Chesneys Sanctuary 5WS MK3 Wood Burning Stove
The Chesneys Sanctuary 5WS MK3 Wood Burning Stove combines contemporary styling with highly efficient clean-burning performance, creating a heating solution designed for modern homes and everyday living. Chesneys engineered this model to deliver strong efficiency and very low emissions while still maintaining the visual appeal of a real wood fire.
Its clean lines and understated form give it a refined appearance that fits naturally into a wide range of interiors. It works well in minimalist spaces, yet it also sits comfortably in more traditional room settings. As a result, the Sanctuary range appeals to homeowners who want a modern aesthetic without losing the atmosphere of a classic stove.
The stove can also be specified with brass or steel door furniture and trim. This allows homeowners to tailor the final look so it better matches the surrounding interior design.
Clean-Burning Performance for Smoke Control Areas
The Sanctuary 5WS MK3 meets modern environmental standards while preserving the experience of a traditional wood-burning fire.
Because it is DEFRA-exempt, homeowners can legally use it in smoke control areas across major towns and cities in the UK. This gives flexibility for urban installations where non-compliant stoves would not be permitted.
The stove also produces very low emissions, with performance significantly below the levels permitted for comparable appliances. In addition, it achieves a high efficiency rating of 86.4%, which helps maximise heat output while supporting cleaner combustion.
As a result, the Sanctuary 5WS MK3 delivers both strong heating performance and responsible environmental operation.
Heating Performance for Everyday Comfort
The Sanctuary 5WS MK3 provides reliable heating for smaller to medium-sized living spaces.
It delivers a nominal heat output of 4.9kW and operates within a heat range between 3.5kW and 7kW. This flexibility allows homeowners to adjust performance depending on seasonal demand and room conditions.
Because of this range, the stove works well as a primary heat source in compact rooms or as a supplementary heating option in larger homes. It maintains a steady and comfortable warmth while still delivering the visual appeal of a real flame.
Its high efficiency rating also ensures that more heat remains in the room rather than being lost, which improves everyday performance.
Flexible Installation Options
The Sanctuary 5WS MK3 measures 480mm wide, 652mm high, and 375mm deep. This balanced footprint allows it to integrate into a variety of installation settings, from existing fireplaces to new feature designs.
When fitted, the optional heat shield increases depth slightly by 15mm while also improving installation flexibility.
Standard rear clearance measures 300mm. However, this can be reduced to 200mm with the heat shield installed. When combined with an insulated flue system, rear clearance can be reduced further to 100mm.
These options help installers adapt the stove to tighter or more integrated architectural layouts where space efficiency matters.
Professional installation is strongly recommended. It helps ensure safe operation, correct flue design, and long-term reliability while also supporting optimal performance.
Contemporary Design with Custom Detailing
The Sanctuary range focuses on simplicity, proportion, and visual balance. It offers a modern interpretation of the traditional wood-burning stove while still maintaining a strong sense of warmth and character.
The option of brass or steel detailing allows homeowners to customise the appearance, helping the stove better match surrounding interior finishes. Because of this flexibility, it can adapt easily to both contemporary and more traditional design schemes.
Overall, the Sanctuary 5WS MK3 delivers a strong combination of efficiency, clean combustion, and refined design for modern living spaces.
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 CHESNEYS product pages for the Chesneys Sanctuary 5WS MK3 Wood Burning Stove.
Chesneys Sanctuary 5WS MK3 Wood Burning Stove — Technical Specifications
Core Specifications
The following specifications apply to the Chesneys Sanctuary 5WS MK3 wood burning stove.
| Specification | Detail |
|---|---|
| Heat Range | 3.5 kW – 7.0 kW |
| Nominal Heat Output | 4.9 kW |
| NET Efficiency | 86.4% |
| DEFRA Exempt | Yes |
| Suitable for Smoke Control Areas | Yes |
| Emissions | Produces emissions approximately one tenth of the level permitted for comparable DEFRA exempt stoves |
| Door Furniture Finish | Brass (shown) |
| Alternative Finish Option | Steel |
| Dimensions | See Dimensional Download Below |
Dimensions & Weight
| Specification | Detail |
|---|---|
| Height | 652 mm |
| Width | 480 mm |
| Depth | 375 mm* |
| Weight | 135 kg |
*Depth increases by 15 mm when installed using the optional heat shield.
Distance to Combustibles
| Specification | Detail |
|---|---|
| Rear | 300 mm |
| Rear (with additional heat shield) | 200 mm |
| Rear (insulated flue + additional heat shield) | 100 mm |
| Sides | 400 mm |
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