Cost guides › Walk-in bath
Australia
Walk-in bath cost
Replacing a standard bath with a walk-in bath with hydrotherapy spa jets typically costs $5,500 installed including GST, with most quotes between $4,300 and $7,200. A basic soaker model with a door and seat runs about $3,350, while an air-and-water spa bath with a heated seat and fast-drain pump comes to about $8,600. Figures are for 1 bath(s).
Most homeowners pay
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Cost by region
| Location | Basic | Mid-range | Premium |
|---|---|---|---|
| Australian Capital Territory | $3,450 | $5,600 | $8,750 |
| New South Wales | $3,350 | $5,550 | $8,650 |
| Northern Territory | $3,400 | $5,550 | $8,650 |
| Western Australia | $3,400 | $5,550 | $8,650 |
| Queensland | $3,350 | $5,500 | $8,600 |
| Victoria | $3,350 | $5,500 | $8,600 |
| South Australia | $3,300 | $5,450 | $8,550 |
| Tasmania | $3,250 | $5,400 | $8,500 |
What's included
Mid-range
- Removal and disposal of the existing bath
- Walk-in bath with watertight door and built-in seat, hydrotherapy spa jets
- Tapware, waste and fittings
- Bath set in place, connected to the existing water supply and waste, and leak tested by a licensed plumber
- Dedicated RCD-protected circuit for the pump and heater, run by a licensed electrician
- Carrying in, floor protection and clean-up
What affects the cost
Soaker, spa or air and spa
A soaker bath is just the shell, door and seat, with no motors, so nothing needs power and there is less to maintain. A hydrotherapy (spa) model adds water jets and a pump, which needs its own protected circuit. Air-and-spa models add an air blower, and premium units often include a heated seat and backrest and an inline heater to keep the water warm.
Fill and drain time
You get in before the bath fills and wait until it drains before the door opens, so time matters, especially in a cold bathroom in winter. A fast-drain pump, included in the premium tier, shortens the wait, and high-flow tapware shortens the fill.
Hot water supply
A walk-in bath is deeper than a regular bath and can hold much more water. The estimate assumes your existing hot water system can fill it; if it cannot, a larger or faster hot water system is an extra cost to budget for.
Door type and entry height
Inward-opening doors seal as water pressure pushes them closed but take up room inside the bath; outward-opening doors make wheelchair transfers easier but need clear floor space. Check the step-in height and seat height against the person who will use it.
Size and fit
Most walk-in baths are made to fit a standard bath recess. Wider or longer models, or a space that needs framing, wall repairs or new waterproofing, add labour; tiling beyond the bath surround is not included here.
Electrical work
Spa and heated models need a dedicated circuit protected by an RCD, and the heater can need a heavier one. A long run from the switchboard or a full switchboard adds time. The work must be done by a licensed electrician.
How to save
- Choose a soaker model if the goal is safe access rather than therapy; it needs no electrical work.
- Get quotes that list the bath, installation, electrical work and removal separately so you can compare the same scope.
- Check your hot water system's capacity before ordering, so you are not surprised by an upgrade after the bath is in.
- Ask whether a low-step or step-free walk-in shower would meet the need; for people who do not need to soak it usually costs less.
Grants, tax and rules
NDIS and My Aged Care
The NDIS funds home modifications for eligible participants, with smaller jobs treated as minor modifications and larger ones as complex modifications with an assessor involved. Funding depends on the modification being assessed as needed. Older people usually go through My Aged Care, where help with home modifications may be available after an assessment.
Licensed plumber and electrician
Plumbing must be done by a licensed plumber and electrical work by a licensed electrician, under state licensing. Ask for the compliance certificates at the end of the job.
Hot water systems
Many Australian homes have a storage hot water system sized for showers. Before you buy, compare the bath's capacity with your system; a small tank or a slow instantaneous unit may struggle to fill a deep bath with hot water, and an upgrade is not included in our figures.
GST
Quotes to households include 10% GST, and so do our figures.
Frequently asked questions
How much does a walk-in bath cost installed in Australia?
A walk-in bath with hydrotherapy spa jets typically costs around $5,500 installed including GST, including removal of the old bath and a dedicated circuit. A basic soaker model is closer to $3,350, and an air-and-spa bath with a heated seat about $8,600.
Does the NDIS pay for a walk-in bath?
It can, for eligible participants where it is assessed as needed. Older people usually go through My Aged Care, where support for home modifications may be available after an assessment.
How long does a walk-in bath take to drain?
It depends on the waste size and the model; standard gravity drains are the slowest. A fast-drain pump, as in the premium tier, shortens the time you sit waiting before you can open the door.
Do I need a bigger hot water system for a walk-in bath?
Sometimes, because walk-in baths are deep. Compare the bath's capacity with your hot water system before buying; an upgrade is not included in these figures.
Walk-in bath or walk-in shower?
A walk-in bath suits people who want to soak or use spa jets and can sit through the fill and drain. A low-step or step-free shower is easier for wheelchair users and quicker to use, and usually costs less.
How long does installation take?
Replacing a standard bath in the same recess is often done in one or two days, including the electrical work. Wall repairs, waterproofing, framing changes or a hot water upgrade add time.
How this estimate is calculated
Work hours: 19.2 · Labour: $924 · Materials: $4,094
Sources: ABS Employee Earnings and Hours, Australia; Regione Toscana, Prezzario dei Lavori 2026 (CC BY 4.0); ECB exchange rates; market check: HomeModsAU (Jun 2026) standard A$3,000-8,000 installed.
Last reviewed 26 September 2026 · How we calculate costs · Editorial policy