If you’re dreaming of growing your own produce next year, adding a greenhouse to your garden design is a great first step. With options ranging from compact polycarbonate models to full-sized glasshouses, you don’t need acres of land or a huge budget to get started.
But with so many places to choose from, knowing where to buy greenhouses online can feel daunting. That’s why we’ve done the legwork for you, rounding up the best retailers – from trusted specialists to affordable brands – so you can stop scrolling and start growing.
Where to buy greenhouses online
Below are some of the best online retailers offering greenhouses across a range of budgets, styles and sizes. Prices are correct at the time of publication, but do check each retailer’s site as you might catch one of their seasonal discounts or online deals:
- Rhino Greenhouses: Find premium greenhouses designed to last – prefect for homeowners happy to invest in quality.
- Amazon: Great for convenience, fast delivery and comparing sizes and materials in one place.
- Argos: Ideal for quick, reliable service with a good mix of designs.
- Wickes: A solid choice for practical gardeners, with everything from lean-tos to full glasshouses.
- Aosom: Offers affordable, easy-to-assemble kits for smaller gardens and hobby growers.
- Robert Dyas: Great for practical, affordable greenhouses with quick delivery and regular seasonal deals.
- B&M Garden Buildings: Best for budget-minded buyers or first-time greenhouse shoppers.
Rhino Greenhouses
Rhino Greenhouses are made for gardeners who take growing seriously. Made in the UK with heavy-duty aluminium frames and toughened safety glass, their designs are built to handle wind, rain and everything in between. With long guarantees and plenty of size options, these are the types of greenhouse you invest in once and can enjoy for decades.
This beautifully finished greenhouse combines a sturdy aluminium frame with 4mm toughened glass and is available to purchase in 6 stylish shades.
With generous internal space, dual sliding doors, enhanced louvre ventilation and your choice of powder-coated finish, this is a standout structure for ambitious growers.
Amazon
Amazon makes buying a greenhouse online effortless. From compact lean-tos and mini growhouses to full-size aluminium frames, Amazon makes it easy to compare materials, check customer reviews and spot the best prices at a glance. It's perfect for anyone who wants maximum choice and fast delivery without leaving the sofa.
This compact lean-to cold frame is made from sustainably sourced wood with UV-stabilised polycarbonate windows all around and three slatted shelves for airflow and drainage.
Built with a galvanised aluminium frame, sliding door and foundation kit, this walk-in glasshouse is weather-resistant and would suit all manner of contemporary gardens.
This no-tool, PVC-covered greenhouse features six internal shelves and a roll-up zip panel door. It's great for first time growers as it offers shelving and insulation benefits in a budget-friendly package.
Argos
Argos is known for reliability and ease, and its greenhouse collection is no exception. You’ll find a mix of aluminium and polycarbonate models that balance good looks with low maintenance, often available for click-and-collect or next-day delivery.
This compact greenhouse is big enough for your gardening dreams yet small enough to fit your terrace, small courtyard or balcony.
UV-protected, virtually unbreakable glazing, rain gutters and a 5-year guarantee make this model a smart, low-maintenance choice for keen gardeners.
With its elegant bell-shaped frame and twin-wall polycarbonate glazing, the Bella diffuses sunlight beautifully and withstands wind and snow with ease.
Wickes
Wickes has one of the most varied greenhouse ranges online, from cold frames and starter kits to full-size walk-in designs. Each listing comes with detailed specs and setup advice, so you know exactly what you’re getting before you buy.
With a chic hexagonal footprint and rust-resistant aluminium frame, this greenhouse features both twin-wall roof panels for protection and crystal-clear wall glazing for light.
This affordable greenhouse is super durable – comprised of a rust-resistant aluminium frame and crystal clear, virtually unbreakable glass-like polycarbonate panels.
Aosom
Aosom specialises in affordable, easy-to-assemble greenhouses that look smart and don’t require professional installation. You'll find everything from lightweight aluminium frames to polycarbonate panels and plenty of options for small gardens.
Budget-friendly and space-smart, this lean-to kit includes zipped doors, wall nails and ground stakes. It’s ideal for novice growers who want practical shelter without a big spend.
A compact walk-in greenhouse with sliding door, roof gutters and UV-protected twin-wall panels. This design is ideal for maximising space in tighter gardens.
Robert Dyas
Robert Dyas is a reliable go-to for affordable, fuss-free greenhouses that arrive ready for action. You can expect easy-assembly aluminium and polycarbonate styles, as well as timber framed models, often with regular discounts and quick home delivery.
Crafted from certified timber with toughened-glass glazing, this model features elegant detailing and a flexible double-door layout – perfect for gardens seeking a greenhouse with character.
Short on space? No problem. With its shaped aluminium frame, toughened glass and sliding access, this lean-to model is ideal for gardeners seeking a durable-yet-compact glasshouse for patios.
B&M Garden Buildings
B&M’s greenhouse range is all about quality without the hefty price tag. They stock models from some of the world’s leading manufacturers — including these stylish wooden designs by Forest — and sell them at refreshingly competitive prices.
Designed for smaller spaces, this solid-backed lean-to keeps warmth in and draughts out, giving plants a protected spot to thrive even in cooler weather.
This clever lean-to makes the most of unused wall space, combining sturdy timber framing with bright glazing, perfect for nurturing seedlings in narow gardens.
Beautifully built from solid timber with toughened glass, this premium greenhouse combines a timeless design with plenty of growing space.
If it’s the look of a glass structure you love, but you’re not planning to fill it with seedlings, explore our guide to garden offices and stylish sunroom ideas for inspiration on creating a bright, light-filled space you can enjoy year-round.
