Where to buy extra long jeans for a slim 12 year old

[Sunflower6]

My daughter is slim and tall. I am really struggling to find jeans that are long enough but at the same time fit her on the waist etc. I've just bought some next skinny jeans age 15 which are just long enough for her. She also needs adjustable waist as she is slim.

i would try here, they are adjustable waist. i'm not sure about how long they are, but they have a size guide that you can look at to check. link

Primark do a size 4/6 that will probably fit - they fit my skinny but tall 9 yr old.. They also do them in different lengths.

I have a tall (5'11") very slim (27" waist) DS and a tall (5'7" and growing) slim (size 6-8) DD

I got most of his jeans in Tesco in the 28" and made him tuck his shirt in. Most recently got him longer length in H&M (needs a 34" leg)

DD likes Joni jeans from TopShop , more a jegging type than jeans .
She buys bits from PrettyLittleThings , she got some ripped boyfriends jeans there , much cheaper than TopShop.

H&M has some very skinny jeans in the woman section, i think waist goes as low as 24, so have a look in the Youth section of your H&M