A horse chestnut tree will fill your garden and shade out everything else ... in years to come you or the next gardener will have an expensive tree felling bill .., and you may also have an expensive bill to repair your drains if they run at the back of your house.
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Another huge tree.
Trust you have a huge garden.
https://www.google.com/search?q=aesculus+hippocastanum+tree&tbm=isch&ved=2ahUKEwjAq_-dne3oAhXFDRQKHRE1D2AQ2-cCegQIABAA&oq=Aesculus+hippocastanum+tree&gs_lcp=CgNpbWcQARgAMgIIADoECAAQQzoGCAAQCBAeOgQIABAeOgQIABAYUNQFWKcOYPEYaABwAHgAgAGQAYgBrQSSAQMyLjOYAQCgAQGqAQtnd3Mtd2l6LWltZw&sclient=img&ei=S3WYXoBaxZtQkeq8gAY&bih=937&biw=1920&rlz=1C1CHBF_enGB785GB785
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.