Dreaming of turning your bathroom into a steamy spa? Short answer: A steam shower costs between £1,500 and £7,000+. From Steam Room vibes to indulgent Steam Baths, costs vary by unit, features, and install. Keep reading to avoid steamy overspending and find the perfect fit for your budget!

Understanding the Average Steam Shower Cost
Average Cost Range
In the UK, the average cost of a steam shower falls between £1,500 to £7,000, depending on the setup. Basic prefab models may cost less, while high-end custom steam showers can go well beyond £10,000.
Factors Influencing the Overall Cost
Costs vary due to several factors:
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Size of the shower space
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Materials used (glass, tile, etc.)
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Features added (lighting, aromatherapy, etc.)
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Your location and local labour rates
Steam Shower Cost by Type
Prefab Steam Shower Inserts/Units
Prefabricated units are the most budget-friendly. These all-in-one packages come pre-designed and are easier to install.
Basic vs. Luxury Prefab
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Basic prefab models: Start around £1,500–£2,500
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Luxury prefab units: Range from £3,000–£6,000+, often including aromatherapy or built-in seating
Prefab with Tub Combo
Add a tub into the mix and expect £2,500–£5,000+ depending on quality and brand.
Prefab with Sauna Combo
Steam shower/sauna combos can cost £4,000–£8,000+, depending on wood type, heater, and size.
Prefab with Jetted Shower/Tub
Units with hydrotherapy jets typically run between £3,000–£6,000+.
Converting an Existing Shower to a Steam Shower
Conversions require waterproofing, new plumbing, tiling, and steam generator installation—£4,000–£10,000+.
Custom Steam Shower Installation
For full custom builds, expect to spend upwards of £6,000, depending on materials and labour.
Cost Breakdown by Components
Steam Generator Unit Prices
Generators are essential and vary by brand:
Brand | Price Range (GBP) |
---|---|
Mr. Steam | £800–£2,500 |
Thermasol | £1,000–£3,000 |
Kohler | £900–£2,800 |
SteamSpa | £700–£1,800 |
Amerec | £900–£2,200 |
Steamist | £850–£2,400 |
Generator Size (kW) and Room Cubic Footage
Smaller bathrooms may need a 6kW generator, while larger spaces with high ceilings or stone surfaces may require 9–12kW+. Prices rise accordingly.
Shower Enclosure and Materials
A frameless glass enclosure costs around £800–£2,000. Custom dimensions cost more.
Glass Walls and Doors
Toughened glass panels range from £300–£1,000+, depending on thickness and style.
Tiling (ceramic, porcelain, stone, etc.)
Costs vary by tile type:
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Ceramic: £20–£40/m²
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Porcelain: £30–£60/m²
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Natural stone: £50–£100/m²+
Complex patterns raise labour costs.
Seating
Built-in tile benches can cost £150–£500, depending on design.
Labour Costs
Expect to pay:
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Plumber: £200–£500
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Electrician: £300–£600
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Tile installer: £30–£60/m²
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Shower door installer: £150–£300
DIY Steam Shower Kit Cost
DIY kits with enclosure, generator, and controls: £1,200–£3,000+
Installation still may require professional support.
Additional Features and Upgrades
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Aromatherapy Systems: +£100–£300
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Chromatherapy (Mood Lighting): +£150–£400
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Audio Systems: +£200–£600
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Advanced Control Panels: +£150–£500
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Auto-flush Systems: +£100–£300
These extras enhance the experience but increase the price tag quickly.
Steam Shower vs. Other Home Spa Options

Steam Shower vs. Regular Shower Cost
Standard showers cost between £500–£2,000, making them more affordable. But they lack the spa-like benefits of a steam shower.
Steam Shower vs. Sauna Cost
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Steam showers: Use moist heat; great for skin, congestion, and relaxation.
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Saunas: Use dry heat; better for deep sweating and muscle relief.
Standalone home saunas usually cost £2,000–£6,000.
Is a Steam Shower Worth the Investment?
Benefits of Steam Showers
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Promotes relaxation and stress relief
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Helps with muscle pain and stiffness
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Aids cold recovery by opening airways
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Supports healthy skin through deep cleansing
Considerations Before Installation
Make sure your bathroom is suitable. Consider waterproofing, electrical upgrades, and floor strength. Always get multiple steam shower quotes before committing.
Takeaways
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Steam shower pricing varies hugely based on type, features, and labour.
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A basic steam shower unit starts at £1,500, while a custom build can reach £10,000+.
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Think long-term: installation may cost more, but you gain daily spa-style relaxation.