The Grill Box Fire Cooking System

Konro Grills and the Grill Box Fire Cooking System

Cooking over charcoal has long been at the heart of great food, from Japanese yakitori stalls to modern live fire restaurants. The Grill Box Konro Grill brings this style of cooking to the UK with a beautifully engineered stainless steel charcoal grill designed for serious fire cooking.

Manufactured in Somerset, England, the Grill Box combines the intense radiant heat of a traditional konro grill with the versatility of a modular cooking system. Used on its own it performs as a powerful Japanese style hibachi grill, while additional frames allow it to expand into a complete fire cooking setup for robata grilling, asado cooking and flat top plancha cooking.

Whether you’re cooking in an outdoor kitchen, backyard or professional restaurant environment, the Grill Box Fire Cooking System delivers exceptional control when cooking over charcoal and glowing embers.

Built in Britain for Serious Fire Cooking

Every Grill Box grill is designed and manufactured in Somerset, using premium materials and precision engineering.
The grills are constructed entirely from 304 and 316 stainless steel, with thicknesses ranging from 2 mm to 8 mm, creating an exceptionally strong and durable cooking platform built for the intense heat of charcoal cooking.
Inside the firebox, the Grill Box is insulated with 25 mm vermiculite fire bricks, made from natural materials and selected for their excellent thermal performance. Vermiculite has very low thermal conductivity and can withstand temperatures of up to 1000 °C, helping the grill maintain stable cooking temperatures while improving fuel efficiency.
The result is a grill that delivers intense heat, durability and precise control when cooking over charcoal or wood embers.

The Foundation: Grill Box Konro Grill

At the heart of the system sits the Grill Box Konro Grill, the central firebox that powers the entire Grill Box range.

Konro grills are designed to concentrate heat within a narrow cooking chamber, producing powerful radiant heat that is ideal for skewers, seafood, vegetables and high heat grilling.
Used on its own, the Grill Box functions as a Japanese style konro or hibachi grill. When combined with additional frames and accessories, it becomes the foundation of a versatile fire cooking platform.
Explore the core grill:
• Grill Box Konro Grill

Expand Your Cooking Style

The modular design of the Grill Box allows cooks to expand the grill with specialised cooking frames designed for different fire cooking techniques.

Asado Style Cooking

The Grill Box Asado Frame introduces adjustable height grilling, allowing the cooking surface to be raised or lowered above the fire.
This provides precise control over cooking temperature and is ideal for cooking larger cuts slowly over glowing embers.

Explore:
• Grill Box Asado Frame

Robata Style Grilling

Robata grilling originates from Japan and uses multi level grilling to cook ingredients at different distances from the fire.

The Grill Box Robata Frame allows food to be positioned across several cooking levels, making it ideal for skewers, seafood and vegetables cooked over charcoal.

Explore:
• Grill Box Robata Frame

Specialist Cooking Surfaces

The Grill Box system also includes interchangeable cooking surfaces designed for different ingredients and cooking techniques.
These frames can be easily swapped depending on what you are cooking.
Available cooking surfaces include:

• Grill Box Plancha Frame
• Grill Box V Grill Frame
• Grill Box Flat Bar Grill Frame
• Grill Box Bar Grill Frame
• Grill Box Mesh Grill Frame
• Grill Box Skewer Frame
Each surface offers a different approach to cooking over charcoal, from flat top cooking to traditional grill bars.

Fire Management and Ember Cooking

Cooking over charcoal often benefits from managing the fire separately from the cooking surface.
The Grill Box Ember Maker allows cooks to generate glowing embers independently from the grill, ensuring a clean and consistent charcoal fire during longer cooking sessions.

Explore:
• Grill Box Ember Maker

Cooking Infrastructure
The Grill Box range also includes equipment designed to support more advanced fire cooking setups.

Grill Box Grill Stand
Allows cooking frames to be used independently over an open fire rather than directly above the Konro firebox.

Grill Box Stainless Steel Grill Table
Provides a stable preparation and cooking surface for outdoor kitchens, restaurant service or catering environments.

Build Your Grill Box Setup in Three Steps
The Grill Box system is designed to grow with your cooking style.

Step 1 — Start with the Grill
Begin with the Grill Box Konro Grill, the firebox that powers the entire system.

Step 2 — Choose Your Cooking Style
Add a cooking frame depending on the techniques you want to explore.
• Grill Box Asado Frame
• Grill Box Robata Frame

Step 3 — Expand Your Cooking Surfaces
Complete your setup with specialised cooking frames.
• Plancha Frame
• V Grill Frame
• Flat Bar Grill Frame
• Mesh Grill Frame
• Skewer Frame

Learn More About Fire Cooking
If you’re new to konro or robata style grilling, these guides will help you get the most from your Grill Box system.

What is a Konro Grill?
Learn how traditional Japanese konro grills work and why they produce such intense radiant heat.
Read the guide →

Robata vs Konro Grills Explained
Discover the differences between robata grilling and konro cooking and how each technique influences flavour and heat.
Read the guide →

Best Charcoal for Konro Grills
Choosing the right charcoal can dramatically improve heat control and flavour when cooking over fire.
Read the guide →

Sustainable Charcoal and Fire Cooking Accessories
To complement the Grill Box system, Eat Alfresco also offers a range of sustainable British charcoal, smoking woods and fire cooking accessories designed for serious charcoal grilling.

Designed for Home Cooks and Professional Kitchens
With its clean stainless steel construction and modular design, the Grill Box Fire Cooking System is equally suited to:
• outdoor kitchens
• restaurants and catering
• street food setups
• backyard cooking and entertaining
The flexibility of the system allows cooks to move easily between different fire cooking styles while maintaining the precision and control required for charcoal grilling.

Fast UK Delivery
All Grill Box products are in stock and ready for fast UK delivery.