I've looked at thus sort of thing before for a similar purpose, but didn't get in the end as wasn't sure of battery life (excuse the Bezos link): https://amzn.eu/d/g1fUILu
Thanks for this! Would certainly do the job, but ideally i think we're looking for something a bit more like a normal light fitting if possible. Aware we may just need to spring for the electrician but worth an ask...
I've looked at thus sort of thing before for a similar purpose, but didn't get in the end as wasn't sure of battery life (excuse the Bezos link): https://amzn.eu/d/g1fUILu