Get rid of the tree. It will be a source of constant maintenance and is very poorly placed, given what it has done to the sidewalk, the power lines, and the proximity to the house. This yard is too small for anything but small ornamental trees or shrubs. What direction does the house face and what planting zone are you in?

Remove the tree and post another photo here so we can help you move forward with more curb appeal for your cute cottage.

Is this a joke? Look at the sidewalk. Remove the tree. Power companies dislike trees planted beneath the cables.

As much as I hate the thought of removing a tree, all the above are right. It has to go. For new ideas

https://www.houzz.com/magazine/5-best-behaved-trees-to-grace-a-patio-stsetivw-vs~3798249

https://www.houzz.com/magazine/pretty-trees-for-patios-paths-and-other-tight-spots-stsetivw-vs~31743372