We’ve stayed here a few times when flying the following day. The hotel is attached to the airport South Terminal, but is quite a walk from there. There used to be a direct tunnel between the terminal and hotel but we couldn’t find it this time – I think the terminal re-design means that tunnel has gone. We had to cross into the car park and then down one floor to get to the remainder of the tunnel.

I have a Hilton Gold Card and so check in has always been okay. I’ve seen queues for regular customers.
The hotel is huge and the best rooms are in an extension to the hotel. So it can take 10 minutes to walk from reception to your room. The executive rooms that I have stayed in have always been good quality. There was one time when a flight was cancelled until the next day and we were provided a room at the airlines expense. That room was pretty dingy and so I guess they save those for people bumped from flights.

The executive lounge, in common with most Hilton properties, offers free drinks and snack food. The food in this lounge was worse than other Hiltons I’ve stayed in. Breakfast in the Exec Lounge was a disappointing continental version whereas the Birmingham Hilton provides a full English.

The lobby bar service was, despite sitting at the bar itself, so slow that after 10 minutes we went to the bar downstairs. The lobby bar had three staff doing almost nothing and the bar downstairs had one guy doing a good job serving quite a number of customers. Drinks are expensive.

If you don’t have access to the lounge and don’t want to pay a fortune for breakfast, there is a McDonalds across the open car park where I guess you could get an inexpensive breakfast.

The hotel doesn’t include UK VAT in the prices shown on the Hilton website, so expect to pay 20% more.
If you only need to stay somewhere for a few hours then consider the Yotel in the South Terminal.