Are you willing/able to remove some of the brick?

Definitely would remove all of the concrete and brick.

Yes! we’re willing to remove all brick & concrete and redo/replace if needed or wanted

Forgot to add that new siding will be white with black accent trim

Start by figuring out the most practical places for your outdoor living room, kitchen and dining room. Consider where you will have better privacy from your neighbours, and which spaces should be closer to the house or closer to the spa area. Where will you put your utility area to store garbage and recycling bins?

I wouldn't be so quick to remove the brick and concrete. It's zero maintenance, and a practical flat surface to place furniture, so leave it for your "rooms". It's also lots of fun for a tricycle or scooter if you have children, and practical for a utility area, and for rolling the bins to the street. If you dig it up, the ground underneath will be compacted and very difficult to plant in. Plus it would be expensive to remove and replace it.

Have a look at the attached. Some of these are mostly paved, and look great. https://www.hgtv.com/design/design-blog/outdoors/10-fave-no-grass-backyards 

Your space is pretty unattractive now with a mish mash of colours and finishes, and no furniture. It will look much better if you stick to a unified colour scheme, including the house and garage colours. Do you already have outdoor furniture whose colour needs to be considered? Add outdoor rugs in the same colour to define your outdoor living and dining areas, the same way you'd do it indoors. Looks to me like all the fences could use a coat of paint or stain. The galvanized planters can be painted. You could add something like a gazebo or overhead awning, to give you privacy from the neighbours' upstairs windows, without waiting for a tree to grow. Any of those things would be a better use of your budget vs digging up the paving. https://fleamarketgardening.org/2016/03/19/garden-color-painting-galvanized-tubs/

https://www.bobvila.com/slideshow/10-ways-to-dress-up-a-drab-concrete-patio-580575

Such great ideas here! Thanks!

Let’s think about your house color. Unless your heart us set on white ypu could consider a color to integrate the house to the garden sage green always ties to the earth or a greyed terra cotta

Here are some ideas:

Oh wow! this is fabulous!!!! Love the arbor over the garage door.