Why did UK mortgage rates rise above 5% now?

Rates jumped because swap and gilt yields increased after oil prices rose on Middle East tensions. Lenders hedge fixed loans with swaps, so higher hedging costs feed directly into pricing. Markets also reduced the odds of quick Bank of England cuts, keeping borrowing costs elevated and prompting banks to reprice or temporarily withdraw products.

Should I lock a mortgage rate today or wait?

If you have a property agreed, consider locking a rate to protect against further increases, but keep an eye on fees and early repayment charges. Many offers can be refreshed if pricing improves before completion. If you are still searching, secure an Agreement in Principle and track daily lender updates.

Are trackers better than fixed rates in this environment?

Trackers can benefit if the Bank of England cuts rates sooner than markets expect, and some come with low or no early repayment charges. The risk is that rates stay high longer, lifting payments. Fixes provide payment certainty but may cost more today. Choose based on your budget flexibility and time horizon.

What indicators should I watch to gauge future mortgage rates?

Focus on UK CPI, wage growth, and gilt yields, plus sterling swaps across two to five years, since those drive fixed deals. Oil prices and geopolitical headlines also matter for inflation expectations. Changes in market‑implied Bank of England cuts often lead lenders to adjust pricing and product availability.

Global Market Insights

UK Mortgage Rates March 12: Average Tops 5% as 500 Deals Pulled

ByDanny Kontos March 12, 2026March 12, 2026

Mortgage rates in the UK moved higher on 12 March, with the average two‑year fixed hitting 5.01% as nearly 500 UK mortgage deals disappeared within 48 hours. Major lenders, including HSBC, Halifax and Barclays, repriced to reflect rising swap rates and gilt yields after oil gains tied to Middle East tensions. Markets also cut the odds of near‑term rate cuts, keeping borrowing costs elevated. We explain what changed, why it happened, and practical steps buyers and remortgagers can take now.