In the US there are vendors of Chinese tools that sell a scaled down version of the Hossfeld bender. They sell for under $100. Here is the link.
https://www.harborfreight.com/compact-bender-38470.html
I assume similar benders are for sale in the UK.
To get an idea of the versatiliyof these benders check out the tutorials here:
Tutorials
What you are capable of doing on this type of bender is limited by the accessories you are willing to make and by your own imagination.