Philips Hue White Filament Single Smart G125 LED Bulb [B22, Bayonet] £19.99 @ Amazon

Good price for this bulb, currently £39.99 in John Lewis.

This Philips Hue LED bulb makes it easier than ever to introduce smart lighting at home. Use the compatible Bluetooth app or voice commands and start controlling your lights straight out of the box. This 7W G125 bulb has a single coil filament which will draw the eye when illuminated and complement vintage-inspired interiors.

Smart control straight out of the box
This light works with the free Philips Hue Bluetooth app. Simply install your new Hue light and connect to the Bluetooth app for instant, smart lighting control.

Voice control ready
Compatible with Alexa, Apple and Google Assistant devices. Use simple voice commands to control this light.

Unlock additional features with the Hue Bridge
To experience the full potential of this smart light, connect to a Philips Hue Bridge (optional extra, available to purchase separately). Additional Philips Hue features include: setting timers and routines with light, controlling your lights remotely and automating your entire smart home lighting set up. There's also the option to add other accessories, including motion sensors and smart switches.