My existing tenants gave me the forms just last week, while I'm happy to go along with it, what about if I decide to raise the rent, is it rent stuck in stone once you've signed up? I only ask I did a rent review last December, it's still @€200 below market value, even after raising it by €80 per month. Appreciate I won't be doing another rent review for 2 years, but just checking, are there are any other disadvantages to doing this? Tenants have been there for the past 5 years, happy enough, getting rent allowance and paying that + extra into my bank account.