Before going for a 'non-computer' set-up, it may be best to test things out with a computer before you buy such fancy equipment as Fire Sticks or pay for channel subscriptions, or VPN services. So try this first:
0) You have a TV and a broadband Internet connection (>2Mbps).
1) Put a Windows PC near the TV and hook it up (VGA/HDMI, audio, Internet/Wifi).
2) Check you can browse the Web and watch videos on it, e.g. YouTube.
3) Visit FilmOn- to ensure you have enough bandwidth to watch TV, e.g. BBC 1.
4) Subscribe/sign-up to FilmOn (the bog standard, free account).
5) Install the Kodi.tv 'media-centre' front-end - with a large font interface designed for remotely controlling the PC, e.g. via a wireless/USB keyboard/mouse/touchpad with the TV screen several feet away.
6) Install the FilmOn Kodi add-on (by adapting the instructions How to Install BBC iPlayer Video Add-On). There's also an ExpatTV Kodi add-on that uses FilmOn but presents just the basic 8 BBC/ITV channels.
7) Sign-in to the FilmOn add-on.
8) You should now be able to watch UK TV free, via your PC & broadband connection.
Depending upon your bandwidth you may get occasional pauses or stutters, which may be due to other uses of the Internet connection, but if they are absent or bearable, you can then consider more expensive, more compact equipment, with premium subscriptions, etc.
NB VPN or UK IP address work-arounds are not required for FilmOn, but are for iPlayer, etc. Apparently TunnelBear is a popular choice (free for low consumption).