--- product_id: 807602586 title: "BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect)" brand: "zrizaura" price: "₨4701" currency: SCR in_stock: true url: https://www.desertcart.sc/products/807602586-billy-height-extension-unit-40x28x35-cm-top-extension-shelf-bookcase store_origin: SC region: Seychelles --- # Maximizes vertical space, saves floor area Compact 40x28x35 cm footprint Seamless BILLY bookcase compatibility BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) **Brand:** zrizaura **Price:** ₨4701 **Availability:** ✅ In Stock ## Summary > 📚 Stack smart, live spacious — upgrade your space with style! ## Quick Answers - **What is this?** BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) by zrizaura - **How much does it cost?** ₨4701 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/807602586-billy-height-extension-unit-40x28x35-cm-top-extension-shelf-bookcase) ## Best For - zrizaura enthusiasts ## Why This Product - Trusted zrizaura brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Space-Smart Design:** Transforms unused vertical zones into stylish, functional storage. - • **Tailored for BILLY:** Perfectly engineered to top off your BILLY bookcase for a cohesive, modern look. - • **Effortless Assembly:** Flat-packed with clear instructions for quick, hassle-free setup. - • **Versatile & Adaptive:** Ideal for living rooms, offices, or any evolving organizational needs. - • **Elevate Your Storage Game:** Add 35 cm of sleek vertical space without expanding your footprint. ## Overview The BILLY Height Extension Unit (40x28x35 cm) is a modern oak-effect shelf designed to seamlessly extend your BILLY bookcase vertically. Crafted from engineered wood, it maximizes storage capacity while saving floor space, making it perfect for dynamic living and work environments. Easy to assemble and versatile across rooms, it adapts effortlessly to your changing organizational needs. ## Description Add an extension unit to BILLY bookcase to maximise your vertical storage space and make efficient use of the floor area. This creates a new solution and more storage when your needs and life change. ## Features - Product Dimensions: Width: 40 cm, Depth: 28 cm, Height: 35 cm providing compact vertical storage extension - Space-Saving Design: Extension unit maximizes vertical storage space while making efficient use of floor area in your home. - Compatible Add-On: Designed as a top extension shelf specifically for BILLY bookcase and shelving units. - Versatile Storage Solution: Suitable for living room, office, and home organisation needs when your storage requirements change. - Adaptable Organisation: Creates additional storage capacity that adapts to your evolving lifestyle and changing needs. - Assembly Required: Supplied flat packed with clear step-by-step instructions and all necessary fittings for quick, secure and hassle-free assembly onto a compatible BILLY bookcase. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0GGJ5CBW5 | | Best Sellers Rank | 1,407,933 in Home & Kitchen (See Top 100 in Home & Kitchen) 1,662 in Living Room Bookcases | | Brand Name | ZRIZAURA | | Colour | Oak Effect | | Finish Type | Oak effect | | Furniture Finish | Oak effect | | Included Components | 1 Height extension unit | | Is Assembly Required | Yes | | Item Depth | 28 centimeters | | Item Dimensions | 28 x 40 x 35 centimetres | | Item Dimensions D X W X H | 28D x 40W x 35H centimetres | | Item Shape | Rectangular | | Item Weight | 4.23 Kilograms | | Manufacturer | ZRIZAURA | | Manufacturer Part Number | ZR451 | | Material Type | Engineered Wood | | Model Name | ZRIZAURA | | Model Number | ZR451 | | Mounting Type | Freestanding | | Number Of Items | 1 | | Room Type | Bedroom, Dining Room, Hallway, Living Room, Office | | Shelf Type | Height Extension Unit | | Size | 40x28x35 cm | | Special Features | Space Saving | | Style Name | Modern | | Unit Count | 1.0 count | ## Images ![BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) - Image 1](https://m.media-amazon.com/images/I/61FgTNbCasL.jpg) ![BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) - Image 2](https://m.media-amazon.com/images/I/61bJtoKsSmL.jpg) ![BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) - Image 3](https://m.media-amazon.com/images/I/41FS96ymMKL.jpg) ![BILLY Height Extension Unit 40x28x35 cm – Top Extension Shelf for Bookcase & Shelving Units, Space-Saving Add-On for Living Room, Office & Home Organisation (Oak effect) - Image 4](https://m.media-amazon.com/images/I/61ZXqzhN0iL.jpg) ## Available Options This product comes in different **Colour Name** options. --- ## 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.sc/products/807602586-billy-height-extension-unit-40x28x35-cm-top-extension-shelf-bookcase](https://www.desertcart.sc/products/807602586-billy-height-extension-unit-40x28x35-cm-top-extension-shelf-bookcase) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-08-18*