# MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove

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

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/mi-flues-136_derwent_dims.webp?v=1787910188)

 

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.](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/mi_fires_install_derwent.pdf?v=1788347839 "Install Guide")

### Liner Kit (Optional)  
  

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/LINER_KIT.png?v=1788437904)

**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

## Details

- **Price:** 498.15 GBP - 738.15 GBP
- **Vendor:** Mi Fires
- **Type:** wood stove

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No | 498.15 GBP | In stock |
| Yes | 738.15 GBP | In stock |

## Images

- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove
- MI Fires Derwent Wood Burning / Multifuel Ecodesign Stove

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> Source: [Pro-Line Direct](https://prolinedirect.co.uk/products/derwent-wood-burning-multifuel-ecodesign-stove)
> Updated: 2026-09-07