Forest Timberdale 8 x 12 ft Tongue & Groove DD Four Windows Shed

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Unleash the potential of your garden with this tastefully designed Timberdale 8 x 12 ft tongue and groove double door four windows shed. 

Crafted from watertight, interlocking smooth planed boards, the tongue and groove construction lends durability and aesthetic appeal. Robust and stable, the boarded floor effortlessly bears the weight of your tools and outdoor equipment, providing an enduring foundation for your storage needs.

A defining feature is the inclusion of two doors, ensuring convenient access, especially for bulkier items. These sturdy doors, reinforced with double "Z" framing, offer unmatched strength and security. Paired with a premium rim lock door latch, it provides an added layer of protection for your stored items.

Four opening toughened safety glass windows, with high-quality stainless steel catches, allow for ample ventilation, creating a fresh and airy interior environment.

This shed is crafted from mixed softwood and proudly displays an FSC certification, underscoring our commitment to sustainable sourcing. Its modular panel design and included instructions streamline the self-assembly process, making it a user-friendly experience.

Above, the strong, long-lasting and weatherproof roof, built from timber boards and topped with high-quality green mineral felt, ensures optimal protection against the elements. Complementing its functional features, the shed sports an attractive smooth planed finial and barge board, adding to its overall charm.

Promising years of service, the pressure-treated timber offers rot and fungal decay resistance, assuring a 25-year guarantee. The added advantage? No need to retreat, making it a cost-effective and time-saving solution for your garden.

Key Features

  • Premium, sturdy and attractive tongue and groove construction from watertight interlocking smooth planed boards  
  • Robust and stable pressure treated boarded floor
  • Two opening toughened safety glass windows for added ventilation with high-quality stainless steel catches
  • Premium rim lock door latch for added safety and security
  • Sturdy doors braced with double "Z" framing for added strength and security
  • Complete with two doors and four windows
  • Constructed from mixed softwood
  • Modular Panel Design
  • Self-assembly is made easier with the instructions that are included
  • Strong, long lasting and weatherproof roof constructed from timber boards and high quality green mineral felt
  • Attractive smooth planed finial and barge board
  • Manufactured from FSC certified timber from sustainable sources
  • Pressure treated timber, guaranteed against rot and fungal decay for 25 years
  • No need to retreat; cost-effective and time-saving


Base Depth: 354cm (11ft 7in)
Base Width: 236cm (7ft 9in)
Brand: Timberdale
Cladding: Tongue & Groove
Cladding Thickness: 12mm
Door Size (W x H): 141.3cm x 163.4cm (4ft 8in x 5ft 4in)
Door Type: Double
External Depth (inc Roof Overhang): 365.2cm (12ft)
External Eaves Height: 185.1cm (6ft 1in)
External Ridge Height: 241.2cm (7ft 11in)
External Width (inc Roof Overhang): 251.8cm (8ft 3in)
Floor Material: Tongue & Groove Boards
Floor Thickness: 12mm
Framing: Planed all round
Framing Size: 33mm x 33mm
Glazing Thickness: 4mm
Guarantee: 25 Years
Internal Depth: 354cm (11ft 7in)
Internal Height: 232.8cm (7ft 8in)
Internal Width: 236cm (7ft 9in)
Locking System: Rim Lock
Material: Wood
Roof Covering: Green Polyester felt
Roof Material: Tongue & Groove Boards
Roof Thickness: 12mm
Roof Type: Apex
Treatment: Pressure Treated
Weight: 373kg (822lb)
Window Material: Toughened Safety Glass
Window Quantity: 4

Select Your Options

Delivery & Installation Services

Home Delivered

Home Delivered (TPA812DDM4WHD)

Your new Timberdale product delivered directly to your home, ready for you to self-assemble in the garden. Full instructions and fixings are included with mostly pre-assembled parts for quicker assembly.
  • 13% Off
  • Save £310.00

Installed (TPA812DDM4WIN)

Includes delivery of your Timberdale product, followed by installation on a future day thereafter. This service is the assembly of the product and does not include base preparation or disassembling existing buildings. A flat, solid base area must be pre-prepared. Not available within areas excluded from home delivery.
  • 10% Off
  • Save £282.00

Your Selected Options:

  • Home Delivered

£1,989.99 inc. VAT

Delivery Information

Fast Free Delivery within Mainland UK.

We offer fast and free delivery within mainland UK on our Forest Timberdale sheds.

Delivery Period
Delivery will typically be made within 3 - 5 working days for the majority of mainland UK locations (exclusions apply - see below for details).

For the majority of mainland UK locations, Forest Timberdale sheds are delivered to your home directly by the manufacturer. In this instance you will receive a message by phone or email with details to manually book in a chosen delivery date.
For limited areas of south east England, limited areas of the south west England, and Scotland, Forest products are delivered by a third party carrier. In this instance, the carrier will contact you directly to book a delivery date once your order is ready at their delivery centre.

  • Deliveries to the below postcode areas can take up to 7 working days extra, on top of the advertised lead-time:
    BN1-BN3, BN5-BN18, BN20-BN27, BN41-BN45, BR8, CB1-CB4, CB6-CB8, CO1-CO16, CT1-CT21, EX1-EX24, EX31-EX39, GU6, GU28, IP1-IP33, ME1-ME20, NR1-NR35, PE14-PE30, PE38, PL1-PL29, RH6-RH20, TN1-TN40, TQ1-TQ14, TR1-TR20, TR26-TR27.
  • Deliveries to southern and mainland Scotland can take 5 - 10 working days extra, on top of the advertised lead time.
  • Deliveries to northern Scotland can take up to 10 working days extra, on top of the advertised lead time.

 Unfortunately, we are unable to deliver outside of mainland UK, including to offshore isles, Northern Ireland, the Republic of Ireland or to any other country.

If you have purchased an installation service with us, available on selected Forest branded sheds, structures and buildings then this is completed after successful delivery of the product and is generally completed within 1 - 2 weeks following. After successful delivery, you will be contacted directly by the installers to book in an installation date. Please ensure that you have checked the delivery for all components and keep in a safe, dry place until the installation occurs.

Unfortunately, installation is not available to the following postcodes: BT1-BT99, GY1-GY9, HS1-HS9, IM1-IM9, IV41-IV56, JE1-JE5, KA27-KA28, KW15-KW17, PO30-PO41, PO49, TR21-TR25.

Vehicles We Use
Items will be delivered on larger lorries which can get to most places it's typically, a 7.5-ton lorry which is about the size of a dustbin lorry, this will depend on the item that is being delivered and should you have any concerns with restricted access to your property we ask you to contact us prior to placing an order.

Unloading Of Your Delivery
Due to the nature of this product, delivery will be made to the front of the property to the nearest location. Our drivers will not carry these items inside your home or back garden. When the item is delivered on a pallet, the pallet and packaging are non-returnable and the goods can only be manoeuvred on a flat and level surface (i.e. not a gravel driveway) by a pallet truck. On some occasions, the driver will split the package to assist with the manoeuvring of the item. Once you are happy, we will ask you to check the condition of the goods and sign for the delivery. Assistance with unloading may be required.

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