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Whether you're renovating your bathroom, looking for a more hygienic alternative to toilet paper or considering a smart bathroom upgrade, one of the first questions you'll have is how much it will cost to install a bidet. You might be here because:

• You're planning a new bathroom and wondering whether to include a bidet

• You're looking for a more hygienic or environmentally friendly option

• You've seen bidet sprays or smart bidets and want to compare the costs

• You want to understand the installation costs before deciding which type is right for your home

While bidets are still less common in the UK than in many parts of Europe, they're becoming an increasingly popular choice for homeowners looking to improve comfort, hygiene and accessibility. This guide explains typical bidet installation costs, what affects the price and when it's worth hiring a professional plumber.

How much does bidet installation cost?

The average supply and fit cost for a bidet is around £850. But this can vary depending on the type you choose and how much plumbing work is needed.

• For the bidet itself, expect to pay around £500

• Professional installation costs tend to sit around £350

If you're fitting a standalone bidet alongside other bathroom renovation work, installation is often simpler than adding one to an existing finished bathroom.

However, if new pipework, drainage or alterations to your bathroom layout are required, the overall cost is likely to increase.

Compare quotes for bidet installation near you

For a clear idea of the cost, contact a selection of plumbers offering bidet installation in your area.

An itemised quote will explain what's included and help to ensure you receive a fair price for the work.

Bidet installation costs by type

Different types of bidet suit different bathrooms, budgets and levels of installation work. These are the main options...

Standalone bidet

A standalone bidet is a separate sanitary fixture installed next to your toilet.

It's the traditional option and generally offers the most comfortable experience, but it also requires the most space and dedicated plumbing.

Expect to pay around £500 for the bidet itself, plus professional installation.

Bidet spray (douche kit)

Also known as a bidet spray, shattaf or Muslim shower, this is a handheld spray fitted close to the toilet.

It's one of the most affordable ways to enjoy the benefits of a bidet and is particularly popular where there's limited bathroom space.

A bidet spray costs around £200 on average.

Toilet seat bidet attachment

Rather than installing a separate fixture, these replace or fit onto your existing toilet seat.

They offer many of the same hygiene benefits while taking up virtually no extra room.

For an electric bidet seat, expect to pay around £1,300 on average.

Smart wall-hung bidet

A smart bidet combines modern styling with advanced features such as heated seats, adjustable spray settings and warm air drying.

These premium models typically cost around £4,500.

What affects the cost of bidet installation?

Two bathrooms can require very different amounts of work, even if the bidet itself costs the same. The biggest differences usually come down to what's already in place and whether any plumbing needs to be altered.

• Type of bidet: A simple spray attachment is much quicker and cheaper to install than a standalone or wall-hung bidet

• Existing plumbing: If suitable water supplies and waste connections are already nearby, installation will generally be quicker and less expensive

• Pipework: Installing new hot and cold water supplies or additional waste pipework will increase labour costs

• Bathroom layout: Bathrooms with limited space may require extra work to accommodate a standalone bidet. Wall-hung models may also need additional structural work

• Labour: Bidets aren't fitted every day in the UK, so it's worth choosing a plumber or bathroom fitter with relevant experience

• Location: Labour costs vary across the UK, with homeowners in London and the South East typically paying more than those elsewhere

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Additional costs to budget for

Depending on your bathroom, you may also need to budget for:

• New plumbing or pipework

• Boxing in exposed pipework

• Wall or floor repairs after installation

• Replacement tiles

• Decorating

• Making good around the installation area

DIY vs professional bidet installation

Simple bidet attachments can sometimes be fitted by confident DIYers.

However, if you're installing a standalone bidet or making any changes to your home's plumbing, hiring an experienced plumber is usually the safest option.

Professional installation helps ensure your bidet complies with current plumbing regulations, is correctly connected and doesn't develop leaks later on.

How to install a bidet

Installing a bidet will vary depending on the model, but the basic steps are:

• Turn off the mains water supply

• Position the bidet and check the pipework aligns correctly

• Connect the water supply and waste pipe

• Secure the bidet following the manufacturer's instructions

• Turn the water back on and carefully check for leaks

These steps are suitable only as a general overview. If your installation involves new plumbing or alterations to your existing pipework, it's best carried out by a qualified plumber.

How long does bidet installation take?

A straightforward bidet installation can often be completed within a few hours.

However, if new pipework, drainage or structural alterations are needed, the work may take longer.

Your installer will be able to give you a more accurate timescale once they've assessed your bathroom and the type of bidet you've chosen.

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Do I need to notify my water supplier?

In some cases, you do need to notify your water supplier if you're installing a bidet.

If you're installing a bidet with an ascending spray or flexible hose, UK Water Supply (Water Fittings) Regulations require your local water supplier to be notified before the work takes place.

An experienced plumber will be familiar with these requirements and can advise whether they apply to your installation.

Bidet installation cost calculator

A simple way to estimate your budget is to start with the type of bidet you'd like to install.

Then consider whether your project may also require new plumbing or pipework, bathroom alterations, wall or floor repairs, tiling or decorating.

Job Estimate Calculator

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This calculator provides a guide price only, not a quote. For an accurate cost, ask several checked plumbers to provide an itemised written quote.

Bidet installation checklist

• Decide which type of bidet best suits your bathroom and budget

• Check you have enough space for your chosen model

• Consider whether new plumbing or pipework may be needed

• Ask whether your installation requires notification to your water supplier

• Compare quotes from a selection of experienced plumbers

• Check exactly what's included in each quotation

• Confirm how long the installation is likely to take

Are bidets worth it?

For many homeowners, yes, bidets are a worthwhile investment.

A bidet can improve personal hygiene, reduce toilet paper use and provide a more comfortable cleaning experience. They're also popular with people who have sensitive skin or reduced mobility.

If you don't have space for a standalone bidet, a bidet spray or toilet seat attachment can offer many of the same benefits at a lower cost.

Ultimately, the right choice depends on your bathroom layout, budget and how you plan to use it.

When should you speak to a plumber?

It's worth speaking to a plumber as soon as you're considering adding a bidet to your bathroom.

They can advise whether your existing plumbing is suitable, explain the installation options available and highlight any additional work that may be needed before providing a quote.

They can also help you choose the right type of bidet and avoid unexpected costs later in the project.

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Find a checked plumber near you

Whether you're fitting a standalone bidet as part of a bathroom renovation or installing a simple bidet spray, comparing quotes from checked plumbers is the best way to understand what's possible for your bathroom and budget.

FAQs

How much does it cost to install a bidet?

Professional bidet installation costs around £350 on average, although the total cost will depend on the type of bidet you choose and whether any additional plumbing work is required.

Can I install a bidet myself?

Simple bidet attachments may be suitable for experienced DIYers. However, standalone bidets and installations involving new plumbing are usually best left to a qualified plumber to ensure they're installed safely and correctly.

Is it legal to install a bidet in the UK?

Yes. Bidets are perfectly legal in the UK, provided they're installed in accordance with the relevant plumbing and water regulations.

Do I need to notify my water supplier?

If your bidet has an ascending spray or flexible hose, you may need to notify your local water supplier before installation. Your plumber will be able to advise if this applies to your chosen model.

How much space do I need for a bidet?

A standalone bidet generally requires a similar amount of space to a toilet. If your bathroom is smaller, a bidet spray or toilet seat attachment can provide many of the same benefits without taking up additional floor space.

What's involved in installing a bidet?

Installation usually involves connecting the bidet to the water supply and waste pipe, securing it in position and testing the installation for leaks. The exact process depends on the type of bidet you're having fitted.

Is a bidet worth it?

Many homeowners feel a bidet is worthwhile because it improves hygiene, reduces toilet paper use and can make everyday bathroom routines more comfortable. The best option for you will depend on your bathroom, budget and personal preferences.

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