CTM Potters Supplies, on its own published figures
CTM publishes something rarer than a shop front: a whole price list on one page, body by body, with a column for every bag quantity from one bag to twelve, and a line at the top telling you in the company's own words that delivery and VAT are to be added. It is the least polished page in this index and the easiest to compare from.
Verified facts on CTM Potters Supplies
| What | Figure | The supplier's own words | Source |
|---|---|---|---|
| Clay price, per kilogram ex VAT | £1.03/kg | "VC6 Stoneware B17C Grey / White - MATURES at 1220oC 1120-1280oC 3 £12.87" | CTM Potters Supplies clay price list, Stoneware B17C (the list's first price column is headed '12.5 kg 1 Bag'; VAT and delivery are added, as the page states; £12.87 ÷ 12.5 kg) checked September 2026 |
| Top of the firing range for the priced body | 1,280 C | "VC6 Stoneware B17C Grey / White - MATURES at 1220oC 1120-1280oC" | CTM Potters Supplies clay price list, firing range printed in the row checked September 2026 |
CTM Potters Supplies materials, evidenced
CTM Potters Supplies maintains its own live pages for the 2 material classes this index tracks; each is linked below and answered on the date shown.
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Reading the table
The first price column is headed '12.5 kg 1 Bag', so the figure in it is the price of one standard bag and every column after it is a multiple. Stoneware B17C, a Valentines body rather than the Potclays one priced elsewhere here, is listed at £12.87 for that bag, which is £1.03 a kilogram before VAT.
Because the list is one page, it is the fastest way in this market to see how a supplier prices a whole class rather than one product: earthenware and terracotta bodies sit above the stoneware at £9.07 for a standard red, and the raku bodies sit well above both.
What 'plus VAT and delivery' actually costs
A price list that excludes VAT is comparing itself against trade prices, and a hobby buyer should add twenty per cent before comparing it with a retail figure that includes tax. This index runs every column excluding VAT for that reason.
CTM does not take payment online and says so on the page: orders go by email or telephone. That is a real difference from the other suppliers here and worth knowing before you build a basket.