Historical version 3 of Category Charity Shops (view current version)
The largest concentration of charity shops in Oxford is in Headington: see this list. Other places to find them include Botley, Cowley Road, Summertown and Templars Square.
Cancer Research UK in Headington and Helen & Douglas House on Cowley Road will accept small electrical items; Emmaus in Marston will collect and sell furniture and large electrical goods; while Sue Ryder in Botley will take clothes which aren't worth selling and use them for rags.