Okay well im not sure where 'reasonably priced' falls for you but i will tell you all i know!
My sister goes to UEA and you get nice halls for a cheap price there but its so much more expensive at sussex.
east slope is the cheapest at about 3,120 a year. Its pretty dingy and humble but good if you want to save money, i wanted to stay here but i am put off because it has a reputation as being a place where its not easy to study at night and there is lots of partying and mayhem. In the words of somone else's post i read " it just depends as to weather you want to live in the party or go home"
anyway,
park village- 3,490 a year
park houses- 3,818 a year
did not see those. probably a bit nicer and a bit quiter.
lewes court phase 1- 4,149 a year and very nice! there is a video on youtube you will find helpfull if you type it in.
Brighthelm is 4.301 a year, i did not see but i think its much the same as phase 1 but with washing machines.
those are all the non en suite ones.
if you really want a bathroom then i would reccomed lewes court phase 2- it is 4,726 a year and really really nice. this is almost the cheapest of the en suite room, bar stamner court at 4,641 a year which is across from the university or somthing making it less desirable.
above that is northfield and swanborough at 4,878 a year, i did not see northfield but i saw swanbourough and personally despite its muched bigger price tage and more modern desighn that lewes court phase 2 i think that phase 2 is actually much nicer and more homely.