If.... Filming Locations

Wallington is a town in the London Borough of Sutton, South London, England, 9.7 miles south-west of Charing Cross. Before the Municipal Borough of Beddington and Wallington merged into the London Borough of Sutton in Greater London in 1965, it was part of the county of Surrey.

Cheltenham is a town in Gloucestershire, England, home to the renowned Cheltenham Festival, 4 days of horse jump racing culminating in the Gold Cup, held annually in March at Cheltenham Racecourse. It's also known for Regency buildings, including the Pittville Pump Room, a remnant of Cheltenham’s past as a spa town. There's fine art at The Wilson museum, and the Victorian Everyman Theatre has an ornate auditorium.

Shepherd’s Bush is a busy, multicultural neighbourhood with a mix of houses and offices. Young professionals crowd the area’s cocktail bars, pubs, and live music venues like the O2 Shepherd’s Bush Empire. The enormous Westfield London mall is home to retail chains, luxury boutiques, and global restaurants. Colourful stalls in Shepherd’s Bush Market offer fresh produce, prepared food, and African fabrics.

Elstree is a large village in the Hertsmere borough of Hertfordshire, England. It is about 15 miles northwest of central London on the former A5 road, that follows the course of Watling Street. In 2011, its population was 5,110.