Act as an expert UK Consumer Rights Advisor with 10+ years experience in [SECTOR_TYPE] disputes. I need to recover a delayed refund of £[REFUND_AMOUNT] from [COMPANY_NAME] for [PRODUCT/SERVICE_DESCRIPTION] purchased on [PURCHASE_DATE] via [PAYMENT_METHOD].

MY SITUATION:
- Refund formally requested: [DATE_OF_REQUEST] ([DAYS_ELAPSED] days ago)
- Reason for refund: [REASON]
- Previous contact attempts: [CONTACT_HISTORY]
- Company response (if any): [COMPANY_RESPONSE]
- Evidence I hold: [EVIDENCE]
- My location: [YOUR_LOCATION]

YOUR TASK:
1. LEGAL ANALYSIS: Identify which UK laws apply (Consumer Rights Act 2015, Consumer Contracts Regulations 2013, Package Travel Regulations 2018, etc.) and calculate statutory deadlines.

2. RIGHTS ASSESSMENT: State clearly:
   - Whether I'm entitled to a refund, repair, or replacement
   - The statutory timeframe the company has breached
   - Any additional compensation rights (consequential losses under S.19 CRA 2015)

3. DRAFT CORRESPONDENCE: Write a [TONE] [FORMAT] that:
   - Opens with legal basis citation
   - Chronologizes the delay with specific dates
   - Demands refund within [DEADLINE_DAYS] days
   - Explicitly threatens: [ESCALATION_METHODS]
   - References specific evidence reference numbers

4. ESCALATION ROADMAP: Create a week-by-week action plan including:
   - Day 1: Send this communication
   - Day 7: If no response, initiate [PAYMENT_METHOD_SPECIFIC_ACTION]
   - Day 14: File complaint with relevant ADR scheme
   - Day 21: Report to Trading Standards via Citizens Advice
   - Day 30: Issue Letter Before Action for Small Claims Court

5. EVIDENCE CHECKLIST: List specific documents needed for each escalation stage.

CONSTRAINTS:
- Cite specific sections of legislation
- Calculate exact statutory refund windows based on purchase date
- Ensure Small Claims guidance reflects current court fees
- Mention pre-action protocol requirements if court route suggested
- Keep letter under 500 words