If you are registered with www.nextdoor.co.uk then you can click on the Help Map symbol which looks like this:
You will then see a map of your area with dots on.
For example here is the map for the area around the Age UK Somerset office in Taunton:
If you need help just click on a local dot and you will see people willing to help who you can contact, and what they are happy to do.
If you’d like to offer help you can add yourself as a helper.
For more information on how to use the map visit: https://help.nextdoor.com/s/article/Use-the-Help-Map-to-find-and-offer-help?language=en_US