The top universities in the UK are generally considered to be:

1. University of Oxford
2. University of Cambridge
3. Imperial College London
4. University College London (UCL)
5. London School of Economics and Political Science (LSE)
6. University of Edinburgh
7. University of Manchester
8. King's College London
9. University of Bristol
10. University of Warwick

These rankings are typically based on various criteria such as academic reputation, research output, student satisfaction, and international outlook. It's important to note that rankings may vary depending on different league tables or assessments, so it's recommended to refer to multiple sources for a comprehensive understanding of university rankings.