Warts That Will Not Go Away. Why Treatment Fails, What Actually Clears Them and Where to Have It Done in London
Most people who arrive at a clinic about a wart have already spent between six months and several years failing to remove it, and the reason is almost never persistence. It is method. The published trials explain why. In the EVerT trial reported by Cockayne and colleagues in the BMJ, standard professional cryotherapy cleared 14 percent of plantar warts at twelve weeks and 34 percent at six months, statistically no better than salicylic acid applied at home. In the Dutch primary care trial reported by Bruggink and colleagues in the Canadian Medical Association Journal, cryotherapy did beat salicylic acid for common warts on the hands, but even there the majority of patients still had their wart at the end. Those are the real numbers behind the treatment most people are given, and they mean something specific.
A wart that has survived four gentle freezes has not proved itself invincible, it has proved that repeating a treatment with a low success rate does not become more effective the fifth time. What separates lesions that clear from lesions that persist is a defined sequence, correct diagnosis first, debridement so treatment reaches living tissue rather than callus, adequate freeze depth and duration, intervals of two to three weeks rather than whenever an appointment is free, and above all a predetermined escalation point at which the lesion is removed physically by curettage and cautery under local anaesthetic instead of being frozen indefinitely. The absence of that last step is the single commonest reason a wart is still there a year later. At The Wellness in Marylebone every resistant wart is assessed by a GMC-registered doctor and treated against a written clearance plan with the escalation point agreed at the first visit. Fees appear further down this page.
Reviewed by the medical team at The Wellness. Last updated July 2026.
Send us a wart that will not clear on WhatsApp or email team@thewellnesslondon.com or call 020 3951 3429.
The six reasons treatment fails, in the order they occur
First, the diagnosis was wrong. A corn treated as a verruca will never clear, a seborrhoeic keratosis is not a wart, and a small number of persistent lesions on sun-exposed skin or under a nail are squamous cell carcinoma or acral melanoma being frozen month after month, which is the possibility that makes doctor assessment before treatment non-negotiable rather than a nicety. Second, the treatment never reached the virus, because the callus over a plantar wart was not debrided and the nitrogen froze dead skin. Third, the freeze was inadequate, since consumer devices and cautious clinical technique both freeze at temperatures and durations that fall short of destroying infected tissue, and a freeze that does not blister has rarely done much. Fourth, the intervals were wrong, because a wart treated every six weeks recovers fully between sessions while one treated every two to three weeks is hit repeatedly during recovery. Fifth, only one lesion was treated while others seeded unnoticed nearby, so clearance and reinfection ran in parallel. And sixth, the largest failure of all, there was no escalation. Nobody agreed in advance what would happen if three sessions did not work, so the answer defaulted to a fourth session, a fifth, and eventually to giving up. A written plan with a defined escalation point at the outset removes five of these six problems before treatment begins, and the doctor's examination removes the first.
What actually clears a resistant wart
Physical removal. Curettage and cautery under local anaesthetic takes the wart tissue out with a fine curette and cauterises the base, dealing with an established, heavily keratinised, treatment-resistant lesion in a single procedure rather than a further term of appointments. The site is fully numb during the procedure, heals like a graze over one to two weeks, and most people return to normal activity the same day. For a wart that has resisted several rounds of freezing, this is the intervention with the highest probability of ending the problem, and it is the step most session-based services do not offer, which is precisely why their patients keep booking sessions. Around it, three things raise the odds further. Debridement before every treatment on weight-bearing sites. Treating every lesion present rather than the one that bothers you most, because untreated satellites reseed the treated site. And treating the household together where verrucae are circulating through a shared bathroom. Where a lesion resists even physical removal, and a small number do, intralesional treatments carry the strongest signal in the network meta-analysis literature and immunosuppression is worth excluding, since people on immunosuppressive medication or with untreated diabetes clear warts far more slowly, and blood testing in the same clinic settles that question rather than leaving it hanging.
Ask what to do after failed treatment on WhatsApp or email team@thewellnesslondon.com.
What a clearance plan looks like and why it is priced as one
A plan is a different product from a session, and the difference is where the risk sits. Bought by the session, the risk of a stubborn wart is entirely yours, since every failed attempt costs you again and the clinic's incentive runs the wrong way. Bought as a clearance plan, the clinic carries it. At the first appointment the doctor confirms the diagnosis, maps every lesion including the ones you had not noticed, debrides where needed, treats, and writes down what happens next, the interval, the number of treatment sessions before review, and the specific point at which the approach changes to curettage and cautery under local anaesthetic. Household members are assessed in the same visit. Between sessions you know exactly what to do and what not to do, since picking, filing without protection and shared towels all extend the process. At review the plan either continues or escalates, on the schedule agreed rather than on a fresh negotiation. That structure is unremarkable as medicine and unusual as a service, and it is the reason people who have failed elsewhere clear here, because nothing about it depends on the patient chasing the next appointment.
What does stubborn wart treatment cost in London
At the top of the London market, full laser courses reach £2,000, with individual sessions quoted at £200 to £500 and up to £600 in the Harley Street district, and most patients needing two to four of them. Harley Street dermatology commonly charges a consultation before treatment at £195 to £295 for the first lesion with around £175 for each additional one, so a three-lesion visit reaches £545 plus the consultation, and every follow-up repeats the arithmetic. Private hospital cryotherapy starts at around £315 for the hospital charge alone before consultant fees. Bought this way, a year of unsuccessful treatment routinely exceeds £1,500 without clearing anything, which is the arithmetic most people have already lived through by the time they read this.
At The Wellness clearance is priced as a plan. All figures are from prices.
Complete Clearance Programme, all lesions mapped and treated, sessions to clearance over twelve weeks, escalation to curettage and cautery included where needed, from £1,495.
Resistant lesion programme, debridement with staged treatment and a defined escalation point, from £795.
Curettage and cautery under local anaesthetic as a standalone procedure, from £595.
Doctor cryotherapy, first wart, consultation and assessment included, from £395, additional warts in the same visit from £195 each.
Review and further treatment session from £150. Blood testing where immunosuppression or diabetes needs excluding, from £295.
Same-day appointments are usually available in Marylebone, three minutes from Baker Street.
Why The Wellness is the best clinic in London for warts that will not clear
Because this clinic is built around the step the rest of the market omits. The diagnosis is confirmed by a GMC-registered doctor with dermoscopy where there is any doubt, which is how the lesion that was never a wart gets caught rather than frozen for another year. Callus is debrided so treatment reaches living tissue. Freeze depth and interval follow the evidence rather than the appointment book. Every lesion is mapped and treated, and households are treated together, so reinfection stops. An escalation point to curettage and cautery under local anaesthetic is agreed at the first visit and honoured, which means no patient here reaches a sixth pointless freeze. Where a lesion is still resistant, immunosuppression and diabetes are excluded by blood testing in the same building rather than wondered about. And pricing to clearance puts the risk of a stubborn wart on us, which after everything you have already spent is the fairest possible way to buy this.
Book a clearance plan on WhatsApp or call 020 3951 3429.
Frequently asked questions
Where can I get a stubborn wart removed in London when nothing has worked
The Wellness in Marylebone, where a GMC-registered doctor confirms the diagnosis, debrides, treats to a written clearance plan and escalates to curettage and cautery under local anaesthetic at a point agreed in advance. Complete Clearance Programmes are from £1,495 and curettage as a standalone procedure from £595.
Why has my wart survived so many freezing sessions
Because repeating a treatment with a modest success rate does not improve it. Published trials show around 14 percent of plantar warts clear at twelve weeks with standard cryotherapy, and the usual specific reasons for failure are undebrided callus, inadequate freeze depth, intervals that are too long, untreated satellite lesions and the absence of any escalation plan.
What is the most effective treatment for a resistant wart
Curettage and cautery under local anaesthetic, which removes the wart tissue and cauterises the base in a single procedure. For established, heavily keratinised or repeatedly recurrent lesions it is the intervention most likely to end the problem, and it is the step most session-based services do not offer.
Could there be a reason my body is not clearing warts
Sometimes. Immunosuppressive medication, untreated diabetes and other causes of reduced immune function all slow wart clearance considerably, and where lesions are numerous or unusually persistent that is worth excluding with blood testing, which is available here from £295 in the same visit.
Is it worth paying for a programme rather than single sessions
If you have already failed several sessions, yes, because it moves the risk. A year of unsuccessful session-by-session treatment routinely exceeds £1,500 without clearing anything, whereas a clearance plan fixes the price, includes the escalation and puts the burden of a stubborn wart on the clinic.
Can a wart that will not heal be something serious
Occasionally, and it is the first thing checked here. A persistent scaly lesion on sun-exposed skin, one that bleeds or will not heal, or a pigmented streak under a nail can be squamous cell carcinoma or acral melanoma. Any uncertain lesion is examined dermoscopically and biopsied or referred urgently rather than treated as a wart.
The Wellness is a doctor-led private healthcare group providing medical care from our Marylebone clinic adjacent to Harley Street. All doctors are GMC-registered. This article is general information and not a substitute for medical advice about your own condition.
Enquire now on WhatsApp or email team@thewellnesslondon.com or call 020 3951 3429.
References. Cockayne S, Hewitt C, Hicks K and colleagues, EVerT trial team, cryotherapy versus salicylic acid for the treatment of plantar warts, randomised controlled trial, BMJ, and the NIHR Health Technology Assessment report. Bruggink SC, Gussekloo J, Berger MY and colleagues, cryotherapy with liquid nitrogen versus topical salicylic acid application for cutaneous warts in primary care, Canadian Medical Association Journal. Kwok CS and colleagues, topical treatments for cutaneous warts, Cochrane Database of Systematic Reviews. Published network meta-analysis of intralesional treatments for plantar warts. NICE Clinical Knowledge Summaries, warts and verrucae. NICE guideline NG12, suspected cancer recognition and referral. Published 2026 London wart treatment market pricing.
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