My aunt died two years ago. I know she made a will at an attorney in Yeovil Somerset. I helped her draft the initial copy...

a foster son created problems for my sister who was the executor, and so my aunt changed to a person who was not impartial. When my Aunt died, we the blood relatives of my aunt were told there was no will as all was left to the foster son.  I dont believe this. How can I find out if there was a will?