Hello Jemima,
I got the will from Gloucester Archives for £9.
I wrote to them using the following information.

Will of Elizabeth Tyler of Shortstanding
Collection Vizard and Son of Monmouth, solicitors
Section Testamentary and Trusts
FindingRef D637/ IV/ 8
Title Miscellaneous wills and copy wills
Date 1614-1872
Good luck.
D