DIY toy guide

Window Perch Shelf

Give an indoor cat the best seat in the house

A sunlit window with a view of birds is the single most valuable piece of real estate in an indoor cat's world. Most sills are too narrow to lie on properly — a shelf fixes that in an afternoon.

Difficulty
Medium
Time
1 hour
Cost
Around £15

🧺 You will need

  • A pine shelf board, roughly 50cm × 30cm × 18mm
  • Two heavy-duty shelf brackets rated for at least 15kg
  • Wall plugs and screws suitable for your wall type
  • A drill, spirit level and pencil
  • A washable fleece blanket or a piece of carpet offcut
  • Velcro strips or upholstery tacks to fix the covering

🔧 How to make it

  1. Pick the window with the best activity outside rather than the best light — birds, a feeder, a busy path. Cats want television more than they want a sunbed, though they will take both.
  2. Mark a height that lets the cat see out comfortably while lying down, usually 5–10cm below the sill line.
  3. Find the studs or use appropriate heavy-duty fixings. A cat landing on a shelf from a run-up delivers several times its body weight, and a shelf that fails once will never be trusted again.
  4. Mount the brackets level and screw the board down from above so no screw heads sit proud on the top surface.
  5. Cover the board with fleece or carpet, fixed with Velcro so it can be pulled off and washed — a sunny perch collects an astonishing amount of shed fur.
  6. Test the shelf hard with your own hands before the cat sees it. Push down, pull sideways, and lean on the front edge.
  7. Introduce it with a treat placed on the surface and a step or stool nearby, and let the cat find its own way up.

💡 Tips

Depth matters more than length. A cat needs enough room to lie fully on its side without any part overhanging, which usually means at least 28cm. If the window is high, add an intermediate step — a chest of drawers, a second small shelf — rather than expecting a single leap, especially for older or arthritic cats. Adding a window bird feeder outside turns the perch from a nice spot into an hours-a-day fixture.

Safety: Over-engineer the fixings. Check that the window itself cannot be pushed open by a cat leaning on it, and never build a perch at an upstairs window that opens without a secure screen — high-rise falls are a well-documented cause of serious feline injury. Avoid trailing blind cords anywhere near the shelf, as they are a strangulation hazard.

📝 Notes

A washable cover and a monthly shake-out keeps the perch usable for years. Most cats claim it within a day.

A window with real activity outside earns more use than one with a better view but nothing happening
A window with real activity outside earns more use than one with a better view but nothing happening
Depth is what makes a perch comfortable — a cat should be able to lie on its side with nothing overhanging
Depth is what makes a perch comfortable — a cat should be able to lie on its side with nothing overhanging

🎬 Related videos

← Back to Toys & Enrichment