How much should I pay for a second-hand road bike in the UK?

“A good-quality second-hand road bike in the UK costs between £300 and £1,500 depending on brand, age, and condition. Entry-level aluminium bikes from brands like Triban or Btwin start around £200, mid-range carbon bikes from Giant, Trek, or Specialized sit at £800 to £2,000, and high-end frames from Pinarello, Cervélo, or Canyon can reach £5,000+.”