Find it at "Endowment mortgage complaints" through the consumer section of its website (see link on right).

BBC: NEWS | Business | Ask the expert special: Endowments

An endowment mortgage is a monthly savings plan, usually invested in shares and property, which was designed to pay off the home loan at the end of the term.

BBC: Interest-only mortgage shortfall 'big problem' for NI

It involves comparing the interest and premiums you have actually paid on your endowment mortgage with the interest and capital repayments you would have paid on an equivalent repayment mortgage.

BBC: NEWS | Business | Ask the expert special: Endowments