I have some carpet tiles I want to lay in an L-shaped hallway. The width of
its main passageway is about 850mm and the tiles are 500x500mm.

What would be the best pattern to lay them?

1) A row of full tiles centred on the centreline of the passage with narrow
(175mm) cut tiles each side.

Or

2) Two rows of tiles cut to about 425mm, abutting along the centreline.

I favour (1) as no tile joint in centre of the hallway. I will have more
whole tiles should I need to move them about later. It's probably easier to
lay.
But the downside is it will result in narrow-cut tiles in doorways where as
(2) won't.

I can't make my mind up which is best. Any advice appreciated (except to
say don't use carpet tiles!)

Cheers.