My girlfriend and I stayed here for 4 nights during Nov for a very reasonable £200.

Travelocity rate it as a "superior 4 Star hotel distinguished with a high level of service and hospitality, as well as a wide variety of amenities and upscale facilities".

Apartotel Beta Albufera is not an hotel. It is an apartment block outside Valencia (30 min bus ride) in the middle of a 'Lakeside' commercial district.

The rooms are simple self-contained apartments. Decent enough bathroom shower. The tiny double bed was rock hard. The kitchen unit came complete with a single glass but no cutlery.

The "excellent restaurant facilities" were nothing of the sort. There was some sort of ridiculous self-service breakfast where you laid your own table and could choose from salami or a cold miniature croissant.

Our 'landscaped grounds' consisted of a McDonald's and a furniture shop. I felt that the staff tried to be helpful (they let me use their office to check the internet) but that they might have been a little slow - the taxi we asked them to book us for the airport arrived 35 mins late!

Taxi's from the city centre to the "hotel" cost about 14 euros.
I urge you to book early and find a proper hotel near the city centre.

Hire a bike and cycle around Valencia for a day. No one eats before 12pm which can be difficult to get used to in a short visit. (Restaurants don't really open before 9pm).

Valencia has its charms, but they are few and far between. I don't think Nov is a good time to visit.

I'd recommend Barcelona over Valencia.