Alternatives to the Outsunny 6 x 4ft Lean-to Wall Polycarbonate Greenhouse
We last saw the Outsunny 6 x 4ft Lean-to Wall Polycarbonate Greenhouse at £169 for 2.4 m² of floor space. These 5 models come in a similar size and price bracket. We sort them by how close they are, not by commission.
| Outsunny 6 x 4ft Lean-to Wall Polycarbonate Greenhouse | Palram Canopia Harmony 6x4 Grey Greenhouse Clear Polycarbonate | Palram Canopia Mythos 6x4 Silver Polycarbonate Greenhouse | Outsunny 6 x 8ft Polycarbonate Greenhouse with Sliding Door | Halls Wall Garden 2x6 | Palram Canopia Mythos 6x8 Grey Polycarbonate Greenhouse | |
|---|---|---|---|---|---|---|
| Price | £169 | £329 | £329 | £250 | £246 | £449 |
| Size | 4 x 6 ft (1.3 x 1.9 m) | 4 x 6 ft (1.3 x 1.9 m) | 4 x 6 ft (1.3 x 1.9 m) | 6 x 8 ft (1.9 x 2.5 m) | 2 x 6 ft (0.7 x 1.9 m) | 6 x 8 ft (1.9 x 2.5 m) |
| Floor area | 2.4 m² | 2.3 m² | 2.3 m² | 4.8 m² | 1.3 m² | 4.6 m² |
| Glazing | Polycarbonate | Polycarbonate | Polycarbonate | Polycarbonate | Glass, 3 mm | Polycarbonate |
| Vents | not published | 1 | 1 | not published | 1 | 1 |
| Base included | Yes | Yes | Yes | not published | No | Yes |
| Guarantee | not published | 5 years | 5 years | not published | 12 years | 5 years |
| Score | 5 / 10 | 6.3 / 10 | 6 / 10 | 3.8 / 10 | 5 / 10 | 6.5 / 10 |
Palram Canopia Harmony 6x4 Grey Greenhouse Clear Polycarbonate
£160 dearer, 5-year guarantee, higher score
The 6x4 Harmony uses clear single-wall polycarbonate on roof and sides in a grey powder-coated frame. It comes with a galvanised steel base, gutters and one roof vent, and stands 209 cm tall.
Best for: Summer crops like tomatoes and peppers in a small garden where glass is a worry
Palram Canopia Mythos 6x4 Silver Polycarbonate Greenhouse
£160 dearer, 5-year guarantee, higher score
The 6x4 Mythos has twin-wall polycarbonate throughout on a silver aluminium frame, plus a galvanised steel base, gutters and one roof vent. It stands 209 cm tall in a 185 x 126 cm footprint.
Best for: Small gardens where you want a warm spot for seedlings and a few overwintering pots
Outsunny 6 x 8ft Polycarbonate Greenhouse with Sliding Door
£81 dearer, 2.4 m² more floor space
Outsunny's 6x8 has polycarbonate panels on an aluminium frame, a 60 cm sliding door, one push-open window, rain gutters and ground bolts with diagonal braces. It stands 201 cm tall and weighs 34.5 kg.
Best for: A first greenhouse for tomatoes and overwintering on a tight budget, in a sheltered spot
Halls Wall Garden 2x6
£77 dearer, 1.1 m² less floor space, glass
The Wall Garden is only 69 cm deep and 194 cm wide, with 3 mm toughened glass, a sliding door and one roof vent. It must be fixed to a solid wall, and Halls gives a 12 year warranty.
Best for: Small gardens and courtyards where a free-standing greenhouse will not fit
Palram Canopia Mythos 6x8 Grey Polycarbonate Greenhouse
£280 dearer, 2.2 m² more floor space, 5-year guarantee
The Mythos uses twin-wall polycarbonate on every panel, set in a grey powder-coated aluminium frame on a galvanised steel base. It includes gutters and one roof vent, with a 5 year frame warranty.
Best for: Overwintering tender plants and raising seedlings in a cold or exposed garden
Prices change often, and the retailer shows the current one. We earn a small commission if you buy through these links, and you pay the same. More on that.
The alternatives at a glance

Clear single-wall panels in a small footprint

A compact twin-wall greenhouse for small gardens

The cheapest 6x8 polycarbonate greenhouse
A slim glass lean-to for a sunny wall

Twin-wall all round for the warmest budget Palram 6x8