Across all age groups, glomerulonephritis is the second most common renal disease leading to end-stage renal disease in the UK, but is relatively more common in those requiring renal replacement therapy under the age of 65. The incidence of glomerulonephritis is reported as 73 cases per million population per year. This equates to one new presentation per GP practice in the UK approximately every other year. With an average 10-year survival of 63%, most practices are likely to have a small number of patients with chronic glomerulonephritis at any one time.