10%OFFSign-Up
Sign-Up
Verified Top Pick10% Off Your First Order With Email Sign-Up
Signing up to Costack Spices' emails on its home page sends a code for 10% off a first order, as shown on costack.uk on 29 October 2026.
Limited Time Offer
Costack Spices Discount Codes and Offers
10% off your first order and free UK delivery on orders over £35
4 active offers available for Costack Spices UK
FREEDELIVERY£35+
£35+
VerifiedFree UK Delivery On Orders Over £35
Standard delivery to mainland UK and Northern Ireland is free on orders over £35; below that, mainland delivery starts at £1.99 by parcel weight, and business-day orders are dispatched within 24 hours, as stated on Costack's shipping policy on 29 October 2026.
Limited Time Offer
£3.99SeasoningPrice
Price
VerifiedComplete And All Purpose Seasoning From £3.99
In the UK view of costack.uk, Complete Seasoning, All Purpose Seasoning, Vegetable Seasoning and Seafood Stock Powder start at £3.99, Mild Curry Powder at £2.99 and Dried Thyme at £5.50, as shown on 29 October 2026.
Limited Time Offer
£8.50LemonPepper
Pepper
VerifiedLemon Pepper Seasoning For £8.50
A single bottle of Costack Lemon Pepper Seasoning costs £8.50, and Fish and Seafood Seasoning, Ground Ginger and Onion Granules start at £8.50, in the UK view of costack.uk on 29 October 2026.
Limited Time Offer
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Member Perks
Partner Offers & Coupons
Extra codes from partner brands, refreshed alongside this store's offers.
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theeventscalendarThe Events Calendar Elite $599 A Year
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Ellouze 1870 UKNewsletter Sign-Up For Exclusive Offers
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Snack Variety USSnack Variety 160 Snacks Gift Box For $89.95
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Meg Rivers UKFree Mainland UK Delivery On Orders Over £159
Expires : Limited Time OfferGet Deal
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The Tea Spot USSipping Club Tea Subscription $19.95 A Month
Expires : Limited Time OfferGet Deal
The Complete Costack Spices UK Savings Guide
A practical savings guide for shoppers using Costack Spices UK offers.
Is there a Costack Spices discount code?
No public discount code was shown on costack.uk on 29 October 2026. Signing up to the newsletter on the home page sends a code for 10% off a first order.
Costack prices
In the UK view, Complete Seasoning, All Purpose Seasoning, Vegetable Seasoning and Seafood Stock Powder start at £3.99, Mild Curry Powder at £2.99 and Dried Thyme at £5.50. Lemon Pepper, Fish and Seafood Seasoning, Ground Ginger and Onion Granules start at £8.50, and most blends also come in 3-packs and 5-packs. Bundles and monthly boxes are listed too, though several were sold out on 29 October 2026. Each product page lists the full ingredients, and some savoury blends contain flavour enhancers such as E621.
Costack delivery
Standard delivery to mainland UK is free on orders over £35; below that it starts at £1.99, charged by parcel weight. Northern Ireland costs £5.85 under £35 and is free above it, the EU has a flat £15 rate, and the rest of the world £40, free over £200. Orders placed on a business day are dispatched within 24 hours, and UK delivery takes 2 to 3 working days. Klarna and Clearpay are offered at checkout.
Offers on this page were checked on the shop's own website on 29 October 2026.
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