SOFTAYO · BUYING GUIDE
Darkening a nursery in a rental: what you can and cannot change
Rental rules, measuring a window, and the safety checks that matter more than how dark the room gets.
Start with the tenancy agreement, not the window
Most agreements say something about fixtures, adhesives and making good at the end. Ask the property manager before attaching anything to a wall, frame or glass, and get the answer in writing. A product that removes cleanly still is not the same as a surface that returns to how it was: adhesive can lift paint or leave residue, especially on freshly painted or textured walls.
Decide what you actually need to change
Some parents want the room darker at nap time; some want a specific window covered because a streetlight or a security light shines in; some want the option to take it down when the room is used for something else. Those are different jobs and they point at different products. A fabric cover you cut to the window and hold on with removable fasteners is one option; a fitted blind or curtain rail usually needs mounting points, which is often not possible in a rental.
Measure the opening and the fixing surface
Measure the full area you want covered, width and height separately, then look for where a fastener can sit: frame face, wall around the reveal, or glass. Handles, hinges, a sloping sill, existing curtains, a nearby wardrobe and any vents all reduce usable space. A cover that only reaches the glass leaves light coming around the edges.
Check safety before you check darkness
Never run cords, ties or loose fabric inside or over a cot, and keep any small adhesive parts well out of reach. Do not cover vents, heaters, smoke alarms or anything that needs airflow or access. If a window is a required escape route, keep it usable. If you are unsure how a product interacts with your cot or furniture, ask the manufacturer of the cot rather than relying on a product listing.
Test the routine before it matters
Put the cover up on an ordinary afternoon and see how the room feels at the time of day you will actually use it. Check for gaps at the edges, noise from fabric moving in a draught, and whether the fasteners hold on your surface. Doing this a week before you need it is far less stressful than doing it at 2am.
What a blackout cover does not promise
Fit and edge gaps affect the result more than the fabric does. Softayo does not publish a measured blackout percentage, does not claim medical or sleep benefits, and does not claim heat or noise reduction. Images on product pages are supplier demonstrations, not a test of your window. If your decision depends on a specific measured outcome, that evidence is not in the listing.
View the portable blackout kit →
More practical guides
- How to measure a window for a cut-to-fit blackout cover
- How to adjust a wraparound sleep mask
- Reusable earplugs: check the tips, fit and contents
- How to darken a rental without drilling
- Blacking out an awning or sliding window
- Will a 47 × 30 cm drying rack fit your sink?
Prepared by Softayo · 1 November 2026. Based on the current listed product and use information, not an independent performance test.