This Q&A considers the requirements in order to serve a valid section 21 notice pursuant to the Housing Act 1988 in circumstances where a six-month fixed term tenancy commenced in 2013 and, thereafter, became a statutory periodic tenancy. The requirements necessary to be complied with when serving a section 21 notice upon a tenant were made significantly more onerous by the commencement of the Deregulation Act 2015 (DA 2015) and the Assured Shorthold Tenancy Notices and Prescribed Requirements (England) Regulations 2015, SI 2015/1646. In particular, DA 2015 provides that, in respect of a tenancy which commenced on or after 1 October 2015 (including renewals), the landlord must serve the tenant with an energy performance certificate and gas safety certificate prior to the tenancy commencing. At first blush, it would seem as though