The BBC ran a poll a few years back and they captured the 100 most popular books. Search for "Big read top 100" should find it. I won't reprint the whole thing, but the top 20 were
1. The Lord of the Rings, JRR Tolkien
2. Pride and Prejudice, Jane Austen
3. His Dark Materials, Philip Pullman
4. The Hitchhiker's Guide to the Galaxy, Douglas Adams
5. Harry Potter and the Goblet of Fire, JK Rowling
6. To Kill a Mockingbird, Harper Lee
7. Winnie the Pooh, AA Milne
8. Nineteen Eighty-Four, George Orwell
9. The Lion, the Witch and the Wardrobe, CS Lewis
10. Jane Eyre, Charlotte Brontë
11. Catch-22, Joseph Heller
12. Wuthering Heights, Emily Brontë
13. Birdsong, Sebastian Faulks
14. Rebecca, Daphne du Maurier
15. The Catcher in the Rye, JD Salinger
16. The Wind in the Willows, Kenneth Grahame
17. Great Expectations, Charles Dickens
18. Little Women, Louisa May Alcott
19. Captain Corelli's Mandolin, Louis de Bernieres
20. War and Peace, Leo Tolstoy
Some of these may date, like 3, 5, 13 and 19, but I bet in 50 years time the list will be pretty similar.
Judging by your list you might like Jonathan Strange and Mr. Norrell by Suzanna Clarke