Outsunny 6x8 polycarbonate greenhouse grey

Rank #6 in Best Greenhouse 2026: The Weight Field Is Three Numbers

Outsunny 6 x 8ft Polycarbonate Greenhouse, Walk-In with Slide Door, Grey

£326.99 3.7 from 577 Amazon ratings
Check price on Amazon

Price and rating as shown on Amazon when we collected them. Both change.

The grey Outsunny 6 x 8 polycarbonate greenhouse costs £326.99, which is £85.60 more than the identical dark green version at number two — with the same 577 ratings and the same 3.7-star average behind both.

It takes sixth because it is the same structure at a higher price, and because posting it here is the clearest way to show how this category prices colour.

How those 577 ratings break down

An average hides its own shape. This is the spread behind the 3.7 stars.

5 star
47%
4 star
20%
3 star
8%
2 star
6%
1 star
19%

Specification

Exactly as published on the Amazon listing, field for field.

Price £326.99
Specification Identical to the greenhouse at number two
Ratings 3.7 from 577
Frame Aluminium with rain gutters
Dimensions 2.52 x 1.9 x 2.01 m
Item weight 34.5 kg

What buyers actually say

Quoted from customer reviews on Amazon

Verified purchase

“Very good for the price, tricky to ensemble but good instruction manual”

Elaine Radigan
Verified purchase

“Took a couple of days to finish but the end product is awesome, very good and sturdy greenhouse.”

Paul

What it is up against

The rivals it was ranked against in Best Greenhouse 2026: The Weight Field Is Three Numbers.

Questions people ask

Is it better than the green one?

No. The specifications are identical and the reviews are the same pool; only the price and the colour differ.

Why does it cost more?

Because the two listings are priced separately: £326.99 against £241.39 for the same structure.

How many reviews does it have?

577, the identical figure on both listings.

Does it need a base?

Yes, and a level site for 34.5kg of frame.

Why is it sixth?

To show what a colour premium looks like: same greenhouse, £85.60 more.

How many ratings does it have?

577 at the time of collection, averaging 3.7 stars, with 47 per cent five-star and 19 per cent one-star.

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