We loved our stay at Louise's apartment. We stayed with our 2 boys aged 6 and 4, and we loved the space in the apartment, the location and being surrounded by all the water. The apartment is only 10 mins from the centre of Copenhagen by bus and 30 mins via the river bus. Our boys loved all the toys too!
Just one thing to be aware of though if you have a car - parking wardens patrol the area and will give you a ticket if you are parked illegally. We didn't realise we weren't allowed to park there so got a ticket. It didn't spoil our stay but just make sure you find out where you can park beforehand.