Hi all, I did a bit more digging around. LW2 is the Australian designation for the Focus, a lot of English websites just nominate the Focus as an MK3.
So I found a British Ford Focus forum that gave me a how-to.
https://www.fordownersclub.com/tutor...all-focus-mk3/
Note that it utilises the same method as described by stefcio007 (thanks) but with a little more detail.
The parts that Stefcio007 described in his post can be substituted for the following:
https://www.jaycar.com.au/double-min...e-tap/p/SF5125
https://www.jaycar.com.au/standard-d...older/p/SZ2040
https://www.jaycar.com.au/under-dash...ocket/p/PS2016
OR
https://www.jaycar.com.au/twin-usb-p...-3-1a/p/MP3616
OR
https://www.jaycar.com.au/twin-usb-p...-3-1a/p/MP3618