John Lewis Roller Blind Safety Spring Mechanism

Product information

This safety mechanism will adapt your John Lewis chain operated roller into a safer, spring-loaded cordless blind. Choose from two sizes, fitting blinds either 61-122cm wide or 153-183cm wide.

Please note that we recommend having two people on hand to hold the blind aloft, firmly supporting it in order to create the tension required to properly fit the device.

John Lewis
Eligible for International Delivery


  • Click & collect

    Click & collect from John Lewis and Waitrose shops tomorrow from 2pm
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  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
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  • International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 1.9 out of 5 by 15 reviewers.
Rated 5 out of 5 by Avery good idea I tried to buy a spring blind and found I would have to have it made which would have been very expensive. We found JL had a conversion kit. We wanted spring blind to fit on a door,we found it very simple to fit and it works so well.I would recommend this to anyone. 01 December 2015
Rated 2 out of 5 by Not what I expected I thought this would be a sprung roller minus the fabric...not just a giant spring. It's been sat since purchase waiting to me to figure out how to use it! Basically you need to already have a roller blind...this is just a conversion kit. 03 November 2015
Rated 1 out of 5 by Rubbish I had to buy this to replace the side winder on a John Lewis blind that was poor quality and snapped within a week. It was the only type of replacement available and I was told it was because side winders are unsafe - yet they come on the new blinds. It was easy to fit but the problem is that it needs re-tensioning more and more often. Initially it would last a month or so before needing adjustment but now it needs doing virtually every time it is used. The whole thing is going in the bin now, as I have given up on it. 14 July 2015
Rated 1 out of 5 by roller blind mechanism doesn't work I regret that this mechanism does not work. The same was the case with the previous one which we returned at the end of last year. Thank you 11 May 2015
Rated 1 out of 5 by Jams solidly Wanted to avoid having chains on the blind but this did not work. Just jams solidly. Have to remove the blind to roll it up or down. 10 April 2015
Rated 1 out of 5 by Utter waste Really wish I'd believed the other reviews. These don't work. Bought four. The first snapped while setting up. The second wouldn't rotate at all so can't be tensioned. The third works once then jams every time. The fourth will go back with the rest this morning. I'm putting the chain mechs on instead. They all work first time. This product just isn't what I thought I'd get from John Lewis and I would recommend you withdraw it and redesign as it's not up to the job as advertised and if I'd believed the other reviews I wouldn't have wasted my bank holiday in frustration. They are all going back to Newcastle store today. 04 April 2015
Rated 1 out of 5 by Hours of frustration to no avail We bought some John Lewis blinds, and then the spring mechanism to go with it .... then spent hours, HOURS grappling with it, to no avail. We asked our builders if they could have a go - two exceptionally practical and intelligent guys who have done the plumbing and electrics for our house ... yet they too were flummoxed by the binds. We have read any instructions we can get our hands on, watched online tutorials, even got by-phone instructions in store, but the product does not work. Have resorted to hand rolling blinds up and down, and wedging with a piece of wood. Really not the John Lewis dream! 11 March 2015
Rated 5 out of 5 by Really easy to fit and just what I needed I recommend this to change up an existing roller blind or make your own . 01 October 2014
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£7.00 - £9.00

  • W61-122cm

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    More than 10 in stock

  • W153-183cm

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    More than 10 in stock