need some tips ladies

St

i dyed my hair about a month ago well first i stripped it as i wanted to be natural colour but didnt work out as i thought it would so anyway i put medium brown on my hair but it went like black so now it doesnt match my hair extensions. anyway am getting sick of the brown/black hair. summer is on it way and i want red hair but i do NOT want to bleach my hair. any tips what i can do to get my hair to be bright red. oh and am in the uk as in the usa they got different stuff then uk. any tips girls i would be happy thank you