We have no idea what looks decent to you.

We have no idea of your budget as BIFL footwear can be 200 to 10,000 quid.

You need goodyear welt construction boots as that is the hallmark of BIFL.

You are in luck as you live in one of the countries with many options. https://www.loake.com/ would likely be the affordable option with https://www.trickers.com/row/ being the step up. There are many steps up from those though.