Short answer
Which is cheaper?
For a £20,000 fund-style ISA, Moneybox models at £102/year and J.P. Morgan Personal Investing at £150/year. At £100,000, Moneybox models at £462/year and J.P. Morgan at £750/year.
- Fee winner
- Moneybox is cheaper in the recurring wrapper-fee model.
- Service difference
- J.P. Morgan is modelled as managed portfolios, not self-directed dealing.
- Promotions
- Temporary fee holidays and cashback are excluded because they distort recurring costs.
Fee model
Platform, dealing and FX fees
| Fee area | J.P. Morgan Personal Investing | Moneybox |
|---|---|---|
| Platform/account fee | Managed styles at 0.75% on the first £100,000 and 0.35% above that. | £1/month plus 0.45% a year on investments. |
| Dealing fee | No self-directed dealing fee in the managed model. | £0 commission in the model. |
| FX fee | No direct US-share dealing in the model. | 0.45% for US-stock trades. |
| Investment range | Managed portfolios using ETFs; no individual share dealing. | Tracker funds, ETFs, and individual US stocks. |
| Flexible ISA | No | No |
Worked examples
Calculator-backed scenarios
- £20,000 fund-style ISA, no FX: J.P. Morgan Personal Investing £150; Moneybox £102.
- £100,000 fund-style ISA, no FX: J.P. Morgan Personal Investing £750; Moneybox £462.
- £150,000 fund-style ISA, no FX: J.P. Morgan Personal Investing £925; Moneybox £687.
These examples use the same fee assumptions as the main ISA fees calculator. They exclude fund ongoing charges, ETF costs, market spread, investment performance, and temporary promotions.
Important caveats
Before switching provider
Provider fees can change, and terms can vary by product, plan, transfer route, cash interest policy, and promotion. Verify the provider's current terms before opening or transferring an ISA.
This page is factual educational content, not personal financial advice or a recommendation to buy, sell, transfer, or choose a specific investment platform.
FAQ
Common questions
Is Moneybox or J.P. Morgan Personal Investing cheaper for a £20,000 ISA?
For a £20,000 fund-style ISA with no FX, Moneybox models at £102/year and J.P. Morgan Personal Investing at £150/year in the calculator.
Does J.P. Morgan Personal Investing offer self-directed share dealing?
J.P. Morgan Personal Investing is modelled as a managed portfolio service using ETFs. It does not offer individual share dealing in this model.
Are promotions and fee holidays included in this comparison?
Temporary fee holidays and cashback are excluded because they distort recurring cost comparisons. Always verify the current terms directly with the provider.
Sources