In a nutshell:
Well rented-out 1-bedroom apartment on the top floor of a historic building. Refurbished in 2005, with fitted kitchen. Wooden floors, comfortable ceiling height, shower bath, charming and cozy. Perfect investment with currently about 3,5% returns.
Further information on the net rental income:
New lease of 2015, graduated rent every two years (plus 20 €). Rented with fitted kitchen.