Professional Teeth Whitening in Edgware
Award-winning Boutique Whitening from £250 — dentist-prescribed, safe and legal, with visible results in 2–3 weeks.
Whitening is the quickest, most affordable way to transform your smile — but in the UK it’s only safe and legal when prescribed by a dental professional. At Toothi we use the award-winning Boutique Whitening system, tailored to your teeth by Dr Ali, with custom-made trays that whiten evenly and protect your gums. Most patients see a dramatically brighter smile within two to three weeks.
Whitening options at Toothi
Power Whitening — £250
An accelerated in-practice whitening session for a fast, noticeable boost — ideal before a big event or as a kick-start to home whitening.
Home Whitening — £350
Custom trays made from a digital scan of your teeth, with professional Boutique gel worn overnight or 1–2 hours a day. Full results in 2–3 weeks — and you keep the trays for easy top-ups.
Is teeth whitening safe — and legal?
Yes — when it’s done through a dentist. UK law limits whitening products to a maximum of 6% hydrogen peroxide, and only registered dental professionals may legally provide them after examining your teeth. Beauticians and online kits either break the law or use products too weak to work. Whitening is not suitable for under-18s, and we always check your teeth and gums are healthy first — whitening over decay or gum disease causes problems, which is why the dental check matters.
What results can I expect?
Most patients lighten by several shades. Results typically last from six months to two or three years depending on tea, coffee, red wine and smoking habits — and because you keep your custom trays, top-up gel makes maintenance easy and inexpensive. Some people feel temporary sensitivity during treatment; it settles quickly and we can adjust your regime if needed.
How it works
Assessment
A £55 dental examination confirms your teeth and gums are healthy and whitening will work for you.
Scan & Trays
A quick digital scan; your custom whitening trays are ready within days.
Whiten
Whiten at home over 2–3 weeks with our support — or boost in-chair with Power Whitening.
Whitening prices in Edgware
| Dental examination & whitening assessment | £55 |
| Power Whitening (in-practice) | £250 |
| Home Whitening (custom trays & gel) | £350 |
| Included free with Invisalign summer packages | see offer |
See our full fee guide. Boutique whitening is currently included free in our Invisalign Summer Smile packages.
Whitening FAQs
How much does teeth whitening cost in Edgware?
Power Whitening is £250 and Home Whitening with custom trays is £350 at Toothi. A £55 examination first confirms whitening is safe and right for your teeth.
How long does teeth whitening last?
Typically from six months to two or three years, depending on diet and smoking. Because you keep your custom trays, occasional top-up gel keeps your smile bright for a fraction of the original cost.
Does whitening damage your enamel?
No — dentist-supervised whitening at legal concentrations is safe and does not soften or damage enamel. Temporary sensitivity can occur and settles quickly.
Why can’t I just buy a kit online or go to a salon?
In the UK only dental professionals can legally provide effective whitening (up to 6% hydrogen peroxide). Salon and online products are either illegal, unsafe without a dental check, or too weak to make a real difference.
Will whitening work on crowns, veneers or bonding?
No — restorations don’t change colour. That’s why we whiten first and colour-match any new bonding or veneers to your brighter shade afterwards.
How white will my teeth go?
It varies person to person — most lighten by several shades to a natural-looking brightness. We’ll give you an honest expectation at your assessment based on your current shade and the cause of the staining.
