Item not delivered or late delivery

Typical aim: Refund or delivery
Be specific: dates, times, order numbers, names, promises made, and the resolution you want.
We’ll reference:
Acts & laws: Consumer Rights Act 2015 (s.28 delivery); Consumer Contracts Regulations 2013
Ombudsman/Regulator: Trading Standards (via local authority)
Guidance: https://www.gov.uk/consumer-protection-rights