Santander vs HSBC Mortgage — Which is Best in 2026?

Choosing between Santander and HSBC for your mortgage? Both are major UK lenders with competitive products. This guide compares their rates, eligibility criteria, fees, and who each lender suits best.

Key takeaways
  • Loan-to-value bands (95/90/85/80/75%) drive pricing — check the nearest band boundary
  • Start remortgage shopping up to 6 months before your fix ends — you can lock now and switch if rates fall
  • Compare total cost over the fixed period — rate plus fees, not headline rate alone

Read This Before You Apply

Timing your remortgage matters more than most borrowers realise. Most lenders let you lock a deal half a year ahead — if rates rise you're protected, and if they fall you can usually re-lock lower before completion.

Buying new-build changes the process: developer deadlines (typically a 28-day exchange requirement), incentives that lenders may deduct from the valuation, and the need for extended offer validity. Use a broker experienced with new-build timescales.

Decision in principle first, property search second. It's a soft-search estimate of your borrowing power that strengthens any offer you make, and it surfaces credit-file surprises while there's still time to fix them.

Santander vs HSBC: Head-to-Head

Lender2-Year Fix5-Year FixMax LTVFees
Santander4.47% (2yr)4.13% (5yr)Up to 95%No fee options
HSBC4.57% (2yr)4.18% (5yr)Up to 90%Fee-free available

Who Should Choose Santander?

  • Borrowers who want a well-known high-street lender
  • Those looking for 95% LTV mortgages
  • Existing Santander current account holders (may get preferential rates)
  • First-time buyers using government schemes

Who Should Choose HSBC?

  • Those with a larger deposit (20%+) seeking competitive rates
  • Borrowers who value an established reputation
  • Remortgage customers looking for fee-free products
  • Buy-to-let investors (check current BTL availability)

Our Verdict

The best lender between Santander and HSBC depends entirely on your circumstances: deposit size, property type, income structure, and whether you value rate or fee savings. The only way to know which is truly cheaper is to compare your specific mortgage using a whole-of-market broker who can access both.

Expert Tip: Don't limit your search to just two lenders. A whole-of-market broker compares 90+ lenders — they often find specialist lenders that beat both Santander and HSBC for specific situations.

Frequently Asked Questions

Can I get a mortgage with bad credit?

Yes, though your options narrow. Specialist lenders accept defaults and CCJs older than 12 months, typically at higher rates. Rebuilding your score for 6–12 months first often saves thousands.

Will applying for a mortgage hurt my credit score?

A decision in principle usually uses a soft check, which leaves no mark on your score. The full application is a hard check — so avoid multiple full applications in quick succession.

What is loan-to-income and how much can I borrow?

Lenders cap borrowing at 4.49x income for most applicants. Professionals and higher earners can reach 5–6x with certain lenders.

Can I overpay my mortgage?

Almost all fixed deals allow 10% overpayment per year without penalty. Even £100 a month can cut years off a 25-year term.

How much deposit do I need for Santander vs HSBC Mortgage — Which is Best in 2026??

The majority of lenders ask for at least 5–10% of the property price. Rates improve sharply once you pass 15–20% — the biggest pricing jumps happen at 90%, 85% and 75% loan-to-value.

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