
Prostko Promo Code Black Friday 2026 - 40% OFF
prostko.co.uk
4 offers to explore · Updated
SAVE ON YOUR NEXT ORDER
Latest Prostko Coupon Code
Popular codes: up to 10% off
Common Prostko codes from the offers we've collected, shared for reference only. A code isn't guaranteed to work, so check the offer's terms at checkout.
Shop at prostko.co.uk →New Customer Discount on Ventilation & Fly Screens at Prostko
Special Offer: 40% off Garden Tools
Savings: 80% off Specification with Prostko Sale
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Recently Expired Prostko Coupon Code
Past promotions for reference. These offers may no longer be redeemable.
Amazing Savings on Your Purchases
View past code
DeanSave Up to 70% on Rigid Pipes
Shipping at no charge for Orders over £100 Within UK
SUBSCRIBE and GET WEEKLY BEST DEALS
Save 35% on One Key at Prostko
Popular Prostko Coupon Code
| Code | Discount | Offer | Expires |
|---|---|---|---|
| 10off | 10% OFF | Save 10% on Your First Order | Nov 20, 2026 |
| Deal | Up to 25% | New Customer Discount on Ventilation & Fly Screens at Prostko | Dec 27, 2026 |
| Deal | 40% OFF | Special Offer: 40% off Garden Tools | Nov 23, 2026 |
| Deal | 80% OFF | Savings: 80% off Specification with Prostko Sale | Nov 21, 2026 |
About Prostko
Prostko Ltd is a UK-based online supplier of building materials, plumbing supplies, ventilation systems, tools, car accessories, home decor, hardware and electrical supplies. Founded in 2015, it sells to individual DIY customers and to professional tradespeople across the country, keeping a wide inventory at competitive prices. Its stock covers construction supplies, DIY materials, fasteners, safety equipment, hand tools and power tools, so most of what a project needs can be found in one place.
Delivery is nationwide, and orders over £100 ship free. Returns are accepted within 30 days as long as the product is unused and comes back in its original condition with the packaging; once an item has been used, it cannot be returned. After a return is approved, the refund is processed within 24 hours.
Shoppers pay by debit card, and refunds are issued to a credit card or a PayPal account.
Merchant information
Confirm current details directly with the merchant.
- Contact
- Contact
- prostkoltd@gmail.com
- Official social profile
- https://www.facebook.com/prostkoltd/
How to Use Prostko Promo Codes at Checkout
Codes go into the promo code box at the Prostko checkout; deals need no code.

Choose a code
Pick a code from the list above. Its details give the discount and any conditions, such as a minimum spend or an end date.
Reveal and copy it
Select Show Code. A window opens with the full code, a Copy code button and a link to prostko.co.uk.
Apply it at checkout
Add your items at prostko.co.uk, then paste the code into the promo code box in your basket or at checkout.
Check the total
Make sure the discount shows in the order total before you pay. If it does not, the order may not meet one of the code's conditions.
Ways to Save at Prostko
Does Prostko have a refer-a-friend discount?
Yes, Prostko runs a Refer a Friend scheme in which existing members who bring in new members receive a £10 Costco shopping voucher plus a free Kirkland Signature Hot Dog & Soda. The promotion is honoured in-warehouse at any of the 29 Costco UK locations, and the vouchers cannot be redeemed online. Both the existing member and the new member have to go to a Costco UK warehouse membership desk and tell the staff about the offer; the referrer shows a membership card, and the friend needs valid ID to sign up.
Is there a sign-up discount available at Prostko?
Yes, Prostko new customers can take 10% off their first order of ventilation and ducting products, though ongoing discounts are given little prominence. 5% off coupons can be found on third-party sites, and a direct visit to the website may turn up sign-up promotions.
Does Prostko offer free delivery?
Yes, Prostko ships free within the UK on orders over £100. EU orders also qualify for free shipping, with delivery typically taking 5-7 days.
Questions About Prostko Promo Codes
Why might my Prostko promo code not work?
On this page, 2 offers are for new customers only. A code also fails when the basket has excluded items or the promotion has ended.
Which Prostko promo code gives the biggest discount?
10off gives the biggest discount on this page, 10% off. It is for new customers. The biggest deal, 80% off, needs no code.
When do Prostko promo codes expire?
All 4 offers have an end date. The next to end is 10off, on Nov 20, 2026.
Can I combine Prostko promo codes?
No offer on this page says whether it can be combined with others. Checkout normally takes one code per order.
Prostko Returns and Refunds
Free return window
30 days.
What can be returned
The product must be unused, in original condition, with packaging, once used, no returns are allowed.
Refund timing
Refund processed within 24 hours after approval.
Refund method
Credit card or PayPal account.
Payment Methods at Prostko
Prostko accepts Debit card.
