Essex and Wales collide when Gavin and Stacey fall in love, taking friends, family and luggage with them. Apart from the London scenes of the first episode, the entire series was filmed in Wales, including scenes from the film. Essex. The house used by the Shipmans' The (Gavin family) house is in Dinas Powys, a village 1 mile north-west of Bury where the Westies (Stacey’s family) live. In Series 3, both Breen’s and Gavin’s cars have completely different license plates than in the previous series. Gavin’s blue Saxo has changed from T-reg (MY 1999) to X-reg (MY 2000). Breen’s green Picasso has changed from CV02 (MY 2002, registered Cardiff) to HV54 (MY 2004, registered Portsmouth). They are clearly different cars. Introducing Gavin & amp; Stacey: Outtakes (2007). Hosted by Stephen Fretwell Presented by Stephen Fretwell. I have to say that I don’t quite understand the previous reviewer as I think they are on another planet and I felt compelled to clarify the post. Gavin & Stacey is one of the best sitcoms I’ve seen in years. It has a great Cast and a brilliantly written script from Ruth Jones and James Cordon. The show follows Gavin (a boy from Essex) and Stacey (a receptionist from Barry Island) who begin their relationship on the phone while at work. The reviews of the series have been so good that a second series has already been ordered.