It would help me if you included several photographs of the existing house.

Your house looks smothered in shrubbery, while lacking other plant forms. But the pictures are not the view that help it be understood. Better to line the camera up with the front door, back far enough that some lawn and just a LITTLE sky can be seen. Pan from far left to far right (where neighbor's houses show in background) taking a series of slightly overlapping pictures. Then back up and take a picture, from straight on, where your whole front yard shows in the single picture.

You have a really nice home and yard; wouldn't change it too much. Like the color of your brick. Like the soffit and fascia color you have but if you want a change, you could go a shade darker. Yard looks pretty good as is. Be careful not to crowd it. If you're in Planting Zone7, you might consider adding a long row of liriope (or something similar) alongside your garage and have it continue alongside your driveway all the way to the road. https://www.pinterest.com/pin/778982066770260289/ Is that a birdbath? Cannot tell if there is any window from which it can be seen as is; if not, you might move it to where it can be seen thru the window from the living room of the house. Would change the white lamp post in the front yard. The house number plaque on your house looks fine -- leave it -- but do add another at the beginning of your driveway. Perhaps combine the new lamp post and the new house number. https://www.pinterest.com/pin/114349278024850285/ If your living room windows don't open at the bottom, you might consider replacing them with windows that do open.

I wouldn’t lime-wash or change the brick .... I think painting trim, adding cedar accents, and other mid-century touches would look awesome. These sites are great for ideas: https://retrorenovation.com/2010/03/28/exterior-colors-for-1960-houses/ https://www.atomic-ranch.com/architecture-design/curb-appeal/ Your brick is a perfect backdrop for so many ideas. Search for more inspiration with terms like ‘mid century yellow brick’ ... ‘mid century house colors’ ... etc. For alley privacy, horizontal fencing: Landscaping inspiration: https://www.atomic-ranch.com/architecture-design/landscape-design/ ETA: Obviously an ultra-mod house, but just showing what a great job they did incorporating the original brick: https://www.dwell.com/article/christopher-polly-architect-binary-house-australia-84cda39e/6441684286814961664