Plumen's new LED WattNott lightbulb has a lifespan of 25 years

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Plumen's WattNott LED lightbulb has a lifespan of 25 years

Lighting brand Plumen has designed a set of LED Edison light bulbs that it claims have a lifespan of a quarter of a century.

The low-energy WattNott is based on the design of classic Edison light bulbs, which feature intricate, wound filaments. They are recognisable for their warm glow and antique look.

Photograph is by Andrew Penketh

Hoping to update the design, Plumen fitted each bulb with flexible LED filaments – something the brand claims makes the bulb last as long as 25 years before it needs to be replaced.

"When we saw the new filament LED technology, we knew we had to use it," said Plumen's creative director Nicolas Roope.

Photograph is by Andrew Penketh

"It's a cost-effective way to create charming and useable light bulbs that hit the Plumen standard for performance and efficiency."

The WattNott range includes seven different models, each available in two colours of glass. All of the bulbs are dimmable.

Photograph is by Andrew Penketh

Because of the LED technology, the company believes that the bulb uses up to 80 per cent less energy than a traditional Edison.

Launched in 2010, Plumen set out to create beautiful alternatives to standard low-energy light sources – its most recent effort being an LED light with a gold-coloured shade inside the bulb that "makes you look more beautiful".

Together with the new WattNott, it shows Plumen moving towards LEDs and away from the fluorescent lights on which the business was built.

Photograph is by Andrew Penketh

The brand has so far sold over half a million of its Plumen 001 and Plumen 002 compact fluorescent light bulb ranges – the first designed in collaboration with Samuel Wilkinson and the second created with Bertrand Clerc.

Plumen won Design of the Year for its 001 light bulb in 2011, and has recently launched a crowdfunding drive to fund new product launches and "kick the business up to the next level".

Branding and identity by Alexander Boxill.