Light & Dimmer Switches Repair, Replacement and Installation

We offer a wide range of electrical work, including dimmer switches repair and installation and light switches replacement etc. Our team of experienced, Certified Electricians can help you with any electrical needs that you may have. From new light switch installation, to repairs and upgrades, our team will ensure that your electrical system is up to code and working safely and efficiently.

Types of switches used in UK Homes

The most common type of switches used in UK homes are single pole, 3-way switch,4-way switches, intermediate switches, and dimmer switches.


Single-Pole switch

In the UK, a single-pole switch is a common type of electrical switch which has one switch pole and is used to control a single circuit.

It is usually used to turn a light or other electrical device on or off. Single-pole switches are commonly used in homes and businesses, and are available in a wide range of styles and finishes to suit any décor.


3-way and 4-way switches

3-way switches are used in the UK to switch a light from two separate locations, such as from the top and bottom of a staircase or from either side of a room. The switch has three terminals and the wiring is slightly more complicated than for a single-pole switch. 

4-way switches are also used in the UK to switch a light from three separate locations, such as from the top, middle and bottom of a staircase or from the left, middle and right side of a room. 


Dimmer switch

The most common type of dimmer switch used in the UK is a rotary dimmer switch. This type of dimmer switch is typically used to control the intensity of light in a room, either through an analogue dial or digital control. Other types of dimmer switches available in the UK include touch dimmers, touchless dimmers, and remote control dimmers.


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Four types of lighting switches

Toggle/Rocker switch

Toggle / Rocker switch

This switch is most commonly used for controlling a single light or a group of lights. It has two positions, on and off, and is operated by flipping the switch up or down.

They are easy to operate and can be used to control multiple devices from one switch. They can be used to dim lights, control fans, and turn on and off appliances.

Dimmer switch

Dimmer switch

This switch allows you to adjust the brightness of a light. It typically has a knob or slider that you can use to adjust the amount of light.

These are commonly referred to as rotary dimmers and slide dimmers. Rotary dimmers have a knob that is turned to adjust the light intensity, while slide dimmers have a slider that is moved to adjust the light intensity. We can assist your if you need help installing or replacing dimmer switch in your home!

Push-button switch

Push-button switch

This switch is often used to control multiple lights and is operated by pushing a button.The most common type of push-button switch used in the UK is the illuminated toggle switch, which is designed to turn on and off with a single press.

Push-button switches are often used in domestic, commercial, and industrial applications and are available in a variety of shapes, sizes, and colors.

Timer switch

Timer switch

This switch allows you to preset the time for when your lights will turn on and off. It is usually used for outdoor lighting or for controlling lights in a room that you don’t use often.

This is helpful for reducing energy consumption and saving money on electricity bills. They are also used for providing convenience and safety, as they can be set to turn lights on and off at specific times, making it easier to remember to turn lights off when leaving a room.

Common dimmer switch problems


Dimmer Switch Buzzing

Dimmer switch buzzing is a common problem that can occur when installing a dimmer switch. In most cases, the buzzing is caused by a loose connection, an incompatible dimmer switch, or a dimmer switch that is not compatible with the type of light bulbs it is controlling.The buzzing noise is usually caused by a loose connection in the wiring or incompatible dimmer switch. 

To fix this problem, contact us today for light switches repair or dimmer switches replacement.


Dimmer Switch not Dimming

There are a few possible solutions when a dimmer switch turns on but doesn’t dim. First, make sure the dimmer switch is compatible with the bulbs installed. Second, check the wiring to make sure it is connected properly. Third, make sure the dimmer switch is rated for the correct wattage of the bulb.

Finally, check for any loose connections or faulty wiring. If all else fails and you dimmer switch not dimming problem continues, then it may be time for new dimmer switch installation.


Dimmer Switch not Working after Replacing Bulb

If you have replaced the bulb and the dimmer switch is still not working, the issue could be with the dimmer switch itself. Check to make sure the dimmer switch is compatible with the type of light bulb you are using. If it is, then it could be a wiring issue. Check the wiring for any loose connections or frayed wires, and tighten or replace them if necessary. If the wiring looks good, you may need a dimmer switch replacement itself.

How to fix a light switch

Light Switch Replacement:

Light Switch Replacement:

If your new dimmer light switch not working then one way to fix a light switch is to replace the switch altogether. You will need to turn off the power to the switch first, then remove the switch cover plate and screws that hold the switch in place. Pull the switch out of the wall and disconnect the wires from the old switch. Connect the wires to the new switch, then reattach the switch to the wall, and secure the switch cover plate with the screws. Finally, turn the power back on to the switch and test the new switch.

Cost to replace light switch

The cost of replacing a light switch can vary depending on the type of switch being replaced, the size of the switch, and the type of wiring used. Generally, a basic light switch replacement can range from £5 to £20.


Replace light switch

£ 75

install a new light switch

£150 -£200 

Day Rate for an Electrician

£ 320

Faulty dimmer switch symptoms

Dimmer switch troubleshooting can cause a variety of symptoms, including flickering lights, buzzing or humming noises, or lights that won’t turn off or on.

Flickering Lights:

Flickering Lights:

The most common symptom of a faulty light switch is flickering lights. This can be caused by a loose connection or a malfunctioning switch. Common causes include faulty wiring, a defective light switch or fixture, a failing light bulb, or a problem with the electrical circuit

If the flickering persists, it is important to have an electrician investigate the issue to prevent potential hazardous conditions.

Electrical Buzzing or Humming - Electricain in London

Buzzing or Humming:

Another common symptom of a faulty dimmer switch is a buzzing or humming noise. This can be caused by a loose connection, or by a switch that is not rated for the wattage of the bulb. To fix this issue, you should check the wiring, make sure the circuit breaker is working properly, and replace any faulty light fixtures. If the issue continues, don’t hesitate to reach out to us for a light switches repair or new light switches installation.

Lights Won t Turn Off or On - Electrician in london

Lights Won't Turn Off or On:

If the lights won’t turn off or on, it could be a sign of a faulty dimmer switch. This can be caused by a bad connection, or by a switch that is not rated for the wattage of the bulb. 

The most common are a faulty switch, a blown fuse, a tripped circuit breaker, or a faulty light bulb. It is also possible that the wiring in the home is faulty or was not installed properly. If the problem persists, it is best to contact our experienced electricians for assistance.

Electrical Burning Smell - Electrician in London

Burning Smell:

If you detect a burning smell coming from the dimmer switch, this is a sign of an electrical overload. This can be caused by a switch that is not rated for the wattage of the bulb, or by a bad connection in the wiring.

If you notice a burning smell, immediately turn off the power to the light fixture and unplug any appliances or electronics near it. If it is safe, check the wires and connections to make sure they are secure and in good condition. If not, contact our qualified electricians for a light switch repair.


Yes, you can replace a light switch yourself. However, you should make sure you know what you are doing and follow all safety precautions. Additionally, it is recommended that you turn off the power to the area where you are working before beginning the replacement.

No, light switches come in a variety of types, with different wiring configurations.

No, it is not typically cheaper to use a dimmer switch. Dimmer switches are more expensive than regular switches, and they also require more energy to operate. This can result in increased energy costs.

It depends on the type of dimmer switch. Some dimmer switches will require three wires, while others can be used with just two wires.

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