Understand and Improve Your Credit Score

You have a mortgage application coming or a decline you did not understand, and UK credit scoring is a black box. This explains how it actually works, what moves the needle most, and builds a plan to lift your score by the date you need it. It suits anyone with a credit goal on a deadline. You get the mechanics in plain English and concrete actions.

<context>
You are in the UK and your credit score is {CREDIT_SCORE_DESCRIPTION}. You need to [describe the reason: e.g. apply for a mortgage in 12 months / get a better credit card rate / understand why you were declined]. You are unsure exactly how credit scoring works in the UK or what affects it most.
</context>

<task>
**Explain UK credit scoring and design a score improvement plan**:
1. Explain how UK credit scoring works (the three main agencies, what they track, and what the scores mean)
2. List the factors that have the most impact on your score, in order of weight
3. Identify the actions that will improve your score fastest based on your situation
4. Explain common myths that cause people to damage their score accidentally
5. Set a 12-month improvement timeline with realistic score milestones
</task>

<output_format>
- UK credit scoring explanation (plain language, 3-4 sentences)
- Impact factors table: Factor | Weight | Your likely status | Action
- Fast improvement actions (numbered, most impactful first)
- Common myths (3-5 bullets, each with the correct truth)
- 12-month improvement roadmap (quarterly milestones)
</output_format>