second line above

Photoshop is your friend in situtations like this. A person experienced with the software could mock up several of your ideas to help you rule them in/out.

Mantels are on fireplaces. Are you asking for a canopy for over the front door?

That big blank window ruins a five bay Georgian form- its just too modern an element on an otherwise traditional house. I know from your posts that you are renovating a lot of the house, a single or double pair of double hung windows the size of the others and in line with the others would make much more sense on the facade and not scream 1990. It would of course require finding matching brick or painting the brick. The other solutions don't really address it for me.

Tacking things onto your oversized window isn’t going to magically make it look good. Either leave it as is or remove it and add appropriate windows that match the others. What’s a chandelier going to do except give you another reason to look at your oversized window?

Here is your house with an entrance metal canopy mounted below the window.

I recolored the gable, removed the butterfly, and trimmed back the ornamental tree.

https://www.timstammen.com/-/listing/302041315/1224-Sunny-Glen-Court-Vandalia-OH-45377?content_index=300042633&from=results

Not sure I would be too concerned about the exterior, you've go a year or two of projects on the inside of the home. It's a wallpaper showroom that never escaped the 80s.

I think Beverly’s mock-up looks good and is a vast improvement. Btw, Lori, I think you were perhaps conflating mantel with lintel, terminology-wise.

I think the entry door needs protection for guests so start with the suggestion from Beverly for ideas and IMO that window is fine and a new portico or awning will draw your eye what I find worse is the siding color in the peak above the window make that as close to the brick color as possible or the same as the window color.