How can I make winter exterior house photos look warmer and more appealing for a real-estate listing?

You can improve the feel, but you probably can’t convincingly turn winter into summer.

Best options:

• Warm the white balance slightly to reduce the cold blue cast.
• Increase saturation modestly, especially greens/yellows, but avoid making grass or sky look unnatural.
• Shoot in RAW if possible. RAW gives much more room for adjusting white balance, highlights, and color without JPEG artifacts.
• Reshoot on a sunny day, ideally during the hour after sunrise or before sunset, when light is naturally warmer and more flattering.
• Slow down and improve composition: straighten verticals, level the frame, and compose more deliberately.
• Try a position where the driveway leads the eye toward the house.
• Be mindful of balance in the frame; too much empty sky or foreground grass usually doesn’t help.
• If you want a centered front-on view, move farther back if possible and keep the shot symmetrical.

In short: warmer white balance, careful color adjustment, RAW capture, better timing, and stronger composition will make the house look more inviting—even if it still looks like winter.