The chairman of the Treasury Committee has written to financial regulators about Bank of Ireland's plan to raise customers' mortgage tracker rates.

BBC: Bank of Ireland: Andrew Tyrie writes to FSA over rate rise

"Borrowers now need a 25% deposit to access virtually all its fixed and tracker products, " said Aaron Strutt of mortgage brokers Chase de Vere.

BBC: Mortgage lending slumps says Bank

The basis of any mortgage, whether you opt for a fixed, variable or tracker rate, is how you intend to repay the loan.

BBC: Mortgages explained for first-time buyers