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For it to be Hue compatible you need zigbee which the majority aren't (tend to be RF or wi-fi).
The only option I found was replacing the switch with one of these https://www.amazon.co.uk/Zigbee-Dimmer-Switch-Compatible-Echo/dp/B07XJRBJXT and then using a Samotech face plate like this https://www.amazon.co.uk/Samotech%C2%AE-Light-Switch-Philips-Dimmer/dp/B07D5KJ4B6/ with a Hue switch.
It's an option I looked at recently for smart dimmers but then got mired in having to replace LED drivers and never did anything.
If you just want cheap and no extra hub then by all accounts Sonoff is the best option but I've never tried them myself.
That sort of thing (but without another hub ideally.) - but put simply it isn't a £100 problem to solve - so wondered if people had had experiences with the cheaper options!
there seems to be a glut of cheap options on Amazon now which didn't exist last time I looked - hence asking! To be honest, as long as google can handle it - it'll do the job.