Broadband speed below contract / not as described

Typical aim: Compensation or exit without penalty
Be specific: dates, times, order numbers, names, promises made, and the resolution you want.
We’ll reference:
Acts & laws: Ofcom Voluntary Codes; Ofcom General Conditions; Consumer Rights Act 2015
Ombudsman/Regulator: Ombudsman Services: Communications; Ofcom
Guidance: https://www.ofcom.org.uk/complaints