FWIW as the owner of a 2017 Boardman Team Carbon..
On the up-side the brand seems to have a lot of onboard expertise, so their bikes are usually very capable / competent and great in terms of ergonomics / functionality / following contempory trends (whether this is a good or bad thing depends on the trend in question and your perspective).
They seem to be good at offering excellent value, although sometimes it's pretty obvious where corners have been cut (for example the Tiagra groupset on my bike was diluted by crappy, cheapo Tektro brakes - criminally so IMO) and a budget FSA crankset.
On the down-side they're now (IIRC) fully-owned by
Halfords (so beholdent to those who prioritise profit over the love the cycling) and also assembled mostly, if not exclusively by 13-yr old chimps (especially bad when you're talking carbon-fibre bikes that need some respect during assembly to avoid wrecking the frame).
They're good if you're on a budget and don't care about big-brand kudos. Other than the component niggles above I can't fault my Team Carbon from a rider's perspective.. however I've hardly used it recently due to composite-failure-paranoia (legit but amplified by my brain's addiction to mainlining anxiety) and the fact that my (steel) gravel bike is both more versatile and relaxed.
I think were I in the OP's position I'd be looking at used steel (namely a Croix de Fer), however if you must go new (as I appreciate can make noobs more comfortable) the Boardmans are hard to beat for value and competence tbh