Stationery Shop › Smoke Detector and Carbon Monoxide Letter Image 1 of 1 Smoke Detector and Carbon Monoxide Letter £15.00 Letter for agents to send to landlords about the Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022. Add To Cart Added! Letter for agents to send to landlords about the Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022. You Might Also Like Addendum for Variation or Novation of a contract £39.00 Fee Schedule CRA 2015 (Tenant Fees Act 2019) £0.00 Section 48 Notice – Landlord’s Address for Service £20.00 Pet Policy £39.00 Section 3 Notice – Change of Landlord £20.00