From €26

Marienburg® Organic Oak Lumpwood Charcoal 8.5kg

Steady Heat. Longer.

If you’ve cooked over charcoal long enough, you’ll know that not all fires behave the same. Some burn fast and fade quickly. Others struggle to build proper heat. And when you're cooking for longer sessions, or for more people, that inconsistency becomes the biggest frustration.

Oak behaves differently.

Our 8.5kg Oak Lumpwood is produced from responsibly sourced European hardwood and designed for longer, more stable cooking sessions, where maintaining heat matters as much as lighting quickly. Whether you're hosting a full afternoon BBQ, slow cooking over indirect heat, or running a busy grill, Oak gives you a steady foundation to cook with confidence.

Using carefully controlled carbonisation processes, the Oak lumpwood develops a dense, high-carbon structure that burns slower and holds heat for longer. This allows the fire to settle into a stable cooking environment, reducing the need for constant refuelling and making temperature control easier throughout the session.

The larger, restaurant-grade pieces help create strong airflow from the start, allowing you to build a consistent bed of heat. This is the same behaviour valued in professional kitchens, where fuel needs to perform predictably during long service periods without sudden drops in temperature or excessive smoke.

In flavour, Oak delivers a slightly deeper smoke than Alder, while still remaining clean and balanced. It pairs particularly well with red meats, vegetables, and longer cooks, where a steady heat and gentle smoke can enhance flavour without overpowering the food.

The 8.5kg bag holds enough fuel for extended BBQ sessions and larger grills, making it a natural step up when shorter cooks turn into full afternoons around the fire.

🔥 94% fixed carbon for stable heat
💨 2.9% volatiles for controlled burn
✨ 2.4% ash for cleaner cooking
💧 5% moisture for clean ignition
📦 Approx. 60L of dense oak lumpwood
♻️ No chemicals or binders
🌍 Every bag supports 1% for the Planet

 
£29.00
 
 

We have recently moved to Ireland from South Africa, where we were spoiled with great wood and charcoal for barbeque (Braai). I have been searching and trying all kinds of local replacements, but could not find any that satisfy until now. My search is over! The charcoal burns with almost no smoke, and no, there is no taste or smell transferred to the meat. — Gerhard (customer)

 
 
 

Performance. Oak behaves differently from lighter woods. With its dense structure, high fixed carbon (94%), and higher energy value, it builds a strong base of heat that holds steady for longer sessions, reducing the need for constant refuelling. Chefs value this stability during service, where consistent temperatures matter more than fast ignition, especially for grilling meats, slow cooking, or extended BBQs. For home cooks, this translates into a calmer, more predictable fire that lets you focus on cooking rather than managing the fuel.

Use. Ideal for kettle barbecues, ceramic grills, kamado cookers, and open grills where steady heat and longer cooking sessions matter. Oak performs particularly well for indirect cooking, slow grilling, and extended BBQs, where maintaining temperature is more important than quick ignition. Whether you're cooking a full afternoon for family or managing a busy service, the consistent burn makes it easier to hold heat and cook with confidence. For outdoor use only.

Bag Size. Packed in an 8.5kg recyclable paper bag.

Storage. Always store your lumpwood indoors in a dry area and reseal it between uses to preserve the quality.

Produced from European oak sourced from responsibly managed forests, this lumpwood is made using traditional hardwood species valued for their density and performance. The wood is selected from regulated forestry regions, where harvesting is controlled and aligned with long-term forest management practices. Because better fuel starts with better wood, we focus on sourcing hardwoods that are not only effective to cook with, but responsibly produced from the beginning.

Contents comply with the Air Pollution Act Regulations. Registration No. F0087–01.

This product meets Ready to Burn standards, ensuring low moisture content for a cleaner, more efficient burn with reduced smoke.

 

Crafted for Change

Sustainable by nature

EcoFamily™ makes every order more rewarding — points earned with every purchase, savings earned over time. Join EcoFamily rewards.

This 8.5kg bag is available for delivery throughout Ireland and Northern Ireland.

Depending on your order size or location, deliveries are handled either by our in-house team or through trusted courier partners such as DPD. Each order is hand-packed and prepared for travel, so no loose fuel or split bags arrive at your doorstep.

The larger pallet orders are delivered kerbside through our trusted logistics network, supporting chefs and commercial kitchens that rely on consistent lumpwood supply 12 months of the year.

Learn more about our delivery service.

We stand behind every product with 30-day free returns and a full money-back guarantee.

Read our returns policy to learn more.

A selection of ECOFUEL™ products is available now at B&Q stores across Ireland — sustainably sourced, clean-burning, and ready for your next fire.

Find Oak Wood BundleBox®, EcoBriquettes™, Pinikay Heat Logs, Kiln-Dried Kindling, Organic Lumpwood Charcoal, and Forno1889® Beechwood Pizza Briquettes in-store.

Where To Buy

Supporting Irish native forests through 1% for the Planet and Hometree.

Giving Back Where It Matters Most

Every order helps restore Ireland’s wild woodlands — one acre at a time.