Not Going Out delivered in a deadpan manner. This is the comedy style Lee Mack and Tim Vine have used both in stand-up and in "The Sketch Show", to the extent that an occasional one-liner from their solo performances is slipped in. This is mostly one sided with Kate/Lucy typically being the victims of the joke. Sight gags are also frequently used, while gags and witticisms are incorporated into almost every line of script. For the first series, episodes were written by Mack and Andrew Collins, with members of the cast credited for additional material. Because the eight episodes of the second season
Not Going Out had to be written and filmed in a short space of time, Avalon Television brought in Nick Stacey, Paul Kerensa and Simon Evans to join the writing team. Mack, Collins and Stacey concentrated on writing the main body of the episodes whilst Kerensa and Evans were involved in storylining, rewriting and 'gagging up' the episodes. The third series saw the writing team expanded, with Darin Henry, Daniel Peak and Simon Dean contributing to the main episodes (all co-written with Mack); the "gag writing" team was also expanded, from two members to as many as eight, not counting the main writers,