Lighting

Best light bulbs for common UK fittings compared in 2026

UK homes use several bulb fittings, so the first step is matching the cap: B22 bayonet, E27 screw, E14 small screw or GU10 spotlight. This 2026 comparison sets eight bulbs side by side by fitting, colour, brightness, smart features, pack quantity and price, with prices ranging from £6.99 to £19.57.

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Our Top Pick

Best overall

The Lepro B22 bayonet bulb pairs a 60W-equivalent 806lm output with warm white 2700K in a three-pack for just £6.99, the lowest pack price here for a common household fitting.

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Light bulbs compared by fitting and output

Product	Brand	Price	Retailer	Fitting	Type / colour	Power or output named	Pack size
Lepro B22 Bayonet LED Bulbs, 3 Pack	Lepro	£6.99Checked 6 Nov 2026, 18:40 UTC	Amazon UK	B22 bayonet	Warm white 2700K	8.5W = 60W; 806lm	3
Lepro GU10 LED Spot Bulbs, 5 Pack	Lepro	£9.99Checked 6 Nov 2026, 18:40 UTC	Amazon UK	GU10	Warm white 2700K	4.5W; 50W equivalent	5
Lepro E27 Edison Screw LED Bulbs, 6 Pack	Lepro	£9.59Checked 6 Nov 2026, 18:40 UTC	Amazon UK	E27 screw	Warm white 2700K	8.5W; 60W equivalent; 806lm	6
Lepro E14 C37 Candle LED Bulbs, 6 Pack	Lepro	£10.99Checked 6 Nov 2026, 18:40 UTC	Amazon UK	E14 C37	Warm white 2700K	4.2W = 40W; 470lm	6
Philips Classic GU10 Spotlight, 6 Pack	Philips	£12.99Checked 6 Nov 2026, 17:00 UTC	Amazon UK	GU10	—	—	6
Energizer GU10 Daylight LED Bulbs, 10 Pack	Energizer	£11.47Checked 6 Nov 2026, 18:40 UTC	Amazon UK	GU10	Daylight 6500K	—	10
Tapo L530B B22 Smart Bulb, Single	Tapo	£7.49Checked 6 Nov 2026, 17:00 UTC	Amazon UK	B22	Smart; multicolour; dimmable	—	1
Tapo L530B B22 Smart Bulbs, 2 Pack	Tapo	£19.57Checked 6 Nov 2026, 17:00 UTC	Amazon UK	B22	Smart; multicolour; dimmable	—	2

Please check the Amazon page for the current price.

Light bulbs reviewed

Best for B22 fittings

Lepro B22 Bayonet LED Bulbs, 3 Pack

A low-cost three-pack of warm white LED bulbs for standard B22 bayonet fittings.

The Lepro B22 pack gives you three bulbs for £6.99. Each uses 8.5W as a 60W equivalent and delivers 806lm in warm white 2700K. With B22 caps, they suit ordinary lamps and ceiling pendants, making this a straightforward, budget-friendly option for general room lighting.

Price£6.99Checked 6 Nov 2026, 18:40 UTC

Key Details

Fitting: B22 bayonet
Type / colour: Warm white 2700K
Power or output named: 8.5W = 60W; 806lm
Pack size: 3

What We Like

806lm output at 60W equivalent
Three bulbs for £6.99

Considerations

Fits B22 bayonet fittings only

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Best warm white GU10

Lepro GU10 LED Spot Bulbs, 5 Pack

A five-pack of warm white GU10 LED spots for downlights and spotlights.

Lepro supplies five GU10 spot bulbs for £9.99, each using 4.5W as a 50W equivalent with 345lm in warm white 2700K. They suit GU10 downlights and track spots where a warm tone is wanted. The bulbs are non-dimmable, so they are best on standard switches.

Price£9.99Checked 6 Nov 2026, 18:40 UTC

Key Details

Fitting: GU10
Type / colour: Warm white 2700K
Power or output named: 4.5W; 50W equivalent
Pack size: 5

What We Like

Warm white 2700K at 345lm
Five bulbs for £9.99

Considerations

Non-dimmable

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Best for E27 fittings

Lepro E27 Edison Screw LED Bulbs, 6 Pack

A six-pack of warm white LED bulbs for E27 Edison screw fittings.

This Lepro pack contains six E27 Edison screw bulbs for £9.59, working out at about £1.60 each. Each uses 8.5W as a 60W equivalent and produces 806lm in warm white 2700K. It suits lamps and pendants with a large screw cap and gives plenty of spares for a whole home.

Price£9.59Checked 6 Nov 2026, 18:40 UTC

Key Details

Fitting: E27 screw
Type / colour: Warm white 2700K
Power or output named: 8.5W; 60W equivalent; 806lm
Pack size: 6

What We Like

Six 806lm bulbs for £9.59
Warm white 2700K, 60W equivalent

Considerations

Fits E27 screw caps only

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Best for E14 candle fittings

Lepro E14 C37 Candle LED Bulbs, 6 Pack

A six-pack of small candle-shaped LED bulbs for E14 small screw fittings.

Lepro offers six C37 candle bulbs for £10.99, each measuring 36×100mm. They use 4.2W as a 40W equivalent, giving 470lm in warm white 2700K. They suit chandeliers, wall lights and decorative fittings with an E14 cap, though they are non-dimmable and not suited to dimmer circuits.

Price£10.99Checked 6 Nov 2026, 18:40 UTC

Key Details

Fitting: E14 C37
Type / colour: Warm white 2700K
Power or output named: 4.2W = 40W; 470lm
Pack size: 6

What We Like

470lm from 4.2W in warm white 2700K
Compact 36×100mm candle shape

Considerations

Non-dimmable
Fits E14 small screw fittings only

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Best known-brand GU10 pack

Philips Classic GU10 Spotlight, 6 Pack

A six-pack of Philips GU10 spotlights at 2700K, with the title also mentioning Bluetooth app control.

This Philips pack contains six GU10 spotlights for £12.99. The product title gives 50W, 2700K and 390lm, and also mentions Bluetooth app control. It suits GU10 downlights, and it is the priciest GU10 option here, so it appeals to buyers who prefer a familiar brand name.

Price£12.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Fitting: GU10
Pack size: 6

What We Like

Six-pack at 2700K and 390lm
Product title mentions Bluetooth app control

Considerations

Highest price among the GU10 packs here

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Best daylight GU10 multipack

Energizer GU10 Daylight LED Bulbs, 10 Pack

A ten-pack of cool daylight GU10 bulbs for those who prefer a crisp white light.

Energizer supplies ten GU10 bulbs for £11.47, roughly £1.15 each. Each draws 4.9W as a 50W halogen equivalent, giving 345lm at 6500K daylight. The cooler tone suits kitchens, utility rooms and workspaces with GU10 fittings, and the larger quantity covers multiple spotlights. They are non-dimmable.

Price£11.47Checked 6 Nov 2026, 18:40 UTC

Key Details

Fitting: GU10
Type / colour: Daylight 6500K
Pack size: 10

What We Like

Ten bulbs for £11.47
Daylight 6500K at 345lm

Considerations

Non-dimmable
Cool tone is less cosy than warm white

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Best single smart bulb

Tapo L530B B22 Smart Bulb, Single

A single B22 smart bulb with colour changing, dimming and voice assistant support, without needing a hub.

The Tapo L530B is a B22 smart bulb at £7.49, giving 806lm at 60W equivalent. It offers 16 million colours, adjustable 2500–6500K whites, dimming, and Alexa and Google compatibility, with no hub required. It suits anyone wanting to try smart lighting in one bayonet fitting before buying more.

Price£7.49Checked 6 Nov 2026, 17:00 UTC

Key Details

Fitting: B22
Type / colour: Smart; multicolour; dimmable
Pack size: 1

What We Like

16 million colours and 2500–6500K whites
Dimmable, Alexa/Google, no hub needed

Considerations

Fits B22 bayonet fittings only

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Best smart bulb twin pack

Tapo L530B B22 Smart Bulbs, 2 Pack

A two-pack of the same B22 smart bulbs for matching a pair of lamps or fittings.

This pack holds two Tapo L530B B22 bulbs for £19.57. Each gives 806lm at 60W equivalent, with 16 million colours, 2500–6500K whites, dimming, Alexa and Google support and no hub. It suits bedside lamps or a pair of ceiling fittings, though single bulbs cost less per bulb.

Price£19.57Checked 6 Nov 2026, 17:00 UTC

Key Details

Fitting: B22
Type / colour: Smart; multicolour; dimmable
Pack size: 2

What We Like

Two matching bulbs with colour and dimming
Alexa/Google, no hub needed

Considerations

£9.79 per bulb, against £7.49 for a single

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