That doesn't seem likely. I live in Dublin, and the median household income for a first time buyer is approximately 90k in euros.
I'm surprised that this is possible in London.
On £55k you can afford to borrow £247.5k.
£247.5k + 10% deposit and you are looking at £272k properties.
Check sold house prices in London and you’ll find plenty under £272k.
Possible in London which is one of the most expensive cities in the world.
Honestly though, apartments anywhere near the city in Dublin are still way out of reach for a person on your wage, even if the rules changed to 4.5.