Mortgages Merthyr Tydfil, Cardiff - Welcome to the Merthyr Tydfil Mortgages Directory listing recommended mortgage brokers in Merthyr Tydfil. It lists those who offer mortgage advice and mortgages in Merthyr Tydfil, Cardiff. Do you have a Merthyr Tydfil mortgage business? If so, why not advertise it on the Merthyr Tydfil Business Directory - IT'S FREE.