what next

i have been thinking of posibal subject for me to look at one is to look at inner city playgrounds in the local area i would like these to be very empty images with out people in the shot another is to look at this marsh land in Blackpool and document it over a period of time. A perticly eastate in blackpool or a tower bloc for these i would like to get axcess into peoples houses. all this i want to shot on meduim format at lest and if i can afford it then i will shoot 5,4. so now i think i want to get my final idea and then wright a statment on what i entend to do then look for locations wich i think will help chose my final work