2 Year guarantee - Free fast delivery

Delivery & Returns

Free delivery in 1 - 3 working days

  1.  ▼ Delivery & Tracking 

    Standard delivery is free and will arrive within 1 - 3 working days from our UK factory. Please give a delivery address where goods can be signed for during the working day. 

    - Full lamps and bottles are sent with DPD, see here for tracking info.

    - Small accessories like bulbs (orders under £25) are sent with first class Royal Mail. This service is untracked.

    - Orders to Northern Ireland and the Channel Islands are sent with Parcel Force, see here for tracking info.

    Next day delivery is charged at a standard rate of £5 per delivery for all orders placed before 1 pm Monday - Thursday. Orders placed by 1 pm on Friday will be delivered on Monday. Orders placed on Saturday or Sunday will be delivered on Tuesday. All next day deliveries are sent with DPD, see here for tracking details.

  2.  ▼ Shipping outside the UK


    Sorry, we can't currently ship to the Republic of Ireland, we expect to resume supply later in the year.


    Please visit the relevant country website by selecting your country from the drop-down menu at the top of the page. We are currently unable to deliver to individuals in Greece and Cyprus. 


    We are currently unable to deliver to the USA and Canada but expect to have a limited range available soon. Please sign up to our USA mailing list here to be notified when shipping begins.


    We are currently unable to deliver to individuals in Asia.


    Please email export@mathmos.com.

  3.  ▼ Covid-19 Updates

    Mathmos is open and we have now put in place all the recommended safeguards. Your order will come to you directly from our factory in Poole, Dorset where we hold good stocks.

    For further information: Covid-19 FAQs

Platinum Star Customer Service

  1.  ▼ 2 Year Shop Direct Guarantee

    For your peace of mind products purchased exclusively via Mathmos.com are guaranteed against manufacturing defects for 2 years from the date of purchase. If a manufacturing defect is found, we will be happy to repair or replace your product, including all delivery charges. Items purchased through other retailers are guaranteed against manufacturing defects for 1 year from the date of purchase.

    A manufacturing defect is defined as any fault in the product’s materials or workmanship, which is present at the time of receipt. Damages caused as a result of the following conditions are not classed as manufacturing defects, and will not be covered by our guarantee:

    - Bulbs over 1-year-old

    - Accidental damage

    - Acceptable (normal) wear and tear

    - Damage caused by abuse or negligence

    We will not guarantee products that have not been used or maintained in accordance with the instructions eg;

    - Lava lamp bottles that have been moved whilst hot.

    - Products which have been modified or repaired by anyone other than Mathmos

     - Products purchased as pre-owned refurbished or sold as seen

  2.  ▼ Faulty Product

    Mathmos prides itself on high-quality products that have passed all the relevant safety and quality standards. However, if you think there is something wrong with one of our products please follow this 2 step process;

    1. Visit the F.A.Q. (Frequently Asked Questions) tab on the relevant product page. It may well be that your issue is solved here.

    2. If this does not solve your problem and if your product is within the 2 year guarantee period (Mathmos.com customers only), please contact our team of product experts here and they will advise you what to do next. To ensure that we can deal with your enquiry as efficiently as possible please include; your order number, a picture of the product showing the problem, a description of the problem and the date you noticed the problem. 

    NB. Please do not return your product without contacting us first and waiting until we advise you further.

  3.  ▼ Returns

    We hope you are delighted with your product from Mathmos. However if for any reason you are not satisfied with your product you have 30 days to return it to us and we will be happy to process a refund.

    During the Christmas season products dispatched by Mathmos.com from 18th October 2020 to 25th December 2020 may be returned to us until 31st January 2021.

    You will need to pay the return shipping costs yourself unless you purchased from Mathmos.com using your PayPal account then you are eligible for PayPal's "Return Shipping On Us" service, see below. All returns must be in a resaleable condition (in their original packaging, unused and securely packaged).

    Please follow Mathmos' 5 Step Returns Procedure;

    1. Contact Us

    You must contact us before returning your product; let us know your name, the product for return, the order number and your email address. You can use one of these ways of contacting us;

    - Online Cancellation Form


    2. Fill Out The Returns Advice Form

    You will find this on the reverse side of your dispatch note, or print again here. Please fill out all of the details clearly.

    3. Pack The Product Securely

    Pack your product securely and make sure you place the returns form in the package.

    - Allow your lava lamp to cool for at least 24 hours before packing it (if you have turned it on to see the colour).

    - Use as much as possible of the original packaging.

    - If parts of the internal packaging are damaged use appropriate packing materials such as strong cardboard and bubble-wrap to ensure the product arrives in a like-new condition.

    - Protect the plug pins with a suitable material such as bubble wrap or newspaper.

    - Protective material should be wrapped around the base and cap to protect them from scratching, the lead can then be wrapped around the outside of the base.

    - Remember lava lamps are made of glass so must be packed very securely. 

    NB. All returns must arrive at Mathmos in the condition in which they were received; unused, undamaged and returned in the original packaging. If the product is not returned to us in fully resalable condition, we reserve the right to refuse or reduce the refund on the item.

    4. Send Your Product Back

    Mathmos does not accept responsibility for goods that are lost or damaged in transit, so we recommend you pack your items securely and keep your proof of postage.

    You can use either;

    Post Office - Affix the address label at the bottom of the Returns Advice Form to the outside of your package, take it to the Post Office and send to us. This is not a pre-paid label so you will need to pay return postage. Please retain your proof of postage.


    Collect Plus (UK only) - Affix the address label to the outside of the package then return the products to us using Collect Plus by clicking here. This link will allow you to pay £6.29 by PayPal or card (for a 2-5kg parcel) and print a PDF label to attach to the outside of the package. When it's dropped off at any of the Collect+ locations a receipt will be issued as proof-of-postage and you will be given a tracking code to follow it online.

    If you purchased from Mathmos.com using your PayPal account then you are eligible for PayPal's "Return Shipping on Us" service, see below.

    5. Refund Processed by Mathmos 

    All refunds will be processed within 2 weeks of the item being received at our factory; most will be processed in 3 - 5 days. If you have not received your refund within 2 weeks, please contact us at returns@mathmos.com with tracking information for the return so we can investigate.

    NB. We are only able to refund items brought directly from Mathmos. Mathmos products purchased from other retailers should be returned directly to the retailer. 

    For more information on cancelling your order, please see our Terms and Conditions.

  4.  ▼ Free Returns with PayPal

    If you are returning an unwanted product to us for a refund and you ordered from Mathmos.com using your PayPal account you can obtain a refund for your postage from PayPal on the “Return Shipping on Us*” service if you follow this procedure;

    1. Follow Mathmos' 5 Step Returns Procedure, see the "30 Day Returns" button above. Make sure you retain the proof of postage.

    2. Log into your PayPal account once you have received your Mathmos product refund.

    3. In your PayPal Account, select the transaction, and click the ‘Request return shipping refund’ link. Fill out a refund request and provide your posting receipts to the PayPal Return Shipping on Us service.

    4. Make sure you complete the claim form within 30 days of making your purchase.

    5. Remember to attach/upload your proof of postage.

    6. Submit your claim to PayPal.

    If your claim is approved by PayPal, they will send a refund of up to £15 to your PayPal account within 10 business days.

    * PayPal terms & conditions apply.


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