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Small Tinderbox Multifuel Stove, 5kW, ECODesign with single storey extension kit (137-SMF-TBOX-single)

Discover the ultimate in eco-friendly, efficient heating with the Small Tinderbox Multifuel Stove, 5kW, ECODesign featuring a single storey extension kit. Designed for compact spaces across the UK, this multifuel stove incorporates advanced Cleanburn and Airwash systems for reliable, low-emission heat. Perfect for modern living with easy installation and a free design service, elevate your home’s comfort and style with this top-rated fireplace solution that meets today’s stringent environmental standards.
🛠 What You Get: Premium Stove and Complete Single Storey Installation Kit

Ready for installation. This package includes everything you need to install your stove in a single storey building. Perfect for garden rooms, extensions or one-storey homes. No existing chimney required. Our experts provide a free design service if you need a variation on this system. Give us a call on 01670 206 999 if you think you might need a few changes to this standard kit.

Now only £1,025.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Efficient, eco-friendly heating for small to medium-sized rooms

    Multifuel capability: burns wood and smokeless fuels

    Designed with ECODesign standards to meet stringent UK regulations

    Complete single storey extension kit for compact spaces

    Easy installation backed by our free design service

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 29th. This is based on current lead times for this product. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Best Price Match Guarantee +

We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: [email protected]

Small Tinderbox Multifuel Stove, 5kW, ECODesign :: with single storey extension kit :: with single... Discover the ultimate in eco-friendly, efficient heating with the Small Tinderbox Multifuel Stove, 5kW, ECODesign featuring a single storey extension kit. Designed for compact spaces across the UK, this multifuel stove incorporates advanced Cleanburn and Airwash systems for reliable, low-emission heat.

Perfect for modern living with easy installation and a free design service, elevate your home’s comfort and style with this top-rated fireplace solution that meets today’s stringent environmental standards.

Features & Benefits

Multifuel Operation

Enjoy versatile heating by using both wood and smokeless fuels, giving you flexibility and fuel savings.

EcoDesign Compliant

Meets rigorous EU and UK eco-efficiency standards for reduced emissions and sustainable heating.

Compact Single Storey Extension Kit

Ideal for limited spaces, this kit simplifies installation while maximising performance in snug areas.

Easy Integration

Designed for freestanding installations with seamless connections to flues and chimneys to enhance safety.

Free Design Service

Benefit from professional advice and planning support, ensuring your installation is perfectly tailored.

SKU: 137-SMF-TBOX-single

Need a complete stove & installation kit?

Stove on its Own
Stove on its Own £724.99
View Package
Inside Kit
Inside Kit £1,735.99
View Package
Up & Out Kit
Up & Out Kit £1,835.99
View Package
Chimney Kit
Chimney Kit £835.99
View Package
SKU Product Name Qty
37-125-005 TWPro MB - Flat Adaptor - Ø 125 1
37-125-010 TWPro MB - Pipe 1000mm - Ø 125 3
37-125-011 TWPro MB - Pipe 500mm - Ø 125 1
37-125-112 TWPro MB - Rain Cap with Mesh - Ø 125 1
58-125-096 TWPro MB - Finishing Plate 0°-30° - Ø 125 1
58-125-082 TWPro MB - Storm Collar - Ø 125 1
15-125-067 Roof Support - Ø 125 1
12-7LT MI-Flash - No 7 Metal Black EPDM 152-280mm 355x355 1
32-SK1 Standard Fixing Kit 1
Technical Specifications
Nominal Heat Output5kW
Heat Output Range4-7.5kW
Energy Efficiency RatingA+
Wood Burning Efficiency81%
CO Emissions0.09% @ 13% O2
Maximum Log Length480mm
Flue Outlet5' Top or Rear
Dimensions550mm (H) x 579mm (W) x 383mm (D)
Weight86kg
Eco Design ApprovedYes
Smoke Control ExemptYes
Cleanburn SystemYes
Airwash SystemYes
Direct Air KitOptional
Grate OptionOptional
Package Components Details37-125-005, 37-125-011, 37-125-010, `SKU`, 58-125-082, 37-125-112, 58-125-096, `SKU`, 12-7LT, 32-SK1, 15-125-067 (TWPro MB - Flat Adaptor - u00d8 125, TWPro MB - Pipe 500mm - u00d8 125, TWPro MB - Pipe 1000mm - u00d8 125, `Product_Name`, TWPro MB - Storm Collar - u00d8 125, TWPro MB - Rain Cap with Mesh - u00d8 125, TWPro MB - Finishing Plate 0u00b0-30u00b0 - u00d8 125, `Product_Name`, MI-Flash - No 7 Metal Black EPDM 152-280mm 355x355, Standard Fixing Kit, Roof Support - u00d8 125)
Package Components37-125-005, 37-125-011, 37-125-010, `SKU`, 58-125-082, 37-125-112, 58-125-096, `SKU`, 12-7LT, 32-SK1, 15-125-067
This complete installation kit is specifically designed for the Small Tinderbox Multifuel Stove in its single storey extension variant. While we do not offer an onsite installation service, our free design service ensures that every aspect of your installation – whether inside or outside, in a single or multi-storey setting – is expertly planned and detailed. Please refer to the main image to see the stove in situ and visualise the configuration for your space.

You can burn both wood and smokeless fuels in the Small Tinderbox Multifuel Stove. This flexibility allows you to choose the best fuel option to suit your needs.

Yes, the stove is Smoke Control Area Exempt, meaning it can be used in urban areas that have smoke control restrictions.

The Small Tinderbox Multifuel Stove boasts an impressive 83% efficiency rating, ensuring that most of the heat generated is used effectively.

ECODesign 2022 compliance means that the stove meets stringent European standards for emissions and efficiency, making it an environmentally sound choice that can help you save on fuel costs.

The Small Tinderbox Multifuel Stove has a heat output of 5kW, which is suitable for heating small to medium-sized rooms efficiently.

You can securely purchase the stove online through our website. We offer reliable nationwide delivery, ensuring that your new stove arrives safely and promptly.

Yes, the Small Tinderbox Multifuel Stove comes with a manufacturer's warranty for peace of mind. Please check the specific terms and conditions on our site.

What our experts say!

"Our Small Tinderbox Multifuel Stove sets the standard in efficiency and eco-friendliness. With an 83% efficiency rating and A+ Energy certification, it's perfect for both trade and retail customers. National Flues offers reliable nationwide delivery and the best prices."

The Small Tinderbox Multifuel Stove is designed to provide efficient, eco-friendly heating for small to medium-sized rooms, using both wood and smokeless fuels.

National Flues is a trusted supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK. Known for competitive pricing and reliable delivery, we offer a wide range of products to meet all your heating needs.

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