On 10/05/2021 11:01, me wrote:
On Monday, May 10, 2021 at 10:59:14 AM UTC+1, me wrote: It's a standard stair handrail, oval in cross section, 7x5 cm, wood. Don't really know what more to add.
Oh I should have said the wall is a party wall so I can't do anything too heavy like knocking out bricks and so on.

At last. Its an internal. wall and probably plastered.
What's wrong with a nice wooden support under it shaped to it.
Or even a whole post ...?
Looking at 'oval' handrails all have a flat base to that bracket WILL fit



--
New Socialism consists essentially in being seen to have your heart in
the right place whilst your head is in the clouds and your hand is in
someone else's pocket.