Bloc blinds. You fit a frame round the window (it’s easy!) the blind fits in and it’s total bloc out. It’s also cordless so no worries about safety.” (Recommended by Mumsnetter halfstonehomerun) Our verdict Starting with an upper corner of the window, work across the top first, then down the sides, and finally along the bottom. I had this exact one and I definitely remember reading that it couldn't be used in direct sunlight for long, because of this issue (I can't remember if it was in safety instructions, or if I found it online though). The suction cups also curl up in the heat rendering it useless.' This blind has sold in huge numbers mainly down to the price point, and the fact that it does what it says on the tin.

Getting baby into healthy sleeping habits is a challenge at the best of times, but even more so as seasons change or when you’re away from home. Make bedtimes easier when its light at night time, the Gro Anywhere Blind can be used to create a dark sleeping environment wherever you are.” We were told by Tommee Tippee that it states in their instructions that the blinds shouldn't be used for extended periods, but the blind we got didn't come with instructions!! Also even in the link they sent I couldn't find this info!! To improve suction and help keep the seal tight, dampen your fingertip with water and lightly moisten the inner rim of the suction cup. This helps create a tighter seal. The key is to not get too much moisture… just barely enough to coat the surface.Press the centre of each suction cup all the way down firmly to the glass and keep firm pressure for about 15 seconds. Then gently release the pressure until all the air bubbles inside are released, to firmly seal the cups to the surface. You’re trying to push all of air trapped between the suction cup and the window out from behind the suction cup. Try not to let the suction cups slide. If they slide easily you might have used too much moisture. To enhance suction and help keep the seal tight, dampen your fingertip with water and lightly moisten the inner rim of the suction cup. Press the center of each suction cup all the way down firmly to the glass and keep firm pressure for about 15 seconds. Then gently release the pressure until all the air bubbles inside are released, to firmly seal the cups to the surface. You’re trying to push all of air trapped between the suction cup and the window out from behind the suction cup. Try not to let the suction cups slide. If they slide easily you might have used too much moisture.

Supplied with two blinds each measuring 1m x 1.3m which can be used on their own or overlapped and joined together to fit any window up to a maximum size of 1.3m x 2m or 2.6m x 1m. Clean the window you with soap and water. De-grease the glass with rubbing alcohol if necessary. Ordinary bathroom orwindow cleaners can leave a residue. Wipe clean with a soft lint-free cloth. The heat build up between the blind and the window causes it to shatter – something that apparently happens quite frequently according to the glazier that came around.

How do I blackout a room without curtains?

You can safely apply a Gro Anywhere Blind to normal single or double-glazed windows in good condition. The issue with either of those two methods is a combination of the hassle of doing that, and the expense of heavier curtains or lined curtains Look at perfect fit pleated blinds - can get them from blinds2go. You push little clips into the silicone around the window frame (assuming uPVC windows) and the frame clip in. You can remove it all when you leave, but they’re made to measure so probably not reusable elsewhere unless windows the same size. We’ve just got them for our bifold doors and they’re brilliant, strongly considering for DS2s room who’s started waking up pre-6 this last week.” (Recommended by Mumsnetter ThePug) Our verdict

Wow. Never knew that. I've used them for years. To be fair, not to keep heat out. Just to help make rooms darker then it's down in the morning.'Special silver lining on one side to reflect both heat and light away. Good for keeping rooms cool in the summer. For temporary use only, remove from window when not in use,' with a separate warning in its small print, saying:

If necessary, wash the suction cups with warm, soapy water, rinse and pat them dry with a lint-free cloth.. Make sure both the inside of the suction cups and your window are clean and dry before application.

10. Best blackout roller blinds: Dunelm Glow in the Dark Stars Cordless Blackout Roller Blind

John Lewis plc, registered office: 171 Victoria Street, London SW1E 5NN. Authorised and regulated by the Financial Conduct Authority (Register no. 724309) for the purpose of introducing the credit provided by Creation Consumer Finance Ltd, registered office: Wellington Buildings, 2-4 Wellington Street, Belfast BT1 6HT. With a darker room, we found that the bedtime process was MUCH easier, with Erin becoming a lot more accepting about it being night time. We have even been treated to the occasion lie in since we have been using it! Pros: Large items (delivered by two people, such as appliances and furniture) can be returned using our Home Collection service. The suction cups may need to be ‘burped’ periodically by pressing down on them to remove any air that may have seeped in.