--- product_id: 191812451 title: "Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m" brand: "project timber" price: "R410553" currency: ZAR in_stock: true category: "Outdoors" url: https://www.desertcart.co.za/products/191812451-project-timber-20-x-12-evolution-insulated-long-window-pent store_origin: ZA region: South Africa --- # Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m **Brand:** project timber **Price:** R410553 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m by project timber - **How much does it cost?** R410553 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/191812451-project-timber-20-x-12-evolution-insulated-long-window-pent) ## Best For - project timber enthusiasts ## Why This Product - Trusted project timber brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size Name:20 x 12 Project Timber Evolution Long Window Pent Garden Room The Evolution revolutionises the garden room. Made using a composite cladding used for its durability and water resistant qualities makes the Evolution the perfect addition to your garden. The Evolution is Versatile meaning the possible uses for the building are endless. Wanting a Garden office to save the commute to work? Wanting a room to relax in and enjoy the evenings? Wanting somewhere the children can go to give you some breathing space? The Evolution has you covered and with it being insulated as standard, it is perfect to use all year round. Features and Specifications Modern Contemporary Look Fully Insulated as Standard Long Fixed Windows and doors, double glazed as standard. Opening Side Windows Black Mineral Felt Roof Covering Material Composite Timber Cladding Material Overall Width : 636.8 Overall Depth : 418.6 Ridge Height (Internal) : 212 Eaves Height (Internal) : 213.5 Door Opening Size (h x w) : H187.7 x W155.6 Width (Internal) with insulation : 595.6 Depth (Internal) with insulation : 360.4 Width (Internal) without insulation : 601.2 Depth (Internal) without insulation : 366 Door Height : 187 Door Width : 77.4 Cladding Thickness : 9 Front Window Dimensions (w x h) : W54.3 x H170 Side Window Dimensions (w x h) : W54.3 x H110.1 Frame Thickness (h x w) : 2.7 x 4.4 Size Available in: 12 x 12 | 14 x 12 | 16 x 12 | 18 x 12 | 20 x 12 ## Features - 10 Year Warranty and Insulation Kit and All Fixings such as screws/tacks/fascias/handles/hinges are Included as are a full set of easy to follow installation instructions. - Handmade British High Quality Build with Optional Floor -11mm T&G as Standard , 19mm or 28mm T&G Floor as Upgrade. - Extremely Durable Cladding, Tested by Nasa with Low Maintenance and Treated Engineered Wood Technology for Long Lasting Performance. - Insulated Wall, Floor and Ceiling with 90mm Overall Panel Thickness and 10mm composite Timber Cladding. - Contemporary Design with Opening Side Windows and Glazed Door - Double Glazed as Standard. ## Images ![Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m - Image 1](https://images-na.ssl-images-amazon.com/images/I/61Tr94PzvCL.jpg) ![Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m - Image 2](https://images-na.ssl-images-amazon.com/images/I/616HjXdGsuL.jpg) ![Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m - Image 3](https://images-na.ssl-images-amazon.com/images/I/61Xf43UhcgL.jpg) ![Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m - Image 4](https://images-na.ssl-images-amazon.com/images/I/61EhSc0GV5L.jpg) ![Project Timber 20 x 12 Evolution Insulated Long Window Pent Garden Room Shed with 19mm T&G Floor 6.09m x 3.65m - Image 5](https://images-na.ssl-images-amazon.com/images/I/61Hp1MXufZL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/191812451-project-timber-20-x-12-evolution-insulated-long-window-pent](https://www.desertcart.co.za/products/191812451-project-timber-20-x-12-evolution-insulated-long-window-pent) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-05-19*