i would ask in carpentry and joinery, not really a decorators job.

The best way is to ask a floor layer /carpenter get the work done instead of a painter, this is because they are specifically qualified for that job.
To lay 28 square meters in a herringbone pattern you need 10-15% of the wastage. The price is about two times more expensive than laying a long length of engineering wood. It takes double the time (3-4 days) in comparison to getting engineer wood (which can take a day or two to say the maximum) .
To lay engiengineering wood, you would need about 5-7% wastage of wood.
This is all based on a proffesional point of view!

Speak to a flooring co or carpenter or do a bit of research yourself from a supplier

This isn’t a decorating question so little point in asking a decorator

Hello

First of all you need to add 20% extra for wastage before ordering the flooing and the quote price base on the total sq m
Some flooring contractors they add it and confirm price and some of them they don't

Engineered wood is nice I have Engineered wood i give it a Light sand down every four years i have it for about 17 years use Morels vanish when it’s done it looks good