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Large Tinderbox on Log Box, 5kW, ECODesign with single storey extension kit (137-LLG-TBOX-single)

Discover the ultimate eco-friendly wood-burning stove solution with our Large Tinderbox on Log Box, 5kW, ECODesign featuring a single storey extension kit. Designed with efficiency, sustainability, and contemporary style in mind, this package delivers exceptional heat output within a compact, modern design. Benefit from our free design service and experience a hassle-free installation process that makes your living space warm, inviting, and environmentally responsible.
🛠 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 £1,265.99
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

    High efficiency wood-burning design that delivers reliable warmth

    EcoDesign approved for environmentally friendly heating

    Compact single storey extension kit optimised for small spaces

    Integrated Cleanburn and Airwash systems ensure clean combustion

    Free design service available to help plan your ideal installation

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, July 25th. 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]

Large Tinderbox on Log Box, 5kW, ECODesign :: with single storey extension kit :: with single... Discover the ultimate eco-friendly wood-burning stove solution with our Large Tinderbox on Log Box, 5kW, ECODesign featuring a single storey extension kit. Designed with efficiency, sustainability, and contemporary style in mind, this package delivers exceptional heat output within a compact, modern design.

Benefit from our free design service and experience a hassle-free installation process that makes your living space warm, inviting, and environmentally responsible.

Features & Benefits

5kW Nominal Heat Output

Provides ample, efficient heat for smaller spaces while keeping energy bills in check.

EcoDesign Compliance

Environmentally friendly performance that meets the latest eco standards.

Single Storey Extension Kit

Eases installation in compact or single-storey dwellings for a seamless retrofit.

Integrated Cleanburn System

Reduces particulate emissions and ensures optimal fuel use for a cleaner home.

Free Design Service

Expert advice available to ensure your new stove fits perfectly with your homeu2019s style and layout.

SKU: 137-LLG-TBOX-single

Need a complete stove & installation kit?

Stove on its Own
Stove on its Own £1,049.99
View Package
Inside Kit
Inside Kit £1,975.99
View Package
Up & Out Kit
Up & Out Kit £2,075.99
View Package
Chimney Kit
Chimney Kit £1,075.99
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 for the Large Tinderbox on Log Box, 5kW, ECODesign is designed for efficient integration within single-storey dwellings. Although we do not offer on-site installation, our free design service ensures your installation is perfectly planned. Refer to the main image (https://nationalflues.com/assets/137-llg-tbox_magnify-single.jpg) to see the design in detail. The kit is ideal for indoor setups, optimizing space without compromising on performance.

The stove has an impressive efficiency rating of 80.4%, making it one of the most efficient stoves of its size in the UK.

Yes, this stove is exempt from Smoke Control Area regulations, making it ideal for use in both urban and rural settings.

This stove boasts an A+ Energy Rating, ensuring it is environmentally friendly and economical to run.

The stove is proudly designed and assembled in the UK, guaranteeing top-notch quality and craftsmanship.

The Large Tinderbox on Log Box has very low emissions with only 14% Dust Particles, making it an eco-friendly choice.

Yes, the log box provides a handy space to store your logs, keeping your fireside area tidy and organized.

The stove has a heat output of 5kW, providing ample warmth to any living area.

What our experts say!

"The Large Tinderbox on Log Box is a top-tier wood-burning stove that combines efficiency and elegance. Proudly designed and assembled in the UK, it meets the highest ECODesign 2022 standards, making it the perfect addition to any home. Reliable nationwide delivery and dedicated support for retail and trade customers make this an excellent choice."

This product is a high-efficient wood-burning stove designed to provide both efficient heating and an eco-friendly solution to any living space.

National Flues is a leading supplier of fireplaces and flues in the UK, catering to both retail and trade customers with reliable delivery and competitive pricing.

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