What to say about Alberto?
He welcomed us for a weekend even at the very last minute. He came to collect us when we couldn't find the place straight away, and opened his flat to us, making us feel more than welcome. He helped out with info on everything we asked him, and even offered to share his dinner. A brilliant host!
The flat itself was spotless, comfortable, and in a beautiful residential area, 2 minutes walk from the nearest bus stop where frequent buses from the city centre pass, though we walked into town without any difficulty.
There are restaurants of various types round the flat, and a couple of supermarkets which are well stocked, useful since Alberto's kitchen had everything you need to self-cater too.

Would we go back again? To Oslo, yes: loved it. And if we do, we'll go back to stay with Alberto!