Locate £1K Flip Car

I want to source a car in England that I can buy for around £1,000, sort quickly if needed, and resell for a healthy margin. I am open to any body style—sedan, SUV, hatchback—so long as the vehicle is mechanically sound; cosmetics can be less than perfect... (Budget: £10 - £20 GBP, Jobs: Automotive, Data Collection, Market Research)