What you are looking for is a handy man, you used to find them in the yellow pages, but try your favourite search provider?
My search came up with task rabbit uk as the first sponsored result...
Is it just me that gets triggered by these US companies which exist only to be an IT based middle man? Like mini cabs existed before Uber, but everyone acts like they never knew these things existed?
I usually just ask someone in the pub who has either had the work done or knows someone else who has. It's usually better to get someone in who you know has done a decent job.
Otherwise, a local Facebook group or Nextdoor should yield decent results.