Door Defender

No Deal

Security bolt for doors

Season 10 · Ep 5 OtherAired 7 October 2012

Door Defender is a security bolt for doors that got its big break on Dragons’ Den in Season 10, where it won fans even without landing a deal.

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From the show

The Dragons’ Den pitch

£65K
Asked for: —
Offered equity: —
Sought valuation

Founder Ernie Griffin stepped onto the carpet in Season 10, Episode 5 in the episode that aired 7 October 2012. Door Defender, the security bolt for doors, pitched in the Other category, one of 902 other businesses to brave the Den across all 21 seasons.

No deal. Every dragon declined, and Door Defender walked. But a Dragons’ Den appearance reaches millions of viewers whether or not a check gets written, and plenty of no-deal companies have turned that airtime into lasting businesses.

Season 10 saw 100 pitches, and 21 of them closed a deal on air. In the Other category overall, roughly 11% of pitches have landed a dragon across the show's history.

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Frequently asked questions

Where can I buy Door Defender?

Check current price and availability on Amazon. Note that some Dragons’ Den products are discontinued or sold under a new name.

Did Door Defender get a deal on Dragons’ Den?

No. Door Defender pitched the dragons but left Season 10 without a deal.

What season of Dragons’ Den was Door Defender on?

Door Defender appeared in Season 10, Episode 5, which aired 7 October 2012.

Dragons' Den Index may earn a commission on purchases made through links on this page. Deal figures reflect what aired; terms sometimes change after the show.