Here is the full list of all 25 Landlord's Super achievements.
Retire before 1984
Skip the tutorial
Retire in a house worth at least 40k
Become permenantly afflicted from smoking
Roll a jackpot
Perfectly Satisfy a Yuppie tenant
Rent out a property with 3 floors
Go to Jail
Get banned from the pub
Sample every type of alcohol in the game
Pee on the bus stop
Rent out a property that is 25 squared metres or smaller
Get caught earning while claiming Job seekers allowance and invalidity benefits
Accumilate £100 from benefits
Purchase all items from the tool catalogue
Perfectly Satisfy a Grafter tenant
Climb ladders for 306 steps
Place a roof tile in the rain
Read 20 newspaper articles
Perfectly Satisfy a Lout tenant
Become obese
Mix perfect concrete, mortar & No-Fines
Complete 3 jobs around town
Lay a brick
Make £100 selling scrap