Shop by Light Bulb Fitting Type

Replacing your existing light bulbs with energy efficient low wattage LED bulbs begins with an understanding of which light bulb type will match your home fittings. For example, there are different types of light bulb screw bases, bayonet style caps, and two prong GU10 style bulb caps. In fact, there are over 100 different styles of light bulb type from which to choose.

Lumilife

LUMiLiFe 6W GU10 LED Spotlight - Wide Beam - Dimmable - 550lm - 4000K

  • 110 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 4000K (Cool White)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£2.49
Sale Price
£2.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W GU10 LED Spotlight - 345lm - 4000K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 4000K (Cool White)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Non Dimmable
Regular Price
£1.69
Sale Price
£1.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4W GU10 LED Spotlight - Dimmable - 450lm - 5000K

  • 25000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 5000K (Daylight)
  • 54mmx50mmx50mm
  • 60W Halogen Replacement
  • Dimmable
Regular Price
£2.39
Sale Price
£2.39
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 13.6W B22 Standard GLS LED Bulb - Dimmable - 1521lm - 4000K

  • 100W Halogen Replacement
  • 119mmx60mmx60mm
  • 15000 Hours Life Expectancy
  • 220 Degree Beam Angle
  • 4000K (Cool White)
  • Dimmable
Regular Price
£3.59
Sale Price
£3.59
Regular Price
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP20 - Quick Connect - White

  • 72mm Cut-Out Size Required
  • IP20 Rated - Fire Rated
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
  • White Bezel
Regular Price
£4.49
Sale Price
£4.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.6W GU10 LED Spotlight - Dimmable - 375lm - 4000K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 4000K (Cool White)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 3.6W GU10 LED Glass Spotlight - Dimmable - 345lm - 2700K

  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 36 Degree Beam Angle
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP65 - Quick Connect - White

  • 72mm Cut-Out Size Required
  • IP65 Rated - Suitable For Bathrooms
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
  • White Bezel
Regular Price
£5.49
Sale Price
£5.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W E14 Golf Ball LED Bulb - Dimmable - 470lm - 6500K

  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 40W Halogen Replacement
  • 6500K (Daylight)
  • 78mmx45mmx45mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W E14 Golf Ball LED Bulb - Dimmable - 470lm - 2700K

  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • 78mmx45mmx45mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP20 - Quick Connect - Brushed Nickel

  • 72mm Cut-Out Size Required
  • Brushed Nickel Bezel
  • IP20 Rated - Fire Rated
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
Regular Price
£4.49
Sale Price
£4.49
Regular Price
Unit Price
per 

Lumilife

GU10 (3.6W) 345lm - Warm White - Dimmable (Glass Finish)

  • Dimmable
  • H52mm x W50mm x D50mm
  • Narrow Beam Angle - 36º
  • Replaces 50W Halogen Spotlight
  • Up To 25000 Hours Life Expectancy
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 
Sold Out

Lumilife

LUMiLiFe 4.2W E14 Candle LED Bulb - Dimmable - 470lm - 6500K

  • 102mmx35mmx35mm
  • 25000 Hours Life Expectancy
  • 280 Degree Beam Angle
  • 40W Halogen Replacement
  • 6500K (Daylight)
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4W GU10 LED Glass Spotlight - 345lm - 5000K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 5000K (Daylight)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Non Dimmable
Regular Price
£1.59
Sale Price
£1.59
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W B22 Golf Ball LED Bulb - Dimmable - 470lm - 2700K

  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • 74mmx45mmx45mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 
Sold Out

Lumilife

LUMiLiFe 13W E27 Standard GLS LED Bulb - Dimmable - 1521lm - 6500K

  • 100W Halogen Replacement
  • 120mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 6500K (Daylight)
  • Dimmable
Regular Price
£3.59
Sale Price
£3.59
Regular Price
Unit Price
per 
Sold Out

Lumilife

LUMiLiFe 8.2W E27 Standard GLS LED Bulb - 806lm - 2700K

  • 110mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 60W Halogen Replacement
  • Non Dimmable
Regular Price
£2.19
Sale Price
£2.19
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.6W GU10 LED Spotlight - Dimmable - 375lm - 5000K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 5000K (Daylight)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W E14 Golf Ball LED Bulb - Dimmable - 470lm - 4000K

  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 4000K (Cool White)
  • 40W Halogen Replacement
  • 78mmx45mmx45mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP65 - Quick Connect - Brushed Nickel

  • 72mm Cut-Out Size Required
  • Brushed Nickel Bezel
  • IP65 Rated - Suitable For Bathrooms
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
Regular Price
£5.49
Sale Price
£5.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.6W GU10 LED Glass Spotlight - Dimmable - 375lm - 5000K

  • 25000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 5000K (Daylight)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 

Lumilife

GU10 Tilted Spotlight Fitting - IP20 - Quick Connect - White

  • 85mm Cut-Out Size Required
  • IP20 Rated - Fire Rated
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
  • White Bezel
Regular Price
£5.49
Sale Price
£5.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 2.2W E14 Candle Filament - 250lm - 2700K

  • 15000 Hours Life Expectancy
  • 25W Halogen Replacement
  • 2700K (Warm White)
  • 320 Degree Beam Angle
  • 98mmx35mmx35mm
  • Non Dimmable
Regular Price
£1.69
Sale Price
£1.69
Regular Price
Unit Price
per 

Lumilife

GU10 Tilted Spotlight Fitting - IP20 - Quick Connect - Brushed Nickel

  • 85mm Cut-Out Size Required
  • Brushed Nickel Bezel
  • IP20 Rated - Fire Rated
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
Regular Price
£5.49
Sale Price
£5.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W B15 LED Candle Bulb - Dimmable - 470lm - 2700K

  • 102mmx35mmx35mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 5.5W B22 Standard GLS LED Bulb - 470lm - 2700K

  • 108mmx60mmx60mm
  • 15000 Hours Life Expectancy
  • 220 Degree Beam Angle
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • Non Dimmable
Regular Price
£1.89
Sale Price
£1.89
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 13W E27 Standard GLS LED Bulb - Dimmable - 1521lm - 4000K

  • 100W Halogen Replacement
  • 120mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 4000K (Cool White)
  • Dimmable
Regular Price
£3.59
Sale Price
£3.59
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 5W E27 Golf Ball LED Bulb - Dimmable - 470lm - 6500K

  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 40W Halogen Replacement
  • 6500K (Daylight)
  • 74mmx45mmx45mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 13.6W E27 Standard GLS LED Bulb - Dimmable - 1321lm - 2700K

  • 100W Halogen Replacement
  • 120mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • Dimmable
Regular Price
£3.49
Sale Price
£3.49
Regular Price
Unit Price
per 
Sold Out

Lumilife

LUMiLiFe 8.5W E27 Standard GLS LED Bulb - 806lm - 6500K

  • 110mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 60W Halogen Replacement
  • 6500K (Daylight)
  • Non Dimmable
Regular Price
£2.19
Sale Price
£2.19
Regular Price
Unit Price
per 

Energizer

Energizer 4.2W GU10 LED Spotlight - 345lm - 6500K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • 6500K (Daylight)
  • Non Dimmable
Regular Price
£1.71
Sale Price
£1.71
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 4.2W B22 LED Candle Bulb - Dimmable - 470lm - 6500K

  • 25000 Hours Life Expectancy
  • 280 Degree Beam Angle
  • 40W Halogen Replacement
  • 6500K (Daylight)
  • 98mmx35mmx35mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 5W E27 Standard GLS LED Bulb - Dimmable - 470lm - 2700K

  • 110mmx60mmx60mm
  • 240 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • Dimmable
Regular Price
£1.99
Sale Price
£1.99
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 8.2W E27 Standard GLS LED Bulb - Dimmable - 806lm - 4000K

  • 110mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 4000K (Cool White)
  • 60W Halogen Replacement
  • Dimmable
Regular Price
£2.49
Sale Price
£2.49
Regular Price
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP65 - Quick Connect - Chrome

  • 72mm Cut-Out Size Required
  • Chrome Bezel
  • IP65 Rated - Suitable For Bathrooms
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
Regular Price
£5.49
Sale Price
£5.49
Regular Price
Unit Price
per 
Sold Out

Energizer

Energizer 4.2W GU10 LED Spotlight - 4 Pack - 345lm - 4000K

  • 15000 Hours Life Expectancy
  • 36 Degree Beam Angle
  • 4000K (Cool White)
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Non Dimmable
Regular Price
£6.49
Sale Price
£6.49
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 2.3W E27 Golf Ball Filament - 250lm - 2700K

  • 15000 Hours Life Expectancy
  • 25W Halogen Replacement
  • 2700K (Warm White)
  • 320 Degree Beam Angle
  • 76mmx45mmx45mm
  • Non Dimmable
Regular Price
£2.39
Sale Price
£2.39
Regular Price
Unit Price
per 

Energizer

Candle B22 (2W) 250lm - Warm White - LED Filament

  • Beam Angle - 320º
  • Energy Rating E
  • Non Dimmable
  • Replaces 25W Halogen Bulb
  • Up To 15000 Hours Life Expectancy
Regular Price
£1.49
Sale Price
£1.49
Regular Price
Unit Price
per 
Sold Out

Lumilife

LUMiLiFe 8.8W E27 Standard GLS LED Bulb - Dimmable - 806lm - 6500K

  • 110mmx60mmx60mm
  • 220 Degree Beam Angle
  • 25000 Hours Life Expectancy
  • 60W Halogen Replacement
  • 6500K (Daylight)
  • Dimmable
Regular Price
£2.49
Sale Price
£2.49
Regular Price
Unit Price
per 
Sale

Energizer

Energizer 2.1W G4 LED Capsule - 200lm - 3000K

  • 21W Halogen Replacement
  • 25000 Hours Life Expectancy
  • 3000K (Warm White)
  • 360 Degree Beam Angle
  • 44mmx35mmx35mm
  • Non Dimmable
Regular Price
£1.89
Sale Price
£1.89
Regular Price
£3.79
Unit Price
per 

Lumilife

LUMiLiFe 7.8W R50 (E27) Reflector LED Bulb - 630lm - 4000K

  • 102mmx63mmx63mm
  • 110 Degree Beam Angle
  • 15000 Hours Life Expectancy
  • 4000K (Cool White)
  • 50W Halogen Replacement
  • Non Dimmable
Regular Price
£2.49
Sale Price
£2.49
Regular Price
Unit Price
per 
Sale

Energizer

Energizer 13.5W E27 Standard GLS LED Bulb - 4 Pack - 1521lm - 3000K

  • 100W Halogen Replacement
  • 120mmx60mmx60mm
  • 15000 Hours Life Expectancy
  • 240 Degree Beam Angle
  • 3000K (Warm White)
  • Non Dimmable
Regular Price
£7.99
Sale Price
£7.99
Regular Price
£10.99
Unit Price
per 

Lumilife

GU10 Spotlight Fitting - IP20 - Quick Connect - Chrome

  • 72mm Cut-Out Size Required
  • Chrome Bezel
  • IP20 Rated - Fire Rated
  • Part B C & E Compliant
  • Quick Connector For Easy Installation
  • To Be Paired With GU10 LED Spotlight
Regular Price
£4.49
Sale Price
£4.49
Regular Price
Unit Price
per 

Lumilife

Golf E27 (3.7W) 330lm - Extra Warm White Amber LED Filament - Dimmable

  • Beam Angle - 320º
  • Dimmable
  • H76mm x W45mm x D45mm
  • Replaces 30W Halogen Bulb
  • Up To 15000 Hours Life Expectancy
Regular Price
£2.39
Sale Price
£2.39
Regular Price
Unit Price
per 
Sold Out

Energizer

Energizer 3.6W GU10 LED Spotlight - 4 Pack - Dimmable - 345lm - 3000K

  • 15000 Hours Life Expectancy
  • 3000K (Warm White)
  • 36 Degree Beam Angle
  • 50W Halogen Replacement
  • 54mmx50mmx50mm
  • Dimmable
Regular Price
£7.99
Sale Price
£7.99
Regular Price
Unit Price
per 

Energizer

Energizer 4.9W B22 LED Candle Bulb - 4 Pack - 470lm - 3000K

  • 110mmx38mmx38mm
  • 15000 Hours Life Expectancy
  • 280 Degree Beam Angle
  • 3000K (Warm White)
  • 40W Halogen Replacement
  • Non Dimmable
Regular Price
£5.99
Sale Price
£5.99
Regular Price
Unit Price
per 
Sold Out

Energizer

Energizer 4.9W B22 Standard GLS LED Bulb - 470lm - 2700K

  • 109mmx60mmx60mm
  • 15000 Hours Life Expectancy
  • 240 Degree Beam Angle
  • 2700K (Warm White)
  • 40W Halogen Replacement
  • Beam Angle - 240º
  • Non Dimmable
Regular Price
£2.39
Sale Price
£2.39
Regular Price
Unit Price
per 

Lumilife

LUMiLiFe 5W E27 Candle LED Bulb - Dimmable - 470lm - 6500K

  • 25000 Hours Life Expectancy
  • 280 Degree Beam Angle
  • 40W Halogen Replacement
  • 6500K (Daylight)
  • 98mmx35mmx35mm
  • Dimmable
Regular Price
£2.69
Sale Price
£2.69
Regular Price
Unit Price
per 

LED fitting - understanding the ‘light bulb type’ basics

Although there are many different light bulb type fittings, including popular types of light bulb screw bases, there are three main styles of bulb caps typically used in both home and commercial settings

The ‘bayonet’ light bulb type (B)

Bayonet bulbs are the push and twist style light bulb type, denoted by the letter ‘B‘. For example, ‘B15’ and ‘B22’ - the number denotes the diameter or the fitting in millimetres. B15 bulbs are sometimes known as ‘SBC’, which stands for Small Bayonet Cap.

The ‘Edison screw’ light bulb type (E / ES)

Edison screw bulbs are the screw-in style light bulb type, denoted by the letter ‘E’ (sometimes ‘ES’). For example, ‘E14’ and ‘E27’ - again, the number denotes the diameter of the fitting in millimetres. The differences in size are sometimes known as ‘large Edison screw’ and ‘small Edison screw’.

The ‘two pronged’ light bulb type

Two pronged bulbs are the twist and click style light bulb type, denoted by the letters ‘GU’. These bulbs are used for downlighting/spotlight purposes in both home and commercial settings (certain styles are also available for use in outdoor and wet areas).