1. Gerald Cavendish Grosvenor and family - £6.954 billion

Source: Real estate

1. Gerald Cavendish Grosvenor and family - £6.954 billion

Source: Real estate

2. David and Simon Reuben - £6.405 billion

Source: Investments and real estate

3. Hinduja Brothers - £5.063 billion

Source: Diversified

4. Charles Cadogan and family - £3.355 billion

Source: Real estate

5. Philip Green and family - £3.050 billion

Source: Retail

6. Richard Branson - £2.806 billion

Source: Virgin

7. James Dyson - £2.684 billion

Source: Vacuums and engineering

8. Laurence Graff - £2.684 billion

Source: Diamond jewellery

9. Anthony Bamford - £2.562 billion

Source: Construction equipment

10. Joe Lewis - £2.562 billion

Sector: Investments

11. Bruno Schroder - £2.501 billion

Source: Investments

12. Bernard Ecclestone and family - £2.135 billion

Sector: Formula One

13. Mike Ashley - £2.074 billion

Source: Sports retailing

14. Ian and Richard Livingstone - £1.952 billion

Source: Real estate

15. David and Frederick Barclay - £1.830 billion

Source: Media retail

16. Eddie and Sol Zakay - £1.708 billion

Source: Real estate

17. Farhad Moshiri - £1.586 billion

Source: Iron ore, steel, telecoms

18. John Caudwell - £1.525 billion

Source: Mobile phones

19. John Whittaker - £1.464 billion

Source: Real estate

20. Clive Calder - £1.403 billion

Source: Record label

21. Peter Hargreaves - £1.342 billion

Source: Financial services

22. Nadhmi Auchi - £1.281 billion

Source: Real estate

23. Alex Beard - £1.281 billion

Source: Glencore

24. Mark Coombs - £1.159 billion

Source: Finance

25. Ayman Asfari - £1.159 billion

Source: Oil services

26. Richard Desmond - £1.159 billion

Source: Oil services

27. Charles Dunstone - £1.098 billion

Sector: Mobile phones