Updated 2026-09-06 · Prices in GBP · Recall feed checked daily
🇬🇧 United Kingdom
Home United Kingdom vet costs Hyperthyroidism, radioiodine (I-131)
🇬🇧 United Kingdom · Emergency & major

Hyperthyroidism, radioiodine (I-131) cost across United Kingdom

One-off radioactive iodine treatment that cures more than 95 percent of hyperthyroid cats, including the required isolation stay.

£930–£2,030national typical range (GBP)
Londonmost expensive city
Belfastleast expensive city
Top 10

Where it costs most

London£1,995
Cambridge£1,700
Brighton£1,655
Bristol£1,595
Edinburgh£1,555
Manchester£1,480
York£1,480
Aberdeen£1,450
Birmingham£1,435
Save money

Ways to pay less

  • Vets normally trial methimazole for four to six weeks first, because treatment can unmask hidden kidney disease.
  • Cheaper over a cat's remaining life than years of daily tablets and monitoring.
Insurance check

Insured cats in Norwich would get roughly £1,290 of this back.

Typical plans reimburse 80–90% after the deductible, for about £25–£53/month for a young cat.

Full table

All 21 cities

CityTypical rangeIndex
London ENG£1,255–£2,740
Cambridge ENG£1,065–£2,335
Brighton ENG£1,040–£2,275
Bristol ENG£1,000–£2,190
Edinburgh SCT£975–£2,130
Southampton ENG£945–£2,070
Manchester ENG£930–£2,030
York ENG£930–£2,030
Aberdeen SCT£910–£1,990
Birmingham ENG£900–£1,970
Norwich ENG£900–£1,970
Leeds ENG£880–£1,930
Plymouth ENG£870–£1,910
Liverpool ENG£865–£1,890
Glasgow SCT£855–£1,870
Cardiff WLS£855–£1,870
Nottingham ENG£855–£1,870
Sheffield ENG£835–£1,825
Newcastle ENG£835–£1,825
Swansea WLS£835–£1,825
Belfast NIR£790–£1,725
FAQ

Questions

What is the average cost of hyperthyroidism, radioiodine (i-131) in United Kingdom?

Nationally £930–£2,030 in 2026. London is the most expensive city we track; Belfast the least.

Why do prices vary so much between cities?

Rent, staff wages, equipment and competition. Big-city specialty hospitals can charge double what a rural clinic does for the same procedure.

Does pet insurance cover hyperthyroidism, radioiodine (i-131)?

Yes, on most accident-and-illness plans after the deductible.

Free alerts

Alert me when hyperthyroidism, radioiodine (i-131) prices change

One email when British vet prices move or a recall hits. No spam.