There is a mention here
https://www.british-genealogy.com/forum/threads/8049-Cost-of-Church-marriage-early-1800-s
A reply on that forum has put wages for comparison.
The basic cost of marriage appears to have been similar to a man's weekly wage.
Statutory fees for a wedding in an Anglican church in 2022, without extras, is around £500, so a similar expense as 200 years ago.
https://www.churchofengland.org/life-events/your-church-wedding/just-engaged/cost-church-weddingsChurch of England Parochial Fees 2022
Marriage: Publication of marriage banns £32; Certificate of banns, if required £16; Marriage service £480 (not including extras such as choir, bell-ringers &c.)
Funeral & burial: Fees vary. No fee for burial of a still-born infant or for a funeral service for a person under 18.
Baptism: No fee for a service of baptism. Cost of baptism certificate, if required £16.
A tax was levied on births, marriages and deaths for 2 periods in the 18th century. Paupers were exempt. C. of E. clergy were responsible for collecting the taxes.