Cost of Teeth Whitening in the UK
Teeth whitening is one of the most popular cosmetic dental treatments in the UK. It is designed to lighten the colour of teeth and remove stains caused by food, drinks, smoking, and ageing.
In 2026, professional teeth whitening treatments in the UK typically cost between £250 and £600, depending on the type of treatment and the dental clinic.
Quick Answer
Typical teeth whitening costs in the UK are:
| Treatment Type | Average Cost |
|---|---|
| At-home whitening kit from dentist | £250 – £400 |
| In-clinic laser whitening | £400 – £600 |
| Over-the-counter whitening kits | £20 – £100 |
Professional dental treatments generally produce more noticeable and longer-lasting results.
Dentist-Provided Whitening Kits
Many dentists offer custom take-home whitening kits.
These typically include:
- custom-made mouth trays
- whitening gel
- instructions for safe application
Patients usually wear the trays for a few hours per day or overnight for one to two weeks.
Typical price: £250 – £400.
In-Clinic Teeth Whitening
Some clinics offer laser or light-activated whitening treatments.
During this procedure:
- Whitening gel is applied to the teeth
- A special light or laser activates the whitening agent
- The process may be repeated several times in one appointment
Results can often be seen immediately after the treatment.
Typical price: £400 – £600.
Over-the-Counter Whitening Products
Many pharmacies and online retailers sell whitening products such as:
- whitening strips
- whitening pens
- LED whitening kits
- whitening toothpaste
These products are generally cheaper but may produce more gradual results.
Typical cost: £20 – £100.
Is Teeth Whitening Safe?
In the UK, teeth whitening should ideally be carried out under the supervision of a qualified dentist.
Professional whitening treatments are considered safe when performed correctly. However, some people may experience temporary tooth sensitivity after treatment.
Dentists usually check that the teeth and gums are healthy before whitening begins.
How Long Do Results Last?
Teeth whitening results can last 6 months to 2 years, depending on lifestyle habits.
Factors that affect whitening results include:
- smoking
- drinking coffee or tea
- red wine consumption
- oral hygiene habits
Regular brushing and avoiding staining foods can help maintain results longer.
Typical Teeth Whitening Cost Summary
| Treatment | Typical Cost |
|---|---|
| Dentist take-home kit | £250 – £400 |
| Laser whitening | £400 – £600 |
| Retail whitening kits | £20 – £100 |
Final Thoughts
The cost of teeth whitening in the UK usually ranges from £250 to £600 for professional treatments. While over-the-counter kits are cheaper, dentist-supervised whitening generally offers safer and more effective results.