Tax is nobody’s favourite part of a clinic plan, which is exactly why a 2025 tribunal decision caught a lot of owners off guard. If you intend to run your own room, this one matters before you set a single price.
What the tribunal decided
In Illuminate Skin Clinics Ltd v HMRC, published on 13 October 2025, the Upper Tribunal confirmed that cosmetic treatments are subject to VAT unless their principal purpose is medical care. The exemption people used to assume covered aesthetic work does not, in most cases, apply. If the reason for treatment is cosmetic, it is taxable.
Why this changes your numbers
Once your turnover crosses the VAT registration threshold, a fifth of your cosmetic income is no longer yours. Owners who priced as though the medical exemption applied can find themselves absorbing that, or passing a sudden 20 percent onto patients who will notice. The time to model this is before launch, not when the first return is due. Our VAT and tax guide walks through the thresholds and the cosmetic-versus-medical line.
Where the medical line still sits
There is a genuine distinction, and it is not a loophole to game. Treatment whose principal purpose is medical care can still qualify, but you need the clinical justification and the records to stand behind it, and a cosmetic appointment does not become medical because you would prefer it did. Document honestly.
The takeaway
Assume cosmetic income is taxable, price for it from day one, and get proper advice before you register. The start-up ledger and the pricing guide build the tax in rather than bolting it on later.