Yourself?
Some manufacturers provide installation instructions suitable for competent DIY enthusiasts. However, most homeowners choose professional installation.
Professional fitting offers several advantages:
Correct plumbing connections
Proper tank setup
Compliance with manufacturer requirements
Reduced risk of leaks
Protection of warranty coverage
If electrical work is required, a qualified electrician should always be used.
While DIY installation may reduce the initial boiling water tap installation cost, mistakes can become expensive if damage occurs as installation issues are generally not covered by the manufacturing warranty.
What Are the Running Costs?
When assessing the overall boiling water tap installation cost, it is important to consider ongoing ownership costs.
Electricity Usage
Modern boiling water taps are designed to be energy efficient.
The insulated tank maintains water temperature while minimising heat loss.
Annual running costs vary depending on usage but are generally comparable to, or slightly lower than, regular kettle use in busy households.
Filter Replacements
Many systems include water filtration cartridges.
Replacement schedules vary but are often recommended every 3, 6 or 12 months depending on the hard water level.
Typical annual cost:
£40–£120
Maintenance
Some areas of the UK have hard water, which may require periodic descaling.
Following manufacturer maintenance recommendations can help maximise the lifespan of the system.
You can find out how hard your water is by following the link below.
To be sure how often you should be replacing your filter we recommend checking how hard your water is, an easy way to do this is to check your postcode on the below button.
For many households, the convenience alone justifies the boiling water tap installation cost.
Advantages
Instant boiling water
Less worktop clutter
Modern kitchen appearance
Faster meal preparation
Easy hot drinks on demand
Reduced waiting time compared to a kettle
Potential Drawbacks
Higher upfront investment
Ongoing filter replacement costs
Limited boiling water volume before reheating
Long-Term Value
Boiling water taps are particularly beneficial in busy households where hot water is used frequently throughout the day.
Many homeowners also appreciate the sleek appearance and space-saving benefits they provide.
While the initial boiling water tap installation cost may seem significant, the convenience can make it a worthwhile kitchen upgrade.
Key Factors to Consider Before Buying
Before purchasing a boiling water tap, consider the following:
Available Space Under the Sink
Check that there is enough room for the tank and any filtration equipment.
Water Pressure
Some systems require a minimum water pressure to operate correctly.
Tank Capacity
Larger households may benefit from larger tanks that provide more boiling water before reheating is required.
Filtration Requirements
Filtered water systems improve water quality but increase maintenance costs.
Finish and Style
Choose a finish that complements your kitchen design.
Popular options include:
Chrome
Brushed nickel
Stainless steel
Brushed brass
Gunmetal
Quick Checklist
Before ordering, make sure you have:
✓ Sufficient cabinet space
✓ Suitable water pressure
✓ Access to an electrical socket
✓ Budget for installation
✓ Chosen the correct tank size
Conclusion
The overall boiling water tap installation cost depends on the product selected and the complexity of the installation. While entry-level systems may cost around £600 installed, premium installations can exceed £3,500.
For most UK households, a realistic budget falls between £900 and £2,000. Although the initial investment is higher than a standard kitchen tap, many homeowners find the convenience, functionality and modern appearance well worth the expense.
How much does it cost to install a boiling water tap in the UK?
Most installations cost between £900 and £2,000 including the tap, labour and any minor additional work.
Does a boiling water tap need an electrical socket?
Yes. Most systems require a standard electrical socket beneath the sink to power the water tank.
Can a boiling water tap replace a kettle?
For many households, yes. A boiling water tap can provide instant hot water for drinks, cooking and food preparation.
How much does a boiling water tap cost to run?
Running costs vary but typically include electricity consumption and filter replacements, often costing between £40 and £120 per year for maintenance.
Do boiling water taps require maintenance?
Yes. Filters should be replaced as recommended and some systems may require occasional descaling.
How long does installation take?
Most installations take between two and four hours, depending on the complexity of the setup.
Are boiling water taps safe for children?
Most modern models include child-safe handles, insulated spouts and safety locks to reduce the risk of accidental use.
How long do boiling water taps last?
A quality boiling water tap can often last 10 years or longer when properly maintained.
Can a boiling water tap be installed in any kitchen?
Most kitchens can accommodate a boiling water tap, provided there is sufficient cabinet space, water pressure and access to electricity.
Are boiling water taps worth the money?
For households that frequently use hot water throughout the day, many homeowners find the convenience and time savings justify the investment.
Taps UK is a prominent online retailer in the United Kingdom, specializing in a wide variety of kitchen and bathroom products. The company boasts a large selection of taps, sinks, and accessories from both well-known industry brands and its own exclusive lines, catering to a broad customer base that includes the general public as well as trade professionals like developers and builders.
Here are some of the pictures our customers have shared of their items installed.
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