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Newcastle BS Reports 9% Growth in Mortgage Market Lending

Newcastle Building Society reports a 9% rise in mortgage lending, highlighting improved retention despite margin pressures.

By David Sampson
2 August 2026
3 min read
UK residential mortgage article image for Newcastle BS Reports 9% Growth in Mortgage Market Lending

TL;DR

  • Newcastle Building Society s mortgage lending rose to £623 million, a 9% increase.
  • this reflects improved customer retention and overall market stability despite margin pressures.

Written by David Sampson for Mortgage118. Last updated 2 August 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Newcastle Building Society has reported a notable 9% increase in mortgage lending, reaching £623 million in the first half of 2026. This growth comes despite ongoing pressure on profit margins, highlighting the lender’s resilience in a challenging mortgage market.

How Has Newcastle BS Improved Customer Retention?

Newcastle Building Society has significantly enhanced its customer retention rates, retaining 80% of mortgage maturities in the first half of 2026, compared to just 64% in the same period last year. This improvement is important for maintaining a stable mortgage portfolio and indicates that borrowers are finding value in the society’s offerings, which may help mitigate the impact of rising interest rates and economic uncertainty.

What Are the Financial Highlights?

The mutual reported net core residential lending of £289 million for the six months ending June 30, a substantial increase from £156 million in the same timeframe last year. Total mortgage balances rose by £235 million to £5.9 billion. However, net interest income saw a decline from £51 million to £48.3 million, and the net interest margin decreased from 1.57% to 1.35%. This decline in margin reflects the competitive pressures within the mortgage market.

What Does This Mean for Borrowers and Landlords?

For borrowers, particularly those with residential mortgages, the increased retention rates and solid lending figures from Newcastle Building Society may signal a stable lending environment. However, the reduction in net interest income and margin suggests that lenders may be tightening their lending criteria or increasing rates to maintain profitability. Landlords with buy-to-let properties, which account for £353 million of Newcastle’s mortgage portfolio, should also be aware of the potential for higher borrowing costs as lenders navigate these pressures.

What Are the Future Projections for the Mortgage Market?

Newcastle Building Society is operating under a cautious outlook, anticipating a decline in UK house prices by 0.8% in 2026 and 1.8% in 2027, before a return to growth in 2028. This forecast suggests that borrowers and investors should prepare for a potentially challenging market ahead, with implications for property values and lending conditions. Keeping an eye on current mortgage rates will be essential for making informed decisions.

Frequently asked questions

What is the current state of mortgage lending in the UK?

The UK mortgage market is experiencing pressures on profit margins, but lenders like Newcastle Building Society are reporting growth in lending and improved customer retention.

How can borrowers prepare for potential changes in mortgage rates?

Borrowers should stay informed about current mortgage rates and consider locking in fixed-rate deals if they anticipate rising costs. Regularly reviewing mortgage rate comparisons can help in making informed decisions.

About David Sampson

David Sampson writes about the UK mortgage market for Mortgage118, covering specialist lending, market trends, and practical advice for borrowers. All content is reviewed for accuracy against FCA guidelines and current market data.

Newcastle BS Reports 9% Growth in Mortgage Market Lending | Mortgage118