15′ x 10′ Forest Timberdale 25yr Guarantee Tongue & Groove Pressure Treated Windowless Double Door Apex Shed (4.53m x 3.21m)
Overview
The Forest Timberdale is Britain’s premier wooden shed, handcrafted in Worcestershire and built to last. This 15′ x 10′ apex shed combines superior craftsmanship with practical security features, making it an excellent choice for serious gardeners, workshops, or secure storage. With a market-leading 25-year anti-rot guarantee and pressure-treated construction, this large garden shed requires no ongoing maintenance.
Key Features
- Premium 12mm tongue and groove cladding throughout
- Strapping 28mm x 56mm internal frame for exceptional strength
- 30% more timber than standard sheds for superior durability
- Completely modular design with flexible door positioning
- Windowless design for enhanced security
- FSC-certified, sustainably sourced wood
- Pressure-treated construction with 25-year anti-rot guarantee
- No retreatment required – completely maintenance free
Roof Types
This shed features a traditional apex roof with a high roofline that provides ample headroom and increases your storage options. The 12mm tongue and groove roof is fitted with high-grade, polypropylene-backed felt for unbeatable weatherproof protection. Two diamond-shaped finials add attractive finishing touches.
Dimensions
External dimensions: 15′ x 10′ (4.53m x 3.21m). The generous proportions make this one of our largest garden sheds, offering significant workspace and storage capacity.
Construction
Built from superior 12mm tongue and groove cladding on a robust 28mm x 56mm frame, this Forest Timberdale shed contains 30% more timber than standard sheds. The premium 12mm tongue and groove flooring is equipped to handle heavier items and regular footfall. Pressure-treated bearers beneath the floor allow excellent air circulation, preventing dampness and protecting against rot and fungal decay.
Treatment & Guarantee
The shed is pressure-treated using FSC-certified wood to prevent rot. It comes with an exceptional 25-year anti-rot guarantee – the longest on the market. Retreatment is never required, saving you money and maintenance time while you enjoy your garden.
Doors & Windows
Access is provided via generously sized, ledged and braced double doors featuring exterior turn buttons, interior bolts, and a high-quality rim lock door latch for complete security. The windowless design offers an additional security layer by deterring unwanted attention to your valuables.
Assembly Information
The completely modular design and interchangeable framed sections make assembly far easier than other wooden garden sheds. You have total flexibility over door positioning to create your perfect storage solution. All fixings and instructions are included.
Delivery Information
Forest’s White Glove Delivery Service is available to most UK postcodes. Your shed arrives directly in your garden with all packaging removed. Professional installation is available as an optional upgrade for a competitive price.
Optional Upgrades
Wooden Shed Base Kit: A faster, cost-effective DIY alternative to slabs or concrete. Made from pressure-treated UC4 incised timber with 15-year rot guarantee. Size: 7.5cm (h) x 300.6cm (w) x 442.5cm (d).
Plastic Shed Base Kit: Made from 100% recycled plastic with interlocking design. Contains 54 squares (500 x 500 x 40mm each) plus heavy-duty weed membrane. Eco-friendly and reusable. Allows ventilation and drainage beneath the shed. Note: you must prepare this base yourself before professional installation.
If you’re looking for alternative options, explore our range of garden storage solutions or other metal sheds.
Frequently Asked Questions
How long is the guarantee? The 25-year anti-rot guarantee is the longest available on the market, with no retreatment required.
Is the wood sustainable? Yes, the shed is built using FSC-certified wood, the world’s most trusted mark for sustainable forestry.
Can I change the door position? Yes, the completely modular design allows you to choose exactly where your doors are positioned.
Do I need to treat the wood? No, the pressure-treated construction is maintenance-free throughout the guarantee period.
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