The MI-Fire Derwent Large Multi-Fuel Stove is a substantial cast iron stove designed to deliver strong 8kW heating performance, multi-fuel flexibility and classic fireside character for larger spaces. With its 79.4% efficiency, A energy rating, Ecodesign 2022 compliance and Smoke Control Area Exempt status, it offers a practical solution for customers wanting a more traditional-looking stove with modern compliance and the ability to burn more than one approved fuel type.
Built in full cast iron, the Derwent Large has the robust, enduring feel many customers still associate with a proper traditional stove. Cast iron construction not only gives the appliance a timeless visual weight, but also contributes to the stove’s ability to retain and radiate heat effectively. In this larger format, that classic construction helps the stove feel especially well suited to more generous rooms and fireplace settings where a smaller appliance may lack the same visual and heating presence.
As a multi-fuel stove, the Derwent Large provides useful everyday flexibility, allowing customers to choose between different approved fuel types depending on preference and availability. Its 8kW rated power makes it a strong option for larger living rooms, farmhouses, country properties and other interiors needing a stove with greater heat output than a standard 5kW model can typically provide. At the same time, its Ecodesign 2022 compliance and Smoke Control Area Exempt status ensure it remains aligned with more current performance standards.
The stove is described as being among the most efficient appliances of its size in the UK, with very low dust particle output for its category. Combined with its 79.4% efficiency and A energy rating, this gives the Derwent Large a useful balance between traditional cast iron stove appeal and more modern clean-burning credentials.
At 100kg, the stove has a reassuringly substantial build. It is also suitable for a 12mm hearth, which can be an important advantage in the right setting. Clearance distances to combustibles and non-combustibles, along with hearth and furniture projection requirements, are clearly stated to support installation planning. This model is currently listed as out of stock, with more due in soon.
Key Features
- 8kW multi-fuel stove
- Full cast iron construction
- 79.4% efficiency
- A energy rating
- Ecodesign 2022 compliant
- Smoke Control Area Exempt
- Large-format stove design
- Traditional cast iron styling
- Flexible approved fuel use
- Suitable for 12mm hearth
- Strong heating presence
Expert Insight
A larger cast iron multi-fuel stove like the Derwent often works best where both room size and fireplace scale need a more substantial appliance. The combination of higher output and classic full cast iron construction makes it especially suited to homes where the stove is expected to be both a major heat source and a strong visual feature.
Suitability
The MI-Fire Derwent Large Multi-Fuel Stove is well suited to larger living rooms, country homes, farmhouses, and interiors wanting a more traditional cast iron stove with stronger output and multi-fuel flexibility.
Installation / Technical Notes
The MI-Fire Derwent Large offers 8kW rated power, 79.4% efficiency, and an A energy rating. It is Ecodesign 2022 compliant, Smoke Control Area Exempt, and built from full cast iron. It weighs 100kg. Distance to combustibles is Side: 580mm, Back: 380mm, Corners: 470mm, and distance to non-combustibles is Side: 75mm, Back: 50mm. Hearth projection is Front: 400mm, Side: 150mm, and distance to furniture is Front: 1370mm. This stove is suitable for a 12mm hearth. It is currently listed as out of stock, with more due in soon.
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