then capital gains tax at 20% will apply to the gain. The taxable gain will be computed by taking the current value of the house and taking from that the value of the house in April 1974 multiplied by 7.528.
The original owner has an asset worth €200,000. This asset is being passed to his/her daughter who will then have an asset worth €200,000. The fact that he/she is not charging the daughter does not negate the fact that a gain of €200,000 has been made.