The top mortgage lenders in the UK typically include a mix of large high street banks and specialized mortgage providers. As of the most recent data, here are the top 10 mortgage lenders in the UK:

1. Lloyds Banking Group
   • This group includes Lloyds Bank, Halifax, and Bank of Scotland. It is the largest mortgage lender in the UK by market share.
2. Nationwide Building Society
   • As the largest building society in the UK, Nationwide is a significant player in the mortgage market.
3. Santander UK
   • Santander is one of the major high street banks offering a wide range of mortgage products.
4. Barclays
   • Barclays is another leading high street bank with a strong presence in the mortgage market.
5. NatWest Group
   • This group includes NatWest and Royal Bank of Scotland (RBS), both significant mortgage providers.
6. HSBC
   • HSBC offers a comprehensive range of mortgage products and has a strong market share.
7. Virgin Money
   • Virgin Money, which acquired Northern Rock in 2012, is a prominent mortgage lender in the UK.
8. Yorkshire Building Society
   • As one of the largest building societies, Yorkshire Building Society offers competitive mortgage products.
9. Coventry Building Society
   • Coventry Building Society is known for its competitive rates and strong customer service in the mortgage market.
10. TSB
    • TSB is a notable player in the UK mortgage market, offering a variety of mortgage products.

These rankings can fluctuate based on market conditions, changes in mortgage lending practices, and corporate mergers or acquisitions. For the most up-to-date and detailed market share information, it’s advisable to consult recent financial reports or industry analyses.