Slow Horses builds its London from recognisable streets, working transport hubs and corners that a hurried visitor could easily miss. The familiar office frontage is a useful starting point, but the locations become more interesting when you see how they relate to one another. A short walk can move from Aldersgate Street’s traffic to a burial ground, a market or a modern housing estate. Television editing makes those changes feel immediate; travelling between them reveals the distances and different neighbourhoods behind the story.
Begin with the City and Barbican group if you have a morning or an afternoon. The Slough House frontage and separate St John Street rear setting sit within the same broad walking area. Bunhill Fields provides a quieter stop, while Leather Lane is best treated as a weekday market visit. Golden Lane Estate and Gresham Street add places from the later series. The Glasshouse guide explains a composite screen setting through a public City walk, rather than directing you to an invented single filming address.
King’s Cross and St Pancras work well together because the railway approaches, Granary Square and canal are close enough to visit in sequence. Cumberland Basin is a different stretch of Regent’s Canal, beyond Camden, and needs a longer walk or a separate journey. Check which canal stop you mean before setting off. The railway guide connects these station visits with the programme’s transport stories without claiming that an unverified platform is the one used in a particular scene.
Petticoat Lane belongs to the eastern side of the central London circuit. Its market streets offer a different rhythm from the office districts, with trading hours that matter if you want to see the area busy. Harlow and Castle Combe are separate trips outside London. Bush Fair supplies the real setting for Abbotsfield, while Castle Combe’s village streets stand in for Upshott. Neither destination should be squeezed into a walking route that starts in the City.
Evidence labels explain the strength and scope of each identification. Confirmed means an official or production source establishes the filming use; Reported identifies an attribution from an established publication. Composite describes a screen place made from several settings or a guide covering a network. Read the explanation alongside the label: confirmation of an exterior does not establish access to an interior, and a series-level credit does not automatically identify every episode.
Use the location map and equivalent text list to compare the guides, then choose one of the self-guided walking routes. Every full location page includes public viewing advice, station directions, access information and a refreshment suggestion. Walking times are approximate and exclude stops; the transport guide helps with rail connections and step-free planning.
City and Barbican
Confirmed
Slough House frontage
126 Aldersgate Street, Barbican · Barbican · 3 min
Confirmed
Slough House: St John Street rear exterior
St John Street, Smithfield, London · Farringdon · 6 min walk
Confirmed
Bunhill Fields: Blake’s grave in Slow Horses
Bunhill Fields, City Road and Bunhill Row, London · Old Street · 6 min walk
Confirmed
Leather Lane Market: Slow Horses filming location
Leather Lane, London EC1N · Farringdon · 5 min walk
Composite
The Glasshouse: a City skyline walk
Public streets around Bishopsgate and Leadenhall Street, City of London · Liverpool Street · 10 min walk to Leadenhall Street · area guide
Reported
Golden Lane Estate and Fann Street
Fann Street / Golden Lane, London EC1Y · Barbican · 5 min walk
Confirmed
Gresham Street: the Series 4 convoy ambush
Gresham Street, London EC2V · Moorgate · 8 min walk
King’s Cross, St Pancras and Regent’s Canal
Confirmed
St Pancras: Slow Horses filming location
St Pancras International, Euston Road, London N1C 4QP · King’s Cross St Pancras · 2 min walk
Confirmed
Granary Square: Slow Horses filming location
Granary Square, King’s Cross, London N1C 4AA · King’s Cross St Pancras · 8 min walk
Confirmed
Regent’s Canal: the Slow Horses meeting bench
Canal Side Walk, Cumberland Basin, London NW1 · Camden Town · 18 min walk
East London
Confirmed
Petticoat Lane: Slow Horses filming location
Middlesex Street and Wentworth Street, London E1 · Aldgate East · 4 min walk
Outside London
Confirmed
Castle Combe: Slow Horses filming location (Upshott)
Market Place, Castle Combe, Wiltshire · Chippenham · onward taxi about 15 min
Confirmed
Bush Fair: Abbotsfield in Slow Horses
Bush Fair neighbourhood centre, Tilegate Road, Harlow CM18 6PA · Harlow Town · onward bus or taxi; Bush Fair stop · 3 min walk
Railway network guide
Composite
London trains and stations in Slow Horses
A network guide: St Pancras, Liverpool Street and Farringdon · King’s Cross St Pancras · 3 min walk to main concourse · network guide
