Just saw this.
I havent looked at the site in great detail but...
Sterling prices obviously fluctuate against the euro.
So it wouldnt be feasible to track one price against the other.
The market for extract product may be stronger over in UK etc etc
Also, I'd say the delivey is only free on UK mainland.
Im not sure whether they've premises over yonder or if its shipped from here...but
I dont think, in this example, there's a deliberate attempt to rip irish people off v UKish people.
The stuff you get in Ireland likely originates in UK any way so there is a cost incurred in shipping it here.
This example is contrary to other examples of companies operating in both countries. Usually they come over here from the UK and rip us off. Not talking homebrew here...supermarkets, clothing chains etc
In this case the company is originally an irish company operating in, lets face it, a very small limited (but hopefully growing) market.
The attempt was to increase their revenue by moving into the UK market.
Cant begrudge anyone that, we all have bills to pay.
PS: I've no allegiance/connection to said (or unsaid) company. Other than using them now n again to buy stuff off.