A built-in, plumbed sauna or spa thermal suite costs from around £10,000 for a single infrared cabin to £250,000+ for a full spa thermal suite fit-out, and once wired, plumbed and built into a room this is generally financed as an installation.
Yes, sauna installations are financed as a standard asset purchase, usually on hire purchase or a lease, with the machine itself acting as the security. UK prices typically run £15,000 to £250,000, and most deals are written over 24-72 months with a deposit of around 10-20%. Decisions typically take 3–5 working days. Used machines are financeable too, usually with a shorter term.
Typical Cost
£15k – £250k
Approval Speed
3–5 working days
24-48 hours for a single demountable cabin
Rates From
6.0% APR
Your estimate
Indicative only. Not a quote and not an offer of finance.
Pre-filled with a typical sauna installation price. Indicative only, not a quote.
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Check EligibilityOn a purchase price of £60,000: a 10% deposit of £6,000, then 48 monthly payments of £1,266 at 5.9% APR representative (fixed). Total amount payable £66,768, including the deposit. The rate you are offered depends on your business and the asset.
Guide prices for sizing a finance agreement, not quotes. Manufacturers in this market mostly price on application, so where a current UK list price could not be confirmed the row describes a specification class rather than naming a model. Your supplier quote is what the agreement is written against.
| Machine or specification | Guide price | Type |
|---|---|---|
| Infrared Cabin Suite | £10,000 - £25,000 | Infrared Cabin |
| Built-In Traditional Sauna Suite | £15,000 - £35,000 | Traditional Sauna Suite |
| Combined Wet/Dry Spa Suite (Sauna, Steam, Plunge) | £50,000 - £120,000 | Combined Spa Suite |
| Full Spa Thermal Suite Fit-Out | £120,000 - £250,000 | Full Thermal Suite |
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Check EligibilityHow a a sauna installation is taxed depends on how fixed it is. Genuinely moveable, demountable parts are generally treated as plant and machinery and can qualify for the Annual Investment Allowance, letting a business deduct their cost from taxable profits in the year of purchase, up to the current £1,000,000 annual limit. A sauna, steam room or plunge pool built into a fixed spa suite with wiring, plumbing and tiling is usually treated as part of the building or the ground rather than as plant, so it does not qualify for AIA in the same way; a lower annual writing-down allowance on qualifying construction costs may be available instead, spread over a much longer period than an AIA deduction, and it is a separate claim from anything financed as equipment. A specialist accountant should confirm the treatment for your specific installation before you commit to a finance structure or claim an allowance.
Larger, built-in sauna and spa thermal suites are bought by hotels, spas and leisure clubs fitting out a dedicated wellness area, distinct from a smaller demountable cabin that could in principle be moved. A combined suite covering sauna, steam room and plunge facilities is wired, plumbed and tiled into a fixed room as part of a construction project, so the built structure itself is generally financed as an installation with an unsecured business loan or a loan secured against the site, rather than as freestanding equipment. Genuinely demountable timber cabins bought and installed without significant building work sit closer to moveable equipment and can be financed more conventionally. Replacement of a built suite is driven by tiling, heating element and waterproofing wear over years of humid, high-temperature use, and demand for a wellness offer has grown steadily as hotels and clubs compete on facilities beyond the core gym or pool.
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