What is this??

What is this??

Observation - What is this?? - UK and Ireland. Description: I found half a dozen of these brown maggot type things in my toilet. Their bodies are about 1 inch long with a 1 inch long pointed hair like tail. They move by shortening and then elongating their bodies. Can anyone identify them, please?

I found half a dozen of these brown maggot type things in my toilet. Their bodies are about 1 inch long with a 1 inch long pointed hair like tail. They move by shortening and then elongating their bodies. Can anyone identify them, please?