10 Best Energy Efficient Light Bulbs in The UK

Last updated on 10/08/2025

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B4U Energy Saving Light Bulbs Bayonet, 3 Pack CFL Low Energy Light Bulbs 11W=60W, Warm White 2700K, 660 Lumens, BC/ B22 /Bayonet Cap

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Why We Love It

Save 90% on electricity bill.
Instant full brightness.
Long life span.

Main Highlights

Energy saving light bulbs, 11 watt equivalent to 60 watt, saving over 90% on electricity bill.
Light bulbs bayonet, 2 pin, BC/ B22/ Bayonet specialist cap.
Energe saving bulb 2700k 660 lumens. No warm up time to full brightness.
The size of bayonet light bulb: Height 135mm, Width 48mm.
This CFL light bulb with energy Rating A - Rated, Long Life Span up to 12,000 hours.
Number of items: 1

Linkind E27 LED Bulb, Ultra-efficient A-Rated 7.2W=100W Equivalent, 2700K Warm White 1521lm, Edison Screw in Light Bulb, Clear Glass Vintage Filament LED Bulb, 50000H Lifespan, 3-Pack

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Why We Love It

Superior brightness saves energy.
Warm ambiance enhances decor.
Long lifespan reduces costs.

Main Highlights

A-Grade Energy Efficiency & Superior Brightness: This 7.2W LED filament bulb replaces traditional 100W incandescent bulbs, saving over 93% energy while delivering 1521lm bright warm white light (2700K). With an A-class energy rating (211lm/W), it outperforms standard E/F-class bulbs (100lm/W) for double the brightness at the same power consumption.
Warm White Ambiance for Versatile Use: The 2700K warm white light and 320° beam angle create a cozy, inviting atmosphere, perfect for living rooms, cafes, restaurants, or vintage-themed spaces. Its clear glass design and Edison-style filament add a retro charm to any decor. CRI>80
50,000-Hour Lifespan & Cost Savings: Designed to last 30+ years (based on 5 hours/day usage), this bulb eliminates frequent replacements. Compared to traditional 100W bulbs, a 20-bulb setup cuts energy costs by £1,355/year—perfect for hotels, cafes, or large offices seeking budget-friendly lighting.
E27 Edison Screw Compatibility & Easy Installation: Fits standard E27 sockets (Edison Screw) and works seamlessly in lamps, ceiling fixtures, or pendant lights. Instant full brightness with no flicker, and no dimming function ensures hassle-free use.(φ60*105mm)
Linkind Quality Assurance: Crafted with durable transparent glass and mercury-free LEDs, this bulb meets strict EU safety standards. Linkind is committed to delivering energy-efficient, high-quality lighting solutions, with future A-grade bulbs (E14/GU10) in development.

Venforze Bayonet Light Bulbs, 9W(Equivalent to 60W) 6000K Cool White B22 LED Bulb, 940LM A60 Bayonet Bulbs, Non Dimmable BC GLS Energy Saving Light Bulbs, Pack of 6 [Energy Class A]

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Why We Love It

Latest technology for efficiency.
Easy and quick installation.
Extremely long service life.

Main Highlights

【THE LATEST TECHNOLOGY】With the application of new technology, this 9W bulb can replace for 60W bulb. It provides 940 luminous flux, with no waiting time to warm up to full brightness. The light will be both bright and comfortable for you without flicker.Protect you and your family from vision problems.
【Easy to Install】Standard A60 globe shape with B22 bayonet cap.They are easy to fit into standard bayonet fittings or lamp holders, to replace old B22 bayonet light bulbs. Wide Applicability, This 2700K Warm White LED bulb can be ideal for using everywhere, such as, living rooms, kitchens, bedrooms and hallways or ceiling fixtures.
【HIGH QUALITY】LED bulbs have a lifespan of up to 15,000 hours (much longer than bulbs), reducing the trouble of changing the lamps. CE approved. The average life span is 15,000 hours and the life span is 22.8 years (3 hours per day). The extremely long service life reduces the frequency of lamp replacement. Bringing a more energy-efficient quality of life for you and your family.
【GOOD VISUAL】High colour rendering (CRI > 82) provides vivid and natural colour; beam angle of 240 degrees for a wide flood light. CRI>82 enables true and natural color experience. Non-dimmable.
【GOOD VISUAL】High colour rendering (CRI > 82) provides vivid and natural colour; beam angle of 240 degrees for a wide flood light. CRI>82 enables true and natural color experience. Non-dimmable.

Philips Ultra Efficient - Ultra Energy Saving Lights, LED Light Source, 60W, A60, B22 Warm White 2700 Kelvin, Clear

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Why We Love It

Eye comfort with LED technology.
Significant energy savings.
Lasts up to 50 years.

Main Highlights

Designed for the comfort of your eyes. Gently light up your world with LEDs designed to go easy on the eyes, and create the perfect ambience for your home.
Better for your wallet and your planet. LED technology provides energy savings of up to 90% compared with your standard bulb. It therefore pays for itself and saves you money year after year. It also helps to protect the environment.
Long life bulb - Lasts up to 50 years. With a lifetime of up to 50,000 hours, you can reduce the hassle of frequently replacing your light bulbs and enjoy a perfect lighting solution for over 50 years.

GY Bayonet Light Bulbs,B22 LED Bulbs Cool White 6500K 100W Equivalent,9.5W 1521 Lumen Ultra Energy Saving Light Bulbs,Non-dimmable,6-Pack

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Why We Love It

Saves on electricity bills.
Higher brightness, lower wattage.
Protects your eyes effectively.

Main Highlights

【Save More on Your Electricity Bill】Unlike conventional A and A++ rated.GY A60 B22 bayonet bulbs are rated to the new UK energy efficiency class-C, which is far superior to conventional E, F and A++ rated conventional energy efficiency.
【Lower Wattage Higher Brightness】GY B22 bayonet bulbs use our latest technology to produce higher brightness with lower power consumption. Normal F-class LED B22 bulb 13W can only achieve 1500LM, while GY B22 9.5W bayonet bulb can reach 1521LM, which is more bright while saving energy.
【Eye Protection】GY B22 LED bulb is suitable for 220-240V AC input voltage, 1521lumens,instant illumination, no flicker, no glare, better eye protection (Note: do not look directly into the bulb when working).GY bayonet bulb produces low heat when working, the body of the bulb does not heat up like other bulbs.
【Colour Rendering Index >80】Which ensures vivid viewing pleasure with original colours compared to other products with a value below 80. Note: This lamp is not dimmable and is not compatible with dimmers.
【Wide Use and Long Life】Standard B22 baynoet socket, easy to install, suitable for a wide range of fixtures.GY Bayonet LED bulbs have an average life span of 25,000 hours, which effectively reduces the cost of bulb usage and overall cost.

Lepro Bayonet Light Bulb, Cool White 6500K, 60W Equivalent, 8.5W 806LM B22 LED Bulb Daylight White, Energy Saving Light Bulbs Bayonet, Non-dimmable, Pack of 6

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Why We Love It

Energy efficiency saves costs.
Produces bright, consistent light.
Long lifespan, minimal replacements.

Main Highlights

[Energy Saving Bayonet LED Light Bulb] Replace 60 watt bayonet incandescent bulb with 8.5W LED bulbs, saving 86% on electricity bill.
[Bright LED Bulbs Bayonet] These lightbulbs bayonet fitting light up instantly and cast a nice bright 806lm even and flicker-free light, 180° wide beam angle, uniform cool daylight white light.
[Extremely Long Life] The 60W bayonet light bulbs can last up to 15,000 hours (much longer than incandescent light bulb), reduces the hassle of re-lamp frequency.
[Easy to Install] The bayonet bulbs are easy to fit into standard bayonet fittings or lamp holders, to replace old B22 edison bulb bayonet.
[Wide Application] These daylight white bayonet light bulbs are ideal for kitchen, living room, office, hallway, ceiling light, pendant fixture, chandelier, desk lamp, floor lamp, bedside table lamp, etc.

Ddlisu B22 Bayonet Cap Energy Saving Bulb 11W, 2U CFL Low Energy Light Bulbs, BC Compact Fluorescent Stick Bulbs, B2U Bayonet Light Bulbs Warm White 2700k, AC 220V, Not dimmable, 3Pack

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Why We Love It

Energy-efficient, saves electricity costs.
Easy to install and use.
Soft, warm light enhances ambiance.

Main Highlights

(✪ω✪)【Fluoresentih light bulb:】This is a B22 bayonet energy-saving light bulb, CFL compact fluorescent light bulb, AC 220-240V,Glass material,11 watts is equivalent to 60 watts, electricity costs saving more than 90% or more
(✪ω✪)【B22 lamp holder】 This 2U upright bulb is easy to install. You only need to be aimed at the applicable B22 lamp holder to easily enter. This B22 CFL light bulb is Not Dimmable.
(✪ω✪)【Light:】The light of this bulb is soft and warm white 2700k, brightness of 650 lumens, no flashing, high color rendering> 80ra
(✪ω✪)【Size of the bulb】 14.00cm/5.51 inches, suitable for lamps such as chandeliers floor lamps.(If the glass material is broken, you can contact the customer service to refund the customer service, thank you for understanding)
(✪ω✪)【Usage】 This bayonet compact fluorescent light bulb is very suitable for office areas, bedrooms, toilets, corridors, living rooms and other places where lighting is needed, or for commercial lighting

PHILIPS Ultra Efficient - Ultra Energy Saving Lights, LED Light Source, 60W, A60, B22 Warm White 2700 Kelvin, Frosted

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Why We Love It

Comfortable eye-friendly lighting.
Energy-efficient and cost-effective.
Lasts up to 50 years.

Main Highlights

Designed for the comfort of your eyes. Gently light up your world with LEDs designed to go easy on the eyes, and create the perfect ambience for your home.
Better for your wallet and your planet. LED technology provides energy savings of up to 90% compared with your standard bulb. It therefore pays for itself and saves you money year after year. It also helps to protect the environment.
Long life bulb - Lasts up to 50 years. With a lifetime of up to 50,000 hours, you can reduce the hassle of frequently replacing your light bulbs and enjoy a perfect lighting solution for over 50 years.

Philips Ultra Efficient - Ultra Energy Saving Lights, LED Light Source, 40W, P45, E27, Warm White 2700 Kelvin, Clear

6% OffFree Shipping

Why We Love It

Saves up to 90% energy.
Extremely high 50,000-hour lifespan.
Comfortable light, easy on eyes.

Main Highlights

Save energy: The first LED bulb with an energy efficiency class A allows you to save up to 90% energy compared to other incandescent bulbs.
High quality LED bulb: classic design lamps create a pleasant, bright light and give your home an inviting atmosphere
3.5x longer life compared to conventional LED bulbs: Philips A-label bulb has an extremely high life of 50,000 hours
Product with EyeComfort: Philips LED bulbs provide comfortable light that is easy on your eyes
High-quality design: Clear optics make it ideal for luminaires with visible light source

Lepro Bayonet Light Bulb, 60W Equivalent, Warm White 2700K, 8.5W 806lm B22 LED Bulb, BC A60 GLS Energy Saving Lightbulbs, Non-dimmable, Pack of 6

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Why We Love It

Saves 86% on electricity.
Instant warm bright light.
Lasts up to 15,000 hours.

Main Highlights

[Energy Saving] Replace your old 60 watt bayonet incandescent bulb with our 8.5W light bulbs bayonet, saving 86% on electricity bill.
[Instant Warm Bright Light] These led bulbs bayonet light up instantly and cast a nice bright 806lm even and flicker-free light, with comfortable 2700K warm white light for a cosy and relax atmosphere.
[Extremely Long Life] The B22 led bulbs can last up to 15,000 hours (much longer than incandescent light bulb), reduces the hassle of re-lamp frequency.
[Easy to Install] The bayonet led light bulbs are easy to fit into standard bayonet fittings or lamp holders, to replace old B22 bayonet light bulbs.
[Wide Application Light Bulbs] These warm white bayonet light bulbs are ideal for kitchen, living room, dining room, bedroom, hallway, coffee shop, ceiling light, pendant fixture, chandelier, desk lamp, floor lamp, bedside table lamp, etc.
[Non-Dimmable Bayonet Light Bulbs] NOT compatible with dimmers, DON'T use them with dimmers.

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We scanned 1045 products

We reviewed these offers relevant to the Energy Efficient Light Bulbs within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like B4U, Linkind, Venforze, Philips Lighting, GY, Lepro, Ddlisu, PHILIPS, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Energy Efficient Light Bulbs in the market, we considered we took a deep dive into 5226 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is B4U Energy Saving Light Bulbs Bayonet, 3 Pack CFL Low Energy Light Bulbs 11W=60W, Warm White 2700K, 660 Lumens, BC/ B22 /Bayonet Cap. We love many things about this product by B4U. What sets it apart from the competition is Save 90% on electricity bill, Instant full brightness, Long life span.
The best value product for most shoppers and where user satisfaction is continuously the highest is Linkind E27 LED Bulb, Ultra-efficient A-Rated 7.2W=100W Equivalent, 2700K Warm White 1521lm, Edison Screw in Light Bulb, Clear Glass Vintage Filament LED Bulb, 50000H Lifespan, 3-Pack by Linkind based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Energy Efficient Light Bulbs and the best cost-to-value ratio is Lepro Bayonet Light Bulb, Cool White 6500K, 60W Equivalent, 8.5W 806LM B22 LED Bulb Daylight White, Energy Saving Light Bulbs Bayonet, Non-dimmable, Pack of 6at Lepro with a 30% discount.
Our list of the best Energy Efficient Light Bulbs is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Energy Efficient Light Bulbs in The UK

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Blaupunkt LED bulb with E27 base, classic, ambient lighting, 9W, natural white, 4000K, equivalent to 80w, Edison thread, lamp, cost-effective and energy efficient, warm light, 1 unit

PHILIPS Ultra Efficient - Ultra Energy Saving Lights, LED Light Source, 40W, A60, E27, Warm White 2700 Kelvin, Frosted

Unibulb B22 GLS Bayonet 7.3W Energy Efficient LED Light Bulb, 806 Lumens, 6500K Daylight, 60W Equivalent, 15,000hr Life, Non-Dimmable, Pack of 2

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We scanned 1045 products

We concluded that: