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Both share the same build: a galvanised steel frame and 6 or 8 mm twin-wall polycarbonate. The Arch has a curved roof that sheds snow easily and carries up to 800 kg/m². The Gable has straight walls and a pitched roof, so you get more headroom at the sides (2.43 m high at 3 m wide, 2.72 m at 4 m wide), and it carries up to 950 kg/m².

Both models come 3 m or 4 m wide. The 4 m width gives you more growing space and can have double doors as an option. The length starts at 4 m and grows in 2 m modules: extendable to any length, 2 m at a time.

Both models are available with 6 mm or 8 mm twin-wall polycarbonate. Every panel sits snugly in a closed profile, with no gaps for the wind to catch. Both let about the same amount of light through. 8 mm is stiffer and holds the warmth a little better: choose it if you grow early in spring, late into autumn or in a colder region. 6 mm is the lighter, more affordable choice, and it is all most gardens need from spring to autumn.

Our greenhouses are designed for Nordic winters with rain, snow and wind. The roof carries a vertical load of up to 800 kg/m² on the Arch and up to 950 kg/m² on the Gable, and reinforced trusses spread the weight across the whole frame. The closed profile holds every panel firmly against strong winds, and the doors are storm-proof. After heavy snowfall, simply brush the snow off the roof.

Yes. Every greenhouse is built from modules of about 2 m, so it is extendable to any length, one module at a time, now or later. To add modules later, order an extension kit from our accessories: each kit adds one module to your greenhouse.

Roof window, automatic vent opener, shelves for the end and side walls, a power and water module, solar drip irrigation for 30 plants, a plant tying kit, a 5-piece tool kit and a gutter system for the Verda Gable that collects rainwater. You can add them when you choose your greenhouse.

Your greenhouse needs level ground: it makes assembly easier and avoids drainage problems later. If your spot is on a slope, level it first. Seal any gap between the base of the greenhouse and the ground to keep pests and draughts out. Ground anchors are included: one at every arch and one at each corner, reaching up to 1.2 m into the ground, so it stands firm on soil or on a concrete base.

Choose a sunny spot, sheltered from cold winds, with the ridge running east to west: it warms up quickly after cold nights and overheats less on hot days. Keep it at least 150 cm from walls, fences and other objects, and away from trees (shade, sap and falling branches). Close to the house is best, as you will visit it often.

Yes. Your greenhouse arrives pre-assembled: the end walls and doors are already built, every arch is a ready-made truss and the polycarbonate is pre-cut. You join the arches, lay the sheets and anchor it. With two people it stands in 3 to 6 hours, and our guide takes you through each step.

Add a roof window, and an automatic vent opener if you like: it opens the window by itself as it warms up, wax-driven, with no electricity needed. On sunny days, open the doors and windows to let fresh air in.

Yes. Once built, your greenhouse can be moved to a new spot without taking it apart. Choose level ground there too.

Free delivery to your door in 7-14 days. Everything comes in parcels of 30 kg at most, so one person can carry each one. Delivery is free on every greenhouse and on any order of £170 or more; an order of accessories below £170 costs £25.90 to deliver.

Yes. You can return your greenhouse within 14 days of delivery if you change your mind. It must be unused and not assembled, in its original packaging, with the protective film still on the polycarbonate and the frame. The return transport is at your cost, and we refund you once we have received and checked the parcels. If a part arrives damaged or faulty, write to us within 3 working days of delivery with photos: we replace it or take it back.

Yes. Your greenhouse comes with a 10-year warranty on polycarbonate and steel frame: the polycarbonate, and the galvanised steel against rusting through. Doors, locks, magnets, window openers and all other parts are covered for 2 years. Keep your invoice: the warranty applies to a greenhouse assembled and anchored as shown in the guide.