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I think for a London borough it's not a bad place to live There's quite a few parks dotted around so a lot of greenery compared to most places in London. Sutton still has grammar schools and these have a good reputation but competition to get in is fierce, the comprehensives also have reasonably good reputations but their catchment areas are very small so you'd want to be looking at moving very close to one of them if that was the type of schooling you wanted. Secondary school league tables here give you an idea of where to look.
I think as with anywhere it has it's nice bits and not so nice bits, the top of the high street has a lot of pubs now so it can get a bit rowdy on the weekends but I guess that's the same for a lot of places!
Moving back to the UK after 8 years abroad with 3 children - 15, 12 and 3. Thinking of living in Sutton or Carshalton. anyone live there? Would you recommend it? What are the schools like? Are there nice places to walk? Pros and cons of the area in general?