Daylight D15800 18W Energy Saving Daylight Bulb (Screw Fitting)

Daylight D15800 18W Energy Saving Daylight Bulb (Screw Fitting)


SKU : D15800

EAN13 : 5022737158002

Daylight bulb that screws into the lamp and designed to use 80% less energy than tradional bulbs 

£10.92 £9.10
In stock
  • 10 Available
  • Estimated UK Delivery Time: Next Day

Free UK Delivery on orders over £75 including VAT


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Product Information

  • Optimise eye health and vision and see colours as they really are. This Daylight bulb is designed to screw into its fitting and uses up to 80% less energy than a regular bulb. 
  • It has an average life span of approximately 15,000 hours (over 600 days) and produces 1,800 lumens.
  • This bulb is non-dimmable and its energy consumption is 18W. 
  • The Daylight D15800 bulb is CE certified. 

Technical Details

Colour Rendering Index [CRI] 80+
Colour Temperature 6500°K
Bulb Type Bulb
Dimmable No
Fitting Type ES
Lumens 1800 lm
Power Consumption 18 W

Customer Questions & Answers

Customer Questions
Is the D15800 an LED bulb?
Yes this is an LED bulb.
What is the CRI?
The CRI value is 80.
Does it have E14 or E27 screw cap?
This daylight bulb has an E27 (ES) fitting.
Is the D15800 bulb suitable for the D21098 Daylight Lamp?
The replacement bulb for D21098 would be the D15500 but yes, the D15800 would also fit this lamp.
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Delivery and Returns

UK Delivery

We offer free standard delivery (2-3 days) on all orders over £75.00 including VAT (orders that weigh over 10kg could be subject to delivery costs).

Orders under £75.00 including VAT will be charged for UK delivery at a rate of £4.95 + VAT.

Next working day delivery is also available at a flat rate of £16.67 + VAT for items held in stock. This service will require someone to be at the delivery address to sign for your parcel, otherwise it will be delivered to an access point for collection. The cut off point for next working day delivery is 2.30pm Monday to Friday.

International Delivery

Rates and delivery times will vary depending on the country and delivery zone. Shipping rates and VAT exemptions will be calculated at the checkout, although orders that weigh over 5kg could be subject to additional delivery costs when the order has been processed. We will get in contact with you should delivery costs exceed our estimations before shipping the items.

Following the trade agreement between the United Kingdom and the EU, all goods sold from the UK to EU customers will not incur VAT at the point of sale. VAT will be paid by the customer to the customs agent before the goods are delivered at the customers country of situ VAT rate. There will also be additional duties and disbursement fees to be paid before the goods are delivered, which will vary item to item. Please note no refunds will be issued for returned goods due to the customer not paying any of the additional costs.

Please see our shipping and returns page for shipping costs to the destination country from our warehouse.


We are happy to accept items returned to us within 14 days of purchase and in this case we offer an exchange or a full refund via your original payment method, once we receive the items and process them in our warehouse.

Any returns which fall outside this 14 day time period may be considered on a case-by-case basis at our discretion and may be refunded as a credit against a future purchase. All items must be returned to Heamar in the same condition in which they were shipped and in a saleable condition. Heamar reserves the right to refuse a return if it is determined that the item has been used and then returned for any reason other than being ‘faulty’. The buyer is responsible for return postage unless the item is faulty.

For more information on ordering, shipping and returns, please click here.