
A stylish and efficient multifuel stove designed to deliver dependable 5kW warmth with flexible fuel options. The MI Fires Derwent combines an 80.7% efficiency rating, durable cast-iron construction and clean-burning performance – ideal for homeowners who want traditional stove character with modern heating efficiency.
Why Choose This Model?
The Derwent is an excellent choice if you want a versatile multifuel stove with a classic cast-iron design. Its 5kW heat output makes it well suited to small and medium-sized living spaces, while its 80.7% efficiency and A+ energy rating help make effective use of fuel. A tertiary air system supports cleaner combustion and helps maintain a clear view of the flames, while Ecodesign compliance and DEFRA approval make it suitable for modern homes, including properties in designated Smoke Control Areas.
Key Features
- 5kW heat output – ideal for small to medium-sized living spaces.
- Multifuel capability – burns wood logs and approved smokeless fuels.
- Ecodesign 2022 compliant – meets modern efficiency and emissions requirements.
- Smoke Control Area exempt (DEFRA approved) – suitable for use in designated Smoke Control Areas.
- 80.7% efficiency – delivers dependable warmth while making efficient use of fuel.
- A+ energy rating – excellent energy performance for everyday home heating.
- Cast-iron body and door – strong, durable construction with traditional stove character.
- Tertiary air system – introduces additional air into the fire chamber to support cleaner, more efficient combustion.
- Airwash system – helps keep the viewing glass clearer for a better view of the flames.
- Low dust emissions – produces just 11mg of dust for cleaner combustion.
- Discreet levelling feet – allow the stove to be adjusted for a stable installation.
- Suitable for a 12mm hearth – provides added flexibility when planning your installation.
- Top or rear flue outlet – interchangeable flue options provide greater installation flexibility.
Technical Highlights
- Rated heat output: 5kW
- Efficiency: 80.7%
- Energy rating: A+
- Weight: 65kg
- Dust emissions: 11mg
- Fuel type: Multifuel
- Construction: Cast iron
- Ecodesign 2022: Yes
- DEFRA Approved: Yes
- Flue size: 5-inch (125mm)
- Flue outlet: Top & Rear (Interchangeable)
- External air compatible: No
Specifications
| Guarantee | 2 Years |
|---|---|
| Efficiency | 80.70% |
| Heat Output | 5 kW |
| Energy Rating | A Plus |
| DEFRA Approved | Yes |
| Airwash System | Yes |
| Construction | Cast Iron |
| Flue Outlet | Top & Rear (Interchangeable) |
| Flue Size | 5-inch (125mm) |
| Fuel Type | Wood or Multi Fuel |
| Fuel Grate Type | Multifuel Grate (to burn Wood & Smokeless Coal) |
| Log Length | 300 mm |
| Suitable For 12mm Hearth | Yes |
| External Air Compatible | No |
| Distance to Combustibles - Sides | 600 mm |
| Distance to Combustibles - Rear | 850 mm |
| Product Range | Lakeland |
| Sweep Flue through Stove? | Yes |
| Colour | Black |
| More Colours | No |
| Colour Options | Blacks |
| Finish | Matt |
Product Dimensions

| Overall Width | 438 mm |
|---|---|
| Overall Height | 502 mm |
| Overall Depth | 283 mm |
| Rear to Centre of Top Flue (F) | 107 mm |
| Width to Centre of Top Flue (E) | 219 mm |
| Height to Centre of Rear Flue (D) | 399 mm |
| Stove Window Size (Width mm x Height mm) | 330mm x 250mm |
| Weight | 65 Kg |
Installation Guide
Click here to view the installation guide.
Liner Kit (Optional)

Liner Kit Includes
- 10m 316-grade flue liner
- Pot hanging cowl
- Liner adaptor
- 500mm vitreous stove pipe
- Register plate
- Carbon monoxide (CO) alarm
- Data plate