Comprises bound record books and loose material including:
- Historical account of the church by Reverend John Lewis, 1856
- Baptism and burial registers
- Correspondence relating to various matters including fundraising events
- Committee minutes
- Accounts, balance sheets, receipts and vouchers, cash and bank pass books
- Roll of members, names and numbers
- Photographs of ministers and officials
- Obituary notices of Sir John Edward Lloyd (1861-1947) and Rev. H. Oliver Evans
- Accounts of the Ladies Church Social (formerly Ladies Working Society), 1914-72
- Miscellaneous printed items including annual reports