The most expensive dog breeds of 2021. Picture: Pixabay The most expensive dog breeds of 2021 have been revealed - is your dog on the list? The price of a puppy has increased by an average of £1,249 since the start of the pandemic in March 2020, rising from £1,066 to £2,315. Research carried out by Benchmark Kennelshas revealed the priciest puppies in the UK, finding average asking prices ranging from £1,050 to £3,700, over double the pre-lockdown 2020 value. With puppy prices climbing since the start of last year, the Benchmark Kennels team decided to investigate which breeds are now the most expensive. Across the 42 popular breeds surveyed, the team found that puppy prices have risen by £1,249 since March 2020. This cost has increased by 132.3%, with the average puppy more than doubling in price from £1,066 to £2,315.