Professional teeth whitening is one of the most popular cosmetic dental treatments in the UK, with demand growing by over 30% in the last five years. Costs range from £150 for take-home kits to £1,000+ for premium laser treatments. This guide covers every option, what results to expect, safety considerations, and how to find a qualified provider.
Professional Whitening Options Compared
There are three main types of professional teeth whitening available from UK dentists:
| Type | Cost | Time | Results | Longevity |
|---|---|---|---|---|
| In-chair (Zoom/Enlighten) | £300 – £700 | 1–2 hours | 6–8 shades lighter | 1–3 years |
| Take-home kit (custom trays) | £150 – £400 | 2–4 weeks | 4–6 shades lighter | 6–12 months |
| Laser whitening | £500 – £1,000 | 1 hour | 8–10 shades lighter | 2–3 years |
| Combination (in-chair + home) | £400 – £800 | 1 visit + 2 weeks | 8–10 shades lighter | 2–3 years |
Is Teeth Whitening Safe?
Yes — when performed by a qualified dental professional. In the UK, teeth whitening is a regulated dental procedure. Only registered dentists, dental hygienists, and dental therapists can legally perform whitening treatments.
Key safety points:
What Results Can You Expect?
Results depend on the type of treatment, your starting shade, and lifestyle factors. Most patients see their teeth lighten by 4–8 shades with professional treatment.
Whitening works best on yellowed teeth. It is less effective on grey or brown discolouration, tetracycline staining, or teeth with lots of dental work (crowns and fillings do not whiten). Your dentist should manage expectations during your consultation.
To maintain results, avoid heavy staining from coffee, red wine, tea, and smoking. Using a whitening toothpaste and occasional top-up treatments helps prolong the effect.
Who Should Avoid Whitening?
Whitening is not suitable for everyone:
Frequently Asked Questions
Related Treatments
Related Guides
Ready to find a dentist?
Compare verified practices, see transparent pricing, and book with confidence. Free for patients.

