Dunsley Avance 400 Wood Burning Stove
The Dunsley Avance 400 Wood Burning Stove combines contemporary styling with responsive heating performance, creating a versatile option for modern homes. Developed from the larger Avance 500, this compact model brings contemporary living into focus with a large glass window that provides an excellent view of the dancing flames.
With EcoDesign 2022 compliance and an A+ energy rating, the Avance 400 delivers efficient wood burning alongside the atmosphere and visual appeal of a real fire. Dunsley also offers a bolt-on log store, giving homeowners a practical storage option that enhances the overall appearance of the stove.
Contemporary Design with Flexible Installation
The Avance 400 has a clean, modern appearance that works naturally within contemporary interiors. Its construction combines cast iron with high-grade steel plate, giving the stove a robust finish suited to regular use.
Dunsley finishes the stove in metallic black high-temperature paint as standard and offers optional colours, making it easier to coordinate the appliance with different interior schemes.
The Avance 400 also offers flexible installation options. Interchangeable rear and top flue outlets give installers greater choice when planning the stove’s connection to the chimney. Its fully adjustable base allows installers to level the appliance during installation, which can prove particularly useful when working with different floor conditions.
For homeowners planning a new stove installation, understanding the wood-burning stove installation process can help you plan the appliance position and chimney connection correctly. Professional stove installation also helps ensure safe and reliable operation.
Dunsley Avance 400 Wood Stove Responsive Heating Performance
Dunsley designed the Avance 400 to offer a high level of control, allowing you to adjust the rate of burning for both higher and lower heat levels. The slide control provides a responsive way to fine-tune the burn, while small adjustments help you find the ideal setting for your desired rate.
When you burn wood logs correctly, the stove can achieve efficiencies of up to 82.4%. Its nominal 5kW output ranges from 3.5kW to 7kW depending on the weight and type of wood used, giving the appliance a useful range of heating performance.
The stove uses a 5-inch (125mm) diameter fluepipe. Dunsley also gives the Avance 400 HETAS approval and approves it for burning wood logs in smoke control areas, making it a practical choice for homeowners in locations where smoke control requirements apply.
Dunsley Avance 400 Wood Stove Wood Burning and Multifuel Flexibility
The Avance 400 comes ready for wood burning, allowing homeowners to enjoy the natural character and warmth of a real log fire. If you want additional fuel flexibility, you can add the optional solid fuel kit for burning smokeless fuels.
This combination of controllability, installation flexibility, contemporary styling, and optional multifuel capability makes the Avance 400 a versatile choice for modern living spaces.
The large viewing window remains a key part of the experience, giving the fire a strong visual presence while the stove provides practical room heating.
For more information about planning a professional stove installation, see our wood-burning stove installation process. You can also review further technical details in the manufacturer’s official product information and technical documentation.
To find out more about what a professional installation involves, visit our installation process page. For full technical documentation directly from the manufacturer, visit the official Dunsley product pages for the Dunsley Avance 400 Wood Burning Stove.
Dunsley Avance 400 Wood Burning Stove — Technical Specifications
Core Specifications
| Specification | Detail |
|---|---|
| Brand | Dunsley |
| Model | Avance 400 |
| Category | Wood Burning Multifuel Stove |
| Fuel | Wood; smokeless fuels with optional solid fuel kit |
| Nominal Heat Output | 5.0 kW |
| Heat Output Range | 3.5–7.0 kW |
| Total Efficiency | 82.4% (Wood) |
| Energy Efficiency Class | A+ |
| Flue Diameter | 125 mm (5″) |
| Flue Location | Top or Rear |
| Construction | Steel & Cast Iron |
| Maximum Log Length | 250 mm (9¾”) |
| HETAS Approved Appliance | Yes |
| DEFRA Approved | Yes |
| EcoDesign Compliant | Yes |
| Smoke Control Area Approved | Yes |
| Hearth Temperature | 93.8°C |
| Finish | Metallic Black High Temperature Paint |
| Optional Colours | Available |
| Optional Log Store | Available |
| Optional Solid Fuel Kit | Available for Smokeless Fuels |
| Dimensions | See Dimensional Download Below |
Dimensions
| Specification | Measurement |
|---|---|
| Height | 59 cm |
| Width | 43.5 cm |
| Depth | 31 cm |
Weight
| Specification | Measurement |
|---|---|
| Weight | 80 kg |
Clearances to Combustible Materials
| Location | Minimum Distance |
|---|---|
| Side | 600 mm |
| Rear | 500 mm |
Clearances to Non-Combustible Materials
| Location | Minimum Distance |
|---|---|
| Side | 55 mm |
| Rear | 50 mm |
Wood Burning Performance
| Parameter | Test Result |
|---|---|
| Total Efficiency | 82.4% |
| Nominal Heat Output | 5.0 kW |
| Mean CO Emission (at 13% Oâ‚‚) | 0.08% |
| Mean Flue Gas Temperature | 245°C |
| Flue Mass Gas Flow | 4.1 g/s |
| Mean CHm (at 13% O₂) | 100 mg/m³ |
| Mean NOx (at 13% O₂) | 92 mg/m³ |
| DIN Plus Dust (at 13% O₂) | 16 mg/m³ |
Smokeless Fuel Performance
| Parameter | Test Result |
|---|---|
| Total Efficiency | 78.4% |
| Nominal Heat Output | 5.0 kW |
| Mean CO Emission (at 13% Oâ‚‚) | 0.07% |
| Mean Flue Gas Temperature | 319°C |
| Flue Mass Gas Flow | 3.8 g/s |
| Mean CHm (at 13% O₂) | 39 mg/m³ |
| Mean NOx (at 13% O₂) | 103 mg/m³ |
| DIN Plus Dust (at 13% O₂) | 25 mg/m³ |
Temperature Safety Test
| Specification | Result |
|---|---|
| Intended Use | Heating of Domestic Housing |
| Rear Distance from Combustibles | 600 mm |
| Side Distance from Combustibles | 500 mm |
| Hearth Temperature | 93.8°C |
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