ISA Costcustody plus dealing, not the headline rate

iWeb: what the ISA actually costs

iWeb is not the cheapest at any pot size on this site. That is not a verdict on the platform — only on its published charges against the others', at 12 trades a year.

Shares and etfs

PotA year% of potRank
£1,000£60.006.00%5 of 12
£2,000£60.003.00%5 of 12
£5,000£60.001.20%5 of 12
£10,000£60.000.60%5 of 12
£20,000£60.000.30%5 of 12
£30,000£60.000.20%5 of 12
£50,000£60.000.12%5 of 12
£75,000£60.000.08%5 of 12
£100,000£60.000.06%5 of 12
£150,000£60.000.04%5 of 12
£200,000£60.000.03%5 of 12
£250,000£60.000.02%5 of 12
£500,000£60.000.01%5 of 12

Funds

PotA year% of potRank
£1,000£60.006.00%6 of 9
£2,000£60.003.00%6 of 9
£5,000£60.001.20%6 of 9
£10,000£60.000.60%6 of 9
£20,000£60.000.30%4 of 9
£30,000£60.000.20%4 of 9
£50,000£60.000.12%3 of 9
£75,000£60.000.08%3 of 9
£100,000£60.000.06%3 of 9
£150,000£60.000.04%3 of 9
£200,000£60.000.03%3 of 9
£250,000£60.000.02%3 of 9
£500,000£60.000.01%3 of 7

Every figure assumes 12 trades a year of £1,000 each, inside a stocks and shares ISA. It excludes Stamp duty at 0.5% on UK share purchases, the £1 PTM levy on orders over £10,000, fund manager charges (the OCF), and any foreign-exchange fee — every one of those is charged by someone other than the platform and is the same wherever you hold the money.

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What iWeb publishes, word for word

Platform fee£0 — no annual charge on the dealing account or ISA; SIPP 0.25% capped at £16.50/month
Uk share dealing£5 per trade
Fund dealing£5 per trade
Fx fee1.5%

Where this platform wins

Charges read 18 August 2026 from iWeb's own pricing page. iWeb has been migrated to Scottish Widows Share Dealing — the old iweb-sharedealing.co.uk charges page now redirects there. Cheap to hold, expensive to convert currency: the 1.5% FX fee is the highest in this table.

Charges read 19 August 2026 from each platform's own pricing page. Platforms reprice with little notice, and nothing here is advice — it is arithmetic on published charges.