E27 LED Bulbs (240v)

Ultra LEDs stock a wide range of E27 lightbulbs which have been expertly developed as a direct replacement for traditional halogen or incandescent bulbs with the Edison screw fitting. Thanks to their lower energy usage and much longer lifespan, LED light bulbs are fast becoming the most popular lighting solution on the market.

From GLS to squirrel cage bulbs, available in various wattages and styles, we are confident we have the right bulb for you. We also stock the widest range of Tagra® professional LED light bulbs, known for its unrivalled quality and unprecedented warranties. Just look out for the Tagra logo.

E27 LED Bulbs (240v)

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What are E27 bulbs?

Lamp ‘caps’ are the part of a bulb which connects it to the light fitting. Named after its creator, the Edison screw cap is one of the most common type of light fixture. E27 bulbs are those with an Edison screw thread of 27mm in diameter – the standard size for Edison screw bulbs. Developed to directly replace inefficient halogen or incandescent alternatives, Ultra LEDs is one of the UK’s largest stockists of E27 LED light bulbs.

With a typical 15-year life span compared to the 2 years expected of halogens and consuming just £2 of energy per year compared to £11 required for halogens, LED E27 bulbs are a much more cost-effective lighting solution in the long-run.

What types of E27 bulbs do Ultra LEDs offer?

We stock a wide range of E27 LED bulbs in various shapes, sizes and degrees of luminosity, including:

Warm white E27 LED bulbs: The warmth of a bulb’s light is measured on the Kelvin scale. For more information about Kelvins see our Kelvin chart below. Warm white E27 LED bulbs are those which have a Kelvin reading of around 2700-3000K, and emit a yellowy glow and are most popular in living rooms and bedrooms.

kelvin chart

Very warm white E27 LED bulbs: These bulbs have a slightly warmer Kelvin reading of 2200k and are best suited for achieving ambient, cosy atmospheres.

Dimmable E27 LED bulbs: Some E27 LED bulbs have dimmable capabilities. When buying an LED bulb with the intention of using it in a dimmable circuit it is important to note that not all LED bulbs are dimmable. Using a non-dimmable LED bulb in a dimmable circuit could result in malfunctions such as flickering, buzzing and even damage to the bulb or the dimmer.

GLS E27 LED bulbs: An acronym for ‘general lamp shape’, GLS LED bulbs are similar in shape to traditional incandescent bulbs. However, GLS LED bulbs are much more energy-efficient than incandescents whilst offering an equivalent luminosity. GLS E27 LED bulbs are therefore often a popular choice when replacing old standard bulbs in the home.

Squirrel Cage E27 LED bulbs: Sometimes referred to as 'pear' or 'tear drop’ bulbs, squirrel cage bulbs use the 20th century design shape combined with 21st century LED technology to offer a cost-effective alternative to traditional incandescent bulbs.

Globe E27 LED bulbs are ideal as part of a feature lighting design or as a decoration above a dining table, offering a warm, ambient light. Available in sizes up to 125mm in diameter, Globe bulbs are available with an E27 cap fitting and offer dimming capabilities.

Golf Ball E27 LED bulbs: These classic round bulbs are best suited for custom small light fixtures such as bedside lamps or desk lamps. They are available in all cap fittings including standard Edison Screw and many are dimmable.

Candle E27 LED bulbs: These bulbs are designed to mimic the shape of a candle’s flame and are typically used in decorative lighting. Available in various brightnesses and sizes with a standard ES fitting. 

Pygmy E27 LED bulbs: Named due to their small size, pygmy bulbs are often used in decorative pendant lighting such as in chandeliers. Available from 1.6w to 3.2w, they offer a delicate, ambient light. 

Tinted Glass E27 LED Bulbs – Some E27 bulbs are available with a tinted finish to the glass, creating a vintage effect. These tinted E27 bulbs are a great feature in bars and restaurants. Available in smoke or gold tinted squirrel cage varieties with the standard Edison Screw fitting.

FAQ

Are ES and E27 the same?
Yes; ‘ES’ is short for Edison Screw, and the standard Edison screw thread has a diameter of 27mm which is also referred to as E27.

Edison screw fittings are available in several sizes, the most common of which are:

Small Edison Screw (SES or E14) – with a 14mm diameter
Intermediate Edison Screw (IES or E17) – with a 17mm diameter
Medium Edison Screw (MES or ES or E26) – with a 26mm diameter
Standard Edison Screw (ES or E27) – with a 27mm diameter
Giant Edison Screw (GES or E40) – with a 40mm diameter

Can I use an E27 bulb in an E26 socket?
Yes, although there is 1mm difference between the two bulbs, these bulbs/sockets can be used interchangeably. However, we recommend using bulbs with the corresponding sockets where possible. In general it is safe to use an E27 bulb in an E26 socket but using an E26 bulb in an E27 socket may result in an electrical safety hazard.

This is because prior to LED bulbs, incandescent bulbs would only operate on a particular voltage level – 120v in the US and 240v in Europe. 120v incandescent bulbs used E26 fittings whereas the European variant used E27.

Because LED bulbs can be compatible with a wide range of voltages many LED bulbs can operate on any voltage between 90v and 240v, and most E26 and E27 bulbs can be used interchangeably. However, because E26 bulbs are designed to use a lower voltage they offer less insulation and subsequent protection against short circuits or electrical fires.