The average UK car insurance premium has risen by £338 over the past year, reaching £924. Inner London saw the highest increase, with residents paying an average of £1,503. Notably, those aged 21 and under are now paying over £2,000 on average. However, drivers aged 30-38 are not exempt, with none paying less than £1,000 on average. Despite the increase, savings are still available, especially for those who seek ways to reduce costs.