Selecting the Best LED GU10 Halogen Replacements
Replacing your low-voltage MR16 or GU10 halogen bulbs with dimmable LED GU10 spotlights will save money on your power bill, reduce your carbon footprint, and give you a product with a longer life. The following guide aims to help you become more energy efficient.
In this guide we’ll help you:
- Quickly establish the wattage comparison between Halogen and LED GU10’s.
- Understand whether your existing fittings will work.
- Establish whether you need a new dimmer switch.
- Choose between our top selling dimmable and non-dimmable GU10’s.


Wattage Comparison Table
Naturally, you want your new LED GU10 spotlight to give you the same bright light as your existing halogen GU10 bulb. In the early years of LED, light output was questionable, but due to advancements in technology, it’s fair to say that you can expect pretty much the same Lumen output from your LED’s – without having to break the bank either.
Here is an at-a-glance table that shows the equivalent LED GU10 wattage:
Halogen GU10 |
LED GU10 |
30w | 3w |
40w | 4 - 6w |
60w | 6 - 8w |
75w | 8w |
100w | 12w |
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Can I replace like-for-like bulbs?
The quick answer is yes - the longer answer is it depends on a) the bulb type and b) whether you are currently using a dimmable halogen circuit and switch.
Most non-dimmable GU10 Halogen bulbs can be easily replaced with an equivalent GU10 LED as electrical current conversion happens at the bulb. Only certain bulb types do not do this and may need additional drivers to convert the AC current to DC.
Please call us or speak to a qualified electrician should you wish to clarify which bulbs these are or have any concerns you are fitting a bulb which may not be compatible with your existing fittings.


“We regularly update older halogen downlights with new LED downlights. We recommend clients do not overly rely on one form of lighting such as downlight and neglect other forms and positions of lighting.”
Claudia Dorsch
Claudia Interiors
Dimmer Switch Compatibility
Buying a dimmable LED GU10 spotlight to replace a dimmable halogen GU10 doesn’t guarantee your current dimmer switch will work due to the vast difference in bulb wattage between the two technologies.
We have two great resources for you to read on this subject:
- The Best GU10 Dimmable LED ’s – Learn about the differences between leading and trailing edge switches, check out our best sellers and the cost differences between dimmable and non-dimmable bulbs.
- Stopping your LED’s from flickering, buzzing, glowing and burning out - One of our most popular articles on the blog. Get everything you need to know before replacing your Halogen bulbs.
Our Best-Selling Halogen Replacements
Here are our current best-selling dimmable halogen replacement spotlights.
Dimmable GU10 LED's
Non-Dimmable GU10 LED's
Brand |
Wattage |
Colour |
Lumens |
Life Span (hrs) |
|
JCB | 3W | 6500K | 250 | 10,000 | View Now |
Sylvania | 5w | 3000K | 345 | 15,000 | View Now |
Energizer | 4.2w | 4000K | 345 | 15,000 | View Now |
Energizer | 5.8w | 3000K | 420 | 15,000 | View Now |
JCB | 3w | 3000K | 235 | 10,000 | View Now |
Osram Ledvance | 6.9w | 4000K | 575 | 15,000 | View Now |
LED Colour Temperature Visual


Further Help & Advice
Cost Comparison: LED spotlight versus Halogen spotlight
https://www.thegreenage.co.uk/article/cost-comparison-led-spotlight-versus-halogen-spotlight/
Understanding Colour Temperatures
https://www.lampshoponline.com/advice/guide-led-colour-temperatures
Our Range of GU10 LED bulbs
https://www.lampshoponline.com/catalogsearch/result/?q=gu10+led
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Delivery & Returns
Delivery
- Orders above £65 - free delivery.
- Bulk purchasing options apply to many products listed in our GU10 ranges.
- Royal Mail Tracked 2nd Class - £3.32 + VAT
- Royal Mail Tracked 1st Class - £4.99 + VAT
- Orders with items over 2ft long have a mandatory cost of £7.49 + VAT (Unless the value is over £65.00 + Vat).
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