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Wood Burning

Lucy Tunnel Wood Burning Fireplace Insert – 12kW

  • SKU LUCY/12/T/BLACK

£3,124.00 inc VAT

In Stock

Estimated Delivery Date
Order today for delivery between Thursday 30 July - Wednesday 5 August

The Lucy Tunnel 12kW is a modern double sided wood burning fireplace insert designed to heat two spaces at once. Its tunnel design creates a striking visual connection between rooms while delivering powerful and efficient heat output. Advanced combustion technology ensures a cleaner burn, better efficiency and lower emissions. This is a bold architectural fireplace that combines performance with contemporary design.

In Stock

Free Delivery Orders over £300
5 Year Warranty Manufacturer backed
Fast UK Delivery Nationwide fulfilment
Secure Checkout Protected payments

Description

Lucy Tunnel Wood Burning Fireplace Insert 12kW

The Lucy Tunnel is a powerful double sided wood burning fireplace insert designed to deliver high performance heating with a bold architectural presence. With its tunnel design, it allows the fire to be enjoyed from two separate spaces, making it ideal for open plan layouts or installations between adjoining rooms. It combines strong heat output with a clean, contemporary finish that suits modern interiors.

At its core, the Lucy Tunnel is built for efficiency. The combustion chamber is lined with Termotec, a heat retaining material that helps maintain high temperatures for longer and improves overall burn quality. A dual deflector system extends the path of the flue gases, ensuring more complete combustion and better energy use while reducing emissions.

Air is supplied entirely from outside through a dedicated 125 mm intake, giving you better control and more stable burning conditions. A single air control system keeps operation simple and precise, while the integrated air curtain directs airflow across the glass to keep it cleaner for longer and maintain a clear view of the flames.

Designed with both performance and safety in mind, the insert is built from high grade steel and finished to exacting standards. Heat resistant ceramic glass rated up to 660°C ensures durability, while the solid construction and precision welding provide long term reliability. Adjustable feet and a movable flue outlet make installation more flexible and straightforward.

The result is a refined and highly efficient double sided fireplace that brings warmth, atmosphere and architectural impact to any space. Backed by robust engineering and modern combustion technology, the Lucy Tunnel is designed for homes that demand both style and substance.

General data
  • Nominal power (kW) 12
  • Heating power range (kW) 12
  • Thermal Efficiency (%) 80
  • Flue gas temperature (oC) 270
  • Max billet length (cm) 35
  • Minimum required active area of inlet grilles (cm2) ≥700
  • Minimum required active field of outlet grilles (cm2) ≥900
  • diameter of the flue gas outlet
  • Air intake diameter (mm)
  • COLOUR Black
  • CLOSING No
  • Materials Steel
Energetic efficiency
  • Energy class A
  • EEI 105.4
  • Seasonal Energy Efficiency (%)
  • Heat output for space heating (kW) 12
  • CO emission (at 13% O2) ≤ given in % 0.1
  • CO emission (mg/m3)
  • Pollen emission (mg/m3) 15
  • NOx emission (mg/m3)
  • OGC emission (mg/m3)
  • Flue gas mass flow (g/s)
Certifications / Compliance
  • Certificates Ecodesign,Designed for recuperation,KRATKI PRO,BImSchV 2
Additional information
  • Equipment Air intake - built in ,Decorative glass,Ashpan,Combustion chamber lining
  • FRONT Steel front with painted glass
  • Fuel type Seasoned deciduous wood (humidity ≤20%)
  • Number of pieces in a package. 1
  • EAN 5902539500653
Physical parameters
  • Width (cm) 65.4
  • Height (cm) 128.7
  • Depth (cm) 42
  • Weight (kg) 165

Warranty

All products sold by Halcyon Fireplaces are brand new and supplied by Halcyon Fireplaces as an authorised retail partner of KRATKI.

Eligible products are supplied with the applicable KRATKI manufacturer warranty, subject to the manufacturer’s official warranty terms and any product-specific exclusions.

KRATKI provides:

  • A 5-year manufacturer warranty covering the proper functioning of the fireplace or stove from the date of purchase.
  • A 1-year manufacturer warranty covering fireplace grates and seals.

The manufacturer warranty does not cover heat-resistant ceramics, including fireplace glass, except where otherwise stated in the applicable warranty terms.

To maintain the validity of the manufacturer warranty, the appliance must be installed, operated and maintained in accordance with the manufacturer’s instructions and all applicable UK building, ventilation and chimney regulations.

Halcyon Fireplaces will assist customers with valid warranty claims and, where appropriate, liaise with KRATKI on the customer’s behalf.

The manufacturer warranty is provided in addition to, and does not affect, your statutory rights under UK consumer law.

Returns and Refunds

At Halcyon Fireplaces, we want you to be satisfied with your purchase. Due to the size, weight and specialist nature of fireplaces, returns must be handled carefully.

To request a return, please contact us within 30 days of delivery.

For online consumer orders, your statutory cancellation rights include the right to notify us that you wish to cancel within 14 days of receiving the goods. You then have a further 14 days to return the goods.

Returned items must be kept in good condition and, where reasonably possible, returned with their original packaging, pallet and protective materials.

Fireplaces that have been installed, connected, used or damaged after delivery may not be eligible for a change-of-mind return. This does not affect your rights where goods are faulty, damaged on arrival, incorrectly supplied or not as described.

Halcyon Fireplaces can arrange collection from your property at a pre-agreed date. The cost of collecting a non-faulty change-of-mind return will be confirmed before collection and may be deducted from the refund where permitted by law.

No collection charge or restocking charge will apply where goods are faulty, damaged on arrival, incorrectly supplied or not as described.

Where returned goods show handling beyond what would reasonably be permitted when examining them in a shop, we may make a lawful deduction for any reduction in value.

Refunds

Refunds will be processed after the returned goods have been received or collected and inspected.

Refunds will be made to the original payment method.

Where the statutory cancellation right applies, refunds will be issued within 14 days of receiving the returned goods or receiving acceptable evidence that the goods have been returned.

Where applicable, the original standard delivery charge will also be refunded. Additional charges paid for an enhanced or expedited delivery service are not refundable beyond the cost of standard delivery.

Banks and card providers may take additional time to display the refunded amount.

Important Notes

Fireplaces are heavy and are often delivered on pallets. For safety and to reduce the risk of damage, we recommend using the collection service arranged by Halcyon Fireplaces.

Any collection cost or deduction will be explained clearly before the return is completed.

Nothing in this policy limits or excludes your statutory rights.

FREE standard UK delivery is available on orders over £300. Orders below £300 are charged £10.

Most fireplaces are delivered on a pallet using a kerbside delivery service. The driver will unload the order to the nearest safe and accessible point outside the property but cannot move the fireplace inside.

Most orders are dispatched within 3–5 working days unless a different lead time is shown on the product page. Deliveries are normally made Monday to Friday between 9:00am and 5:00pm.

Please make sure there is suitable vehicle access and that someone is available to accept the delivery. Additional charges may apply for missed deliveries, unsuitable access or late changes to delivery arrangements.

Smaller items and accessories may be sent separately by Royal Mail, Parcelforce or another suitable courier.

For full delivery terms, access requirements and important information, please visit:

https://halcyonfireplaces.co.uk/delivery-information/

Nothing in this information affects your statutory consumer rights.

Why Shop With Us

Why Choose Halcyon Fireplaces?

Genuine KRATKI Products

Authentic fireplaces and accessories supplied through an authorised KRATKI Retail Partner.

UK-Based Business

Based in Hertfordshire with knowledgeable UK customer and technical support.

Secure Payments

Shop confidently using trusted and encrypted payment methods.

Fast UK Delivery

Reliable nationwide delivery with clear updates throughout your order.