Typical clear aligners prices in the UK
Prices vary between clinics and treatment systems, but the ranges below reflect what most patients encounter in the UK private market. NHS clear aligners are rarely available for adults and are not typically offered as a primary treatment pathway.
Mild
£1,500 – £2,800
Minor crowding, small gaps, or slight relapse after previous treatment. Fewer aligner stages, shorter timeline.
Moderate
£2,800 – £4,200
More significant crowding or spacing, some bite involvement. Longer plan with more stages and monitoring.
Complex
£4,200 – £5,500+
Significant bite correction, multiple tooth movements, or cases requiring attachments and auxiliaries.
What affects clear aligners cost
1. Case complexity and amount of movement
The more tooth movement required, the more aligner stages are needed, and the longer the treatment. A case involving a simple gap closure is significantly less involved than one correcting a crowded bite with rotation.
2. Number of aligner stages
Each stage represents a new set of trays. More stages mean more manufacturing cost, more monitoring appointments, and a longer overall plan. Mild cases may require 10 to 20 stages; complex cases can exceed 40 or more.
3. Brand and treatment system
Invisalign is the most widely recognised brand and tends to sit at the higher end of pricing. Other systems — including own-brand aligner solutions offered by practices — can be more affordable while achieving comparable results for suitable cases.
4. Attachments and auxiliaries
Small tooth-coloured bumps (attachments) are often bonded to teeth to help aligners grip and perform more complex movements. Some cases also require interproximal reduction (IPR) — small amounts of enamel reduction between teeth — or elastics. These are usually included in the quoted price.
5. Refinements
Refinements are additional aligner stages used to fine-tune the result at the end of treatment. Some practices include unlimited refinements; others provide a set number or charge separately. This can make a significant difference to the total cost.
6. Retainers and aftercare
Retainers are essential after treatment to prevent teeth shifting back. These are sometimes included in the package price, sometimes charged separately (typically £150 to £400 per arch). Ask what happens if retainers need replacing.
What is usually included — and what is sometimes extra
Usually included
Initial clinical assessment
Digital scans or impressions
Treatment planning and aligner manufacture
Fitting appointment
Monitoring appointments
Attachments and IPR (where needed)
Sometimes extra
X-rays or dental records
Refinement stages beyond a set number
Retainers (especially replacements)
Whitening after treatment
Emergency appointments
Tooth-by-tooth contouring
Clear aligners vs braces: cost comparison
Clear aligners and braces overlap significantly in price. The right choice depends on your case, not just cost.
| Clear Aligners | Metal Braces | |
|---|---|---|
| Typical UK cost | £1,500 – £5,500 | £2,000 – £4,500 |
| Visibility | Very discreet | Visible |
| Removable | Yes | No |
| Bite correction | Possible in many cases | Strong control |
| Complex rotations | More limited | Well suited |
| NHS availability | Rarely | For qualifying under-18s |
Payment plans
Many orthodontic practices offer monthly payment plans, typically spreading the cost over 12 to 36 months. Some are interest-free for shorter terms; longer plans may carry a rate. It is always worth asking upfront about the total payable under a finance arrangement versus paying in full.
How to get a personalised estimate
The most reliable way to narrow down cost is through a clinical assessment — either in-person or via a photo-based remote evaluation. Photos show how much movement appears to be needed and whether the case looks like a straightforward alignment or a more complex bite correction. This gives both you and the orthodontist a clearer starting point before committing to a full consultation.
Frequently asked questions
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