Make Sense of Your Insurance Renewal So You Don't Pay More Than You Need To

I've just been sent my insurance renewal and I'd like help understanding it before I decide whether to accept, switch, or haggle. Please explain it to me in plain English — no jargon, no assumptions about what I already know.

Here are the details from my renewal:

- Type of insurance: [car / home / contents / pet / travel / life / other]
- Last year's premium: [£amount]
- This year's renewal premium: [£amount]
- Any changes I know about since last year (e.g. claims, address change, new car, added a person): [details, or 'nothing has changed']
- The bits of the document I find confusing: [paste the parts you don't understand, or 'all of it']
- What I currently get for my money — cover limits, excess, add-ons, if you can see them: [paste or summarise]
- My priorities this year: [e.g. lowest price / best cover / sticking with this provider / not having to switch]

Please do the following, in this order:

1. Translate any tricky terms (excess, voluntary excess, no-claims discount, indemnity, agreed value, etc.) into plain English so I know what they actually mean for me.
2. Tell me what's changed compared to last year, and whether the size of any increase looks normal or unusually high for this type of policy.
3. Flag anything in the new policy that looks like a quiet downgrade — lower cover, higher excess, removed add-ons — even if the price hasn't moved much.
4. List 5–8 specific questions I should ask the insurer before I renew, in the order I should ask them.
5. Suggest a short, polite script I can use if I want to phone up and try to get the price reduced.

Use British English throughout. Be specific and practical — pretend you're a knowledgeable friend explaining it across the kitchen table.