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    - £500.00

    Grande Plus Garden Room Kit 4 (6.6m x 3.3m)

    The Grande plus is a slightly larger version of the Grande insulated garden room, for those wanting that extra space. Some of our favourite builds from customers have ranged from a home bar, hair salon or summer house, the possibilities with this flat pack garden room kit are endless.

    *Please note our flat pack kits are shell only and do not include doors. The structural opening for the door is 4600 mm wide x 2105 mm high. For information and pricing on doors that fit our Grande Plus Garden Room kit, visit Aluminium Trade Windows dedicated Grande Plus page.

    Each kit includes the Insulated Roof, Wall and floor panels, flashings, accessories and fixing kit. All you need to complete your build is a solid base and your door.

    Thanks to our revolutionary design, no timber or steel frame is needed. Each Grande Plus Garden room is constructed using industry-leading QuadCore insulated panels, which ensures the Grande Plus stays warm in winter and cool in summer.

    Product Highlights

    • Speed of install - waterproof & wind tight substructure up within 1 day 
    • No need for timber or steel frame substructure
    • Cranked Corners eliminating the need for flashings on the walls
    • Insulated Panels are ideal for disassembly and reuse
    • Leading thermal performance with QuadCore technology`
    • Year round use. Our garden rooms are cool in the summer and warm in the winter
    • Excellent customer service and after sales support

    We have a dedicated technical team who can offer full support throughout your project from concept to completion. Want to talk through your project with our team? Get in touch on 0808 196 9212 or email:

    Request a copy of our Installation guide 

    Try before you buy: Why not visit our showroom based in Holywell, North Wales to try an install? We have an installation training rig available for customers to visit and see for themselves just how quick and easy it is to install our system.



    Once you have placed your order, a member of our team will call to arrange a suitable date and time for your delivery.

    Our assisted delivery service is all about making your delivery as easy for you as possible. We have a dedicated team of drivers who will safely offload your delivery to a convenient space at your property.

    Click & Collect

    Our sales team will contact you to tell you what time your order will be available to collect from our site here in Holywell, North Wales.

    Delivery Charges

    If you have opted for delivery, our team will be in touch to arrange a suitable date for your delivery.


    Our team are on hand to support you. Choose from the options below for getting in contact with us.



    Support Hotline:
    0808 196 9212

    Width 6.6
    Depth 3.3
    Insulation Core QuadCore
    Height 2.46
    Colour Anthracite

    Request installation guide