For those who don't have their own Darkroom, check out www.galleryofphotography.ie in Dublin.
Yearly membership is only €40 and you can hire the darkroom for €15 for three hours (€10 for students).
Chemicals are provided and they cater for 35mm up to 5x4.
I have used it in the past and it is an excellent facility. They also have a large range of photography books on sale at discounts to members.