On 2September，1666，the citizens of London woke to see the city's crowded wooden houses on fire．The fire started in a baker's shop in Pudding Lane in the early hours of the morning． By the time it burned Alit Otis 5September around 13，000buildings had been destroyed，including the original St Paul's Cathedral，87churches and 52company halls．Between 65，000and 80，000people lost their homes，although thankfully only a handful wcrc recorded as having been killed． The estimated cost of the fire was around 10million pounds．

Soon after the fire，several designs work put forward for the redevelopment of London，among them once from Wren，a favorite or King Charles TI．A common theme was streets spreading out from the river and crossing with others running parallel to it．However，a lack of money to buy the land and the need to rebuild the city quickly ruined all his grand ideas．

Instead，nearly 3，000houses were built within the first three years，mostly back on the original layout．

The task of getting London rebuilt was given to a commits of six men，including Wren．Their role was to manage surveys of ruined properties and consider the fun and scald of new buildings，and any adjustments to the streets．

The major roads were widened to reduce the risk of fires spreading in futile．For the same reason，buildings were constructed largely from brick and stunk instead of wood．Guidelines were also made for the height of houses and about how much woo could be used on the outside． There was even a new rule insisting on the use of downpipes，to stop problems with rainwater flowing down from gutters（拌水沟）．

Although others designed and rebuilt many properties in Lincoln after the Great Fir，Wren was the most product．vie architect．In total，he designed and supervised the construction of 52churches，36company halls，two great hospitals and St Paul's Cathedral，aim or which took 35years to complete． Many of'these still stand today． Wren was also one of the archit