If the bike fence looks a little less polished than you prefer, the slatted fence in Image 5 is sleek but natural. Of course, the classic option has white pickets (Image 6).
A colorfully painted door will spruce up even the simplest exterior, and I think Paris's streets are lined with some of the most impressive front doors around (Image 8).
MORE GATES, FENCES, AND FRONT DOORS ON APARTMENT THERAPY:
• DIY Living Privacy Gate On Wheels
• Good Fences & Bad Fences: How to Decide
• Flickr Finds: OrangeDoor's Fabulous Front Porch
• Look! Modern Fence
• Color Roundup: Front Door Fever
Images: 1. Mixr.se 2. Chris Court for Design* Sponge 3. Cool Picture Gallery 4. Flickr user OrangeDoor via Apartment Therapy 5. The Brick House 6. Country Living 7. Dwell 8. Stacy Snacks 9. Sunset 10. Jason Loper for Apartment Therapy