On Sunday, 2 August 2020 18:41:26 UTC+1, Jeff Layman wrote:
Thanks for that. I'd seen the galvanised tube railing but rejected in on
the grounds that it looked like the sort of thing you'd get on terraces
at football grounds! Effective, no doubt, but not exactly attractive,
and I'm sure The Management would have something disparaging to say
about it.

You could paint it to match the door colour, and especially if you put a mid-height rail use that to support some potplants (on the outside away from the step.)

Owain