[Arran]

  From what I can tell about other British Philco models from the same era, it likely used North American style tubes/valves, and since it was a Philco they used a lot of Loctals. Loctal tubes are those shorter cylindrical shaped tubes/valves with a metal base, and eight short pins, they were developed by Sylvania in the late 1930s and were fairly popular up until the early 1950s. This is a good thing if you need to replace any, tube designs were standardized fairly early on in North America, even if they used different bases most AC tubes used a filament voltage of 6.3 volts, some British valves not only used odd bases but odd voltages like 4 volts. On thing to keep an eye on is the rectifier tube, if it's a 6X5GT, usually it's not an issue but sometimes the manufacturers ignored the maximum specifications of that tube and ran it to it's limits.
  Your Philco has the typical styling of a British made wooden table set made in the late 1940s through mid 1950s, a fairly plain plywood box, mesh grille, and a white plastic escutcheon. Without the name "Philco" on the dial glass it could be mistaken for a Pye, a Murphy, an Ekco, or a wooden Bush radio from the same period. They all remind me of the speaker cabinets they used to use for public address systems in schools and hospitals.
Regards
Arran