Traylen and Lenton was an architectural practice in Stamford, Lincolnshire. The practice had offices at 16 Broad Street, Stamford and were the successors to a line of architects working in Stamford, starting in the 1830s with Bryan Browning and continued by his son Edward Browning. The Brownings' practice was purchased by John Charles Traylen in 1888. Henry Francis Traylen became a partner in the practice and sole proprietor after his father's death in 1907. Frederick James Lenton worked as his assistant from 1908 until he became a partner in the practice with Traylen in 1921/2. The partnership had offices in Newark, Grantham and Peterborough, as well as Stamford.