Anyone know pf a good shop to buy thread in London?

[natwod]

I live in London and I am looking for a shop that sells a good range of different types of threads. Can anyone help me?

[Seahorse]

I can think of 2 places that sell jewellery making goods, One is Beak St(the road at the bottom of Carnaby st) and the other is Tower st.Worth looking into, sorry I cant be more specific.