Choosing the Right B22 Smart Light Bulb: A Buyer’s Guide

If you've ever looked up at a light fitting in a UK home, you've likely seen the familiar B22 bayonet cap. It's been a standard for decades. But the bulbs that fit into it are changing rapidly. Navigating the world of smart lighting can feel complex, with terms like 'hubs', 'Wi-Fi' and 'Zigbee' making a simple purchase feel like a major decision.

This guide is designed to cut through the clutter. Whether you're looking to create an immersive, voice-controlled living room, add a splash of colour to a bedroom or simply find an energy-efficient replacement for an old bulb, we'll help you understand the options. We will compare different types of B22 smart light bulb and standard LED alternatives to help you find the right fit for your home and budget.

What to Consider Before Buying a B22 Bulb

Choosing the right bulb goes beyond just finding the correct fitting. Here are a few key points to consider that will help you make a confident choice.

1. Smart vs. Standard LED: What Do You Need?

The first decision is whether you need smart functionality.

• Standard LED Bulbs: A modern B22 LED bulb 60W equivalent is a fantastic, energy-saving replacement for old incandescent bulbs. They offer a long lifespan and provide simple, reliable light at a lower initial cost. They are perfect for areas where you just need straightforward illumination, like hallways, cupboards or utility rooms.
• Smart Bulbs: A bayonet smart bulb offers a world of customisation. You can control brightness, set schedules and, with many models, change the light to millions of different colours. This is ideal for living rooms, bedrooms and home offices where you want to adjust the lighting to suit your mood or activity.

2. Connection Type: Hub or No Hub?

If you've decided on a smart bulb, the next question is how it connects. This is the main difference between various smart lighting systems.

• Smart Bulbs No Hub (Wi-Fi/Bluetooth): These are the simplest to set up. Bulbs like the Philips WiZ bulb connect directly to your home's Wi-Fi network. You just screw in the bulb and control it via a smartphone app. Bluetooth models are even simpler but have a shorter range, usually limited to a single room. These are great for starting out or for lighting a specific area.
• Hub-Based Systems (Zigbee): Systems like Philips Hue B22 can use a central hub (like the Hue Bridge) that plugs into your router. The hub creates its own dedicated network to communicate with the bulbs. This is more robust, allows for more bulbs (typically up to 50) and enables more advanced features like out-of-home control and syncing with other smart home devices.

3. Colour and Brightness

Not all smart bulbs are created equal when it comes to light.

• White: The most basic smart bulbs offer dimmable white light.
• White Ambiance: These allow you to adjust the temperature of the white light, from a warm, cosy glow to a cool, energising daylight.
• Colour Ambiance: A colour changing light bulb B22 gives you the full spectrum, offering millions of colours in addition to the full range of white light.
• Brightness (Lumens): Don't just look at watts. Lumens measure the actual brightness of the bulb. An 800-lumen bulb is a good all-rounder, while a 1100-lumen bulb will provide brighter, more powerful light for larger rooms.

B22 Light Bulb Recommendations

Here are our recommendations, selected to cover a range of needs from simple smart control to a fully integrated smart home, as well as a reliable non-smart option.

Philips Smart Light Bulb LED (WiZ Connected) - Full Colour

Why It Stands Out: This bulb is a superb entry point into smart lighting. It requires no extra hardware—it connects directly to your Wi-Fi router. Using the WiZ app, you can instantly access millions of colours and dynamic light modes like 'Ocean' or 'Fireplace' to create a specific atmosphere.

Pros:

• No hub required: Connects directly to your Wi-Fi for a simple setup.
• Full colour spectrum: Offers 16 million colours and tunable white light.
• App control from anywhere: As long as you have an internet connection, you can control your lights.
• Automation and scheduling: Set lights to turn on before you get home or to wake you up gently.

Who is it for? Anyone wanting to try smart lighting without a big commitment. It's ideal for renters, students or for adding colour and smart control to a single room like a bedroom or home office.

Philips Hue White & Colour Ambiance Smart Bulb with Bluetooth

Why It Stands Out: The Philips Hue ecosystem is known for its quality and scalability. This bulb offers the best of both worlds: you can start immediately with simple Bluetooth control in one room, and then add a Hue Bridge later to unlock the system's full potential for your entire home. With 1100 lumens, it's also noticeably brighter than many standard smart bulbs.

Pros:

• Flexible setup: Start with easy Bluetooth control and upgrade to a full hub-based system later.
• High brightness: The 1100 lumen output is great for illuminating larger spaces.
• Extensive compatibility: Works as an Alexa light bulb B22 and with Google Assistant. With a Bridge, it adds Apple HomeKit support.
• Scalable system: The Hue Bridge supports up to 50 lights and accessories, including outdoor lights and motion sensors.

Who is it for? Homeowners and tech enthusiasts who are planning a whole-home smart lighting system. It's also a great choice for those who want a premium, bright colour bulb today with the option to expand tomorrow.

Philips LED Globe Frosted Bayonet B22 - Warm White (Non-Dimmable)

Why It Stands Out: Sometimes, you just need a good, reliable light bulb. This Philips LED bulb is the perfect modern replacement for traditional 60W incandescent bulbs. It offers a comfortable, warm white light and significant energy savings without any of the complexities of smart technology.

Pros:

• Energy efficient: Uses a fraction of the power of an old incandescent bulb, saving you money on electricity bills.
• Simple installation: Just screw it in and turn it on. No apps, no setup.
• Comfortable light: Provides a classic warm white glow that's easy on the eyes.
• Long lifespan: Designed to last for years, reducing the hassle of frequent bulb changes.

Who is it for? Anyone looking for a cost-effective, energy-saving lighting solution for general-purpose use. It's the ideal choice for those who prefer simplicity or for lighting areas where smart features are unnecessary.

Looking for More Options?

These three bulbs represent some of the most popular choices for UK homes, but the world of lighting is vast. If you're looking for different brightness levels, shapes or other smart ecosystems, there are many more options to explore.

Browse Our Full Range of Light Bulbs in the UK

Frequently Asked Questions

Do B22 smart bulbs work in any B22 fitting?

Yes, the B22 bayonet base is standardised, so any B22 bulb will physically fit into any B22 socket. However, it's always a good idea to check the physical dimensions of the bulb itself, especially if you are fitting it inside a small lamp or a tight enclosure, to ensure there is enough space.

Can I use a smart bulb with a traditional dimmer switch?

It is strongly advised not to. Smart bulbs contain their own electronics for dimming, and using them with an external, wall-mounted dimmer switch can damage the bulb and cause it to flicker or fail. All dimming for a smart bulb should be done through its dedicated app or via voice commands.

Do smart bulbs use electricity when they are turned 'off'?

Yes, smart bulbs use a very small amount of standby power to remain connected to your Wi-Fi or hub network. This allows them to be turned on remotely. However, this power consumption is extremely low (typically less than 0.5W) and the energy saved by using an efficient LED bulb far outweighs this minimal standby usage.