Compare a Cash ISA With a Regular Savings Account

You've got money to save and two options that look identical until you read the small print. This compares cash ISAs and ordinary savings accounts on the things that matter: tax treatment, how fast you can get your money, and whether ISAs actually pay better. For savers deciding where to put a lump sum without a finance degree.

<context>
You have some money to save and are trying to decide whether to use a cash ISA or an ordinary savings account. You want a clear comparison without financial jargon.
</context>

<task>
Compare cash ISAs and regular savings accounts across these dimensions:
1. Tax treatment: when and why the ISA wrapper makes a difference
2. Access: how quickly you can withdraw from each type
3. Interest rates: whether ISAs tend to pay more or less than standard accounts
4. Annual allowance: the ISA limit and what happens if you exceed it
5. Who benefits most from each option
</task>

<output_format>
- Comparison table: 5 rows, cash ISA vs regular savings
- Plain-English verdict: 2-3 sentences on who should choose which
- Length: 280-350 words
- Tone: neutral and informative
</output_format>