50 decor ideas for a poster wall, room by room

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Why thinking room by room changes everything in poster decor

Decor magazines rarely take a room-by-room approach. Yet it is the most effective angle: what works in a living room does not work in a bedroom. Each room has its own function, its own light, its own rhythm.

Here are 50 concrete ideas, spread across 7 rooms of the home, each with a subject, a suggested size and a placement. All of these ideas come from real requests from our customers.

Living room: 10 ideas that set the tone

1. An A1 panorama poster of your hometown above the sofa.

2. A vertical 3xA3 triptych: 3 ports (Marseille, La Ciotat, Cassis) side by side.

3. A 2x2 grid of A2 prints: the 4 seasons of a single landscape.

4. Above the fireplace, a single A1 poster with a dark background to anchor the room.

5. A gallery wall of 9 A4 prints: your travels from the past 10 years.

6. Above the sideboard, a row of 5 landscape A4 prints of southern cities.

7. A 2xA2 diptych: a Mediterranean sunset split in two.

8. Next to the TV, a portrait A3 to soften the rectangle of the screen.

9. On the wall by the reading nook, an A2 cocktail illustration to mark the aperitif corner.

10. On a shelf, an A4 leaned against the wall, no hanging needed. A relaxed look.

Kitchen: 8 ideas that whet the appetite

11. Above the countertop, 3 landscape A4 prints of Mediterranean citrus.

12. On the tiled backsplash, 2 A5 cocktail prints in simple frames.

13. On the main wall, a vintage 1930s A3 “Café” poster.

14. Next to the fridge, an A4 Italian aperitif poster.

15. Above the dining nook, a single A2 French city poster (Lyon, Bordeaux, Marseille).

16. A frieze of 4xA5 fruit and vegetable prints above the sink.

17. A 2xA4 diptych: “Bon appétit” and an illustrated wine list.

18. On a low island cabinet, an A3 displayed like a desktop easel.

Bedroom: 8 ideas that soothe

19. Above the headboard, a soft landscape A2 (lavender, olive grove, dunes).

20. Symmetry: 2 portrait Belle Époque A3 prints on each side of the bed.

21. Above the dresser, a single black-and-white botanical A3.

22. Next to the closet, an A4 retro 1930s fashion print.

23. A low frieze 80 cm from the floor: 4 A5 prints of exotic birds.

24. On a visible ceiling, an A4 astral sky chart (rare but striking).

25. On the corner wall, an A3 of a beach that recalls vacations.

26. A mini gallery of 6 A5 family photos styled in Art Deco colors.

Entryway: 6 ideas that set the tone

27. An A2 city poster (your own) in the welcome space.

28. A 3xA4 portrait triptych: city, sea, mountain. 3 moods in 3 frames.

29. Next to the entryway mirror, a portrait Belle Époque A3 for an elegant touch.

30. A frieze above the interior entry door, 3 A5 geometric patterns.

31. On the main entryway wall, an A1 dream destination in landscape format.

32. In a small entryway nook, a minimalist A4 that goes unnoticed but signs the home.

Home office: 6 ideas that motivate

33. Facing the desk, an A2 mountain or ocean panorama.

34. On the side wall, a frieze of 5 A5 sports prints (cycling, surfing, tennis, rugby, skiing).

35. Above the bookcase, an A3 retro cityscape.

36. Next to the screen, an A5 quote print or minimalist typographic poster.

37. On a shelf, an A4 travel print displayed on an easel, changed every month.

38. For the back wall visible on video calls, a single bold A2 that signals your world.

Bathroom and powder room: 6 ideas that dare

39. Powder room: an A4 advertising poster (aperitif, luxury cigarette, perfume).

40. Bathroom: a retro beach A4 framed under waterproof glass.

41. Above the sink, a tropical botanical A5 in a PVC frame.

42. Powder room: 3 A6 postcards framed as a series.

43. Bathroom: an A3 poster of thermal baths or seaside resorts.

44. Bathroom corner wall: a discreet, poetic A4 nautical print.

Hallway: 6 ideas that give structure

45. A frieze of 6 A4 prints aligned at eye level along the full length.

46. A diagonal staircase arrangement of 5 mixed A4 and A3 frames.

47. On the back wall of the hallway, a single A1 city perspective.

48. A vertical 3xA4 portrait triptych at the end of the hallway.

49. A low 4xA5 baseboard frieze for narrow hallways.

50. For a long hallway: a row of 7 A4 prints, same size, same frame, varied subjects.

The secret to 50 ideas that work: choose ONE consistency rule per room. Either the same size throughout. Or the same color palette. Or the same subject. Never all 3 at once, or it feels flat.

To go further room by room, see our guides: living room, bedroom, kitchen, entryway.