Historically it was a very popular hotel due to it being one of very few located on, or very close to, Walking Street. In recent years its popularity has waned due to rooms looking out dated and the arrival of several new low cost hotels and guesthouses in the vicinity.
It would be true to say they have made a good effort in the last couple of years to modernise and improve the rooms. You can see samples of these improvements in the slideshow below.
One plus point is that it also offers rooms on a short term basis.
Other recommended hotels in the area can be viewed on the page linked below.
Green View Hotel media and contacts
Website : http://www.thegreenviewpattaya.com/ (not up todate)
Facebook : none