If you have started researching clear aligners, you have probably noticed how vague most practices are about money. Prices sit behind an enquiry form, arrive as a range so wide it tells you nothing, or only appear once you are already in the chair. That is frustrating when all you want to know is what you will actually pay.
This guide sets out the Invisalign cost UK patients can realistically expect, explains which factors move that number up or down, and shows you our published fees so you can compare like for like. Purley Dental Care has looked after smiles in Purley for more than fifty years, and we publish our Invisalign pricing openly because you deserve to know the cost before you book, not after.
What Is The Average Invisalign Cost UK Patients Pay?
Across the UK, private Invisalign treatment generally falls somewhere between £1,500 and £5,500. That range is broad because it covers everything from a short course correcting two mildly rotated front teeth to a full comprehensive case moving every tooth in both arches across eighteen months.
Most people land in the middle. A comprehensive dual arch case in the South East typically sits between £3,500 and £4,500, while single arch and shorter treatments cost noticeably less. Central London practices tend to sit at the top of the range and smaller towns towards the bottom.
A national average is only ever a starting point. The Invisalign cost UK dentists quote you is built around your specific mouth, not applied from a fixed price list, so the factors below matter far more than any headline figure.
Invisalign Cost UK: Our Published Fees In Purley
We publish our prices rather than hiding them behind a consultation, so you can budget properly before committing to anything.
| Treatment | Cost |
| Invisalign consultation | £20 |
| Invisalign, single arch | From £2,500 |
| Invisalign, dual arch | From £3,800 |
| Fixed retainer, per arch | £200 |
| Essix removable retainer, per arch | £150 |
| Vivera retainer, per arch | £300 |
The £20 consultation is deliberately low. It exists so you can find out whether you are suitable, see a digital preview of your projected result and receive a written quote without any obligation to proceed. Pricing for every other treatment we provide is listed on our fees and payment.
Six Factors That Change Your Invisalign Cost UK Quote
Understanding these makes the difference between a £2,500 case and a £4,500 one much less mysterious.
How Complex Your Case Is
Complexity is the single biggest driver. Mild crowding or a small gap between two teeth may need only a handful of aligners. Correcting a pronounced overbite, underbite, crossbite or open bite demands far more tooth movement, more aligner sets and considerably more planning time. Our orthodontic treatment explains which alignment problems clear aligners can and cannot resolve.
Whether You Treat One Arch Or Both
Treating the upper teeth alone costs less than treating upper and lower together, which is why our single arch fee starts at £2,500 and dual arch at £3,800. Single arch suits patients whose lower teeth are already well aligned. It is not always clinically appropriate, because moving one arch in isolation can change how your bite meets.
How Long Your Treatment Takes
Mild to moderate cases usually complete in six to twelve months. More complex alignment issues can run to eighteen months. Longer treatment means more aligner sets and more review appointments, and both feed into the total.
Where The Practice Is Based
Overheads vary enormously by location. Central London practices carry rent and staffing costs that show up in their fees. Purley sits on the Croydon and Surrey border, which means our patients get South East clinical standards without central London pricing.
The Experience Of Your Clinician
Clear aligner treatment is not automated. Your dentist decides which teeth move, in what sequence and by how much, and how to respond when a case does not track exactly as predicted. That judgement shows in the result, and it is reasonable for it to show in the fee. You can check any UK dentist’s registration, qualifications and current status free of charge on the General Dental Council register.
Retainers And Long Term Retention
Teeth drift back without retention. That is simply how teeth behave, not a sales tactic. Ask whether retainers are included in any quote or charged separately, because it can represent several hundred pounds. We price ours transparently, from £150 for an Essix retainer to £300 for a Vivera made by Align Technology from the same material as the aligners themselves.
What Should Be Included In Your Invisalign Price
A complete quote should cover your digital scan and treatment planning, every aligner set in the planned course, review appointments every six to eight weeks, any attachments required, and clear pricing for retention afterwards.
Be particularly careful about refinements. These are additional aligners produced if your teeth do not move exactly as predicted, and they are common enough that a quote excluding them is not really a full price. Ask the question directly before you sign anything.
If Invisalign turns out not to suit your case, alternatives are worth discussing. Spark aligners work on similar principles and we provide both systems at the practice.
Can You Get Invisalign On The NHS?
Almost never, and it helps to understand why. NHS orthodontic treatment is free for under eighteens with a clear clinical need, assessed using the Index of Orthodontic Treatment Need. Grade 4 and grade 5 cases qualify, while grade 3 cases are judged individually.
The NHS confirms that orthodontic treatment is not usually available on the NHS for adults, and that most adults receive private treatment. Even where NHS treatment is approved, it is normally delivered with fixed metal braces rather than clear aligners. For adults, therefore, the Invisalign cost UK figure is a private fee in almost all circumstances.
Spreading The Cost With 0% Finance
Paying several thousand pounds in one go is not realistic for most households, so we offer interest free finance on Invisalign treatment. Spreading the fee across monthly instalments at 0% means the total you pay is identical to paying upfront, simply divided across the term. Terms and conditions apply and approval is subject to eligibility.
We are also a BUPA recognised practice. If you hold dental insurance it is worth checking your policy, as some plans contribute towards orthodontic treatment. Our team will talk you through both routes at your consultation.
Is Invisalign Worth The Investment?
That depends on what is actually bothering you. If your concern is only the shade of your teeth rather than their position, teeth whitening is a far smaller investment and may be all you need.
If the shape or edges of individual teeth are the issue, composite bonding can sometimes achieve the look you want without moving anything at all.
Alignment is a different question. Crowded and overlapping teeth trap plaque where a toothbrush cannot reach, raising the long term risk of decay and gum disease. A bite that does not meet properly can wear enamel unevenly. Straightening is often a health decision as much as a cosmetic one, and the result lasts for decades provided you wear your retainer.
How To Compare Quotes Between Practices
If you are gathering quotes from more than one practice, compare these points rather than the headline number:
- Whether the quote covers single arch or dual arch treatment
- Whether refinements are included or charged separately
- Whether retainers are included, and which type
- How many review appointments the fee covers
- Who is treating you and what their clear aligner experience is
A quote that looks £400 cheaper but excludes retainers and refinements usually turns out to be the more expensive option by the end of treatment.
Who Will Provide Your Invisalign Treatment
Invisalign at Purley Dental Care is provided by Dr Sonam Bhatia (GDC No: 262929), an Associate Dentist who holds the LDS from the Royal College of Surgeons in London, a postgraduate examination testing clinical judgement across the full breadth of dentistry. Clear aligners are a clinical focus for her rather than an occasional add on, and she has developed her approach to smile design through advanced mentorship with Christopher Orr, one of the UK’s best known cosmetic and restorative dentists. You can read more about her and the rest of our clinical team.
Frequently Asked Questions
How Much Does Invisalign Cost In The UK On Average?
Most UK practices quote between £1,500 and £5,500, with comprehensive dual arch cases in the South East typically falling between £3,500 and £4,500. At Purley Dental Care, single arch treatment starts from £2,500 and dual arch from £3,800.
Why Does Invisalign Cost More Than Some Other Aligners?
Invisalign is manufactured by Align Technology and the laboratory fee for your custom aligner series makes up a significant portion of the price. It is also one of the most clinically documented aligner systems available, with more than twenty million patients treated worldwide, and treatment is planned and supervised throughout by a trained dentist.
Can I Pay For Invisalign Monthly?
Yes. We offer 0% interest free finance so the cost can be spread across monthly payments without you paying any more overall. Eligibility criteria and terms apply.
Does The Invisalign Price Include Retainers?
At Purley Dental Care retainers are quoted separately so you can see precisely what you are paying for. Fixed retainers are £200 per arch, Essix removable retainers £150 per arch and Vivera retainers £300 per arch. Always confirm this with any practice you are comparing.
How Much Is An Invisalign Consultation?
Ours is £20. It covers an examination of your teeth and bite, a digital scan if Invisalign is suitable, a preview of your projected result and a written cost breakdown for your specific case.
Will My Teeth Move Back After Treatment?
They will if you do not wear a retainer. Teeth naturally tend to drift towards their original position, sometimes within months of finishing. Retention is a permanent part of the plan rather than an optional extra.
Book Your Invisalign Consultation In Purley
The only way to know your genuine Invisalign cost UK quote is to have your teeth assessed properly. Our £20 consultation gives you a clear answer on suitability, a digital preview of the likely result and a written price with no obligation to proceed.
Call 020 8660 2928 or book your appointment online to get started.
We are at 22 Pampisford Road, Purley, Surrey, CR8 2NE, open Monday to Saturday with late appointments on Thursdays, and we welcome new patients from across Purley, Croydon, Coulsdon and Surrey.
