Gardman 4 Tier Compact Growhouse
The classic four-shelf growhouse for seedlings

Prices move a lot, especially in spring. The retailer shows the current price. We earn a small commission if you buy through this link, and you pay the same. More on that.
Is the Gardman 4 Tier Compact Growhouse any good?
With 3.8 out of 10, the Gardman 4 Tier Compact Growhouse ranks 32 of 38 in our comparison. Strengths: Costs about the same as a few trays of bedding plants, Takes up less than a quarter of a square metre on a patio or balcony. Weakness: At 1 kg it blows over in wind unless you tie it to a wall or fence. Best for: Hardening off seedlings in April and May on a patio, balcony or small back yard.
In short
Gardman's 4 tier growhouse is a 49 x 45 cm shelf unit, 145 cm tall, under a clear polyethylene cover. It weighs 1 kg, so it is a spring raising station rather than a winter home for tender plants.
Best for: Hardening off seedlings in April and May on a patio, balcony or small back yard
What we like
- Costs about the same as a few trays of bedding plants
- Takes up less than a quarter of a square metre on a patio or balcony
- Nearly 1,000 Amazon reviews with an average of 4.5
What we don't
- At 1 kg it blows over in wind unless you tie it to a wall or fence
- A single PE cover gives little frost protection
Specifications
| Type | Growhouse |
|---|---|
| Glazing | Plastic cover |
| Frame | not published |
| Size | 1.5 x 1.6 ft (0.5 x 0.5 m) |
| Floor area | 0.2 m² |
| Ridge height | 1.45 m |
| Eaves height | not published |
| Roof vents | not published |
| Side vents or louvres | not published |
| Door | not published |
| Base included | not published |
| Gutters included | not published |
| Automatic vent opener | not published |
| Snow load | not published |
| Weight | 1 kg |
| Maker's guarantee | not published |
Sources: the maker's specs, specialist retailers and the product page on Amazon.co.uk. If a value is missing, we found it published nowhere.
Score: 3.8 out of 10
Worked out from the specs above. How we score.
Gardman 4 Tier Compact Growhouse: common questions
Is the Gardman 4 Tier Compact Growhouse any good?
With 3.8 out of 10, the Gardman 4 Tier Compact Growhouse ranks 32 of 38 in our comparison. Strengths: Costs about the same as a few trays of bedding plants, Takes up less than a quarter of a square metre on a patio or balcony. Weakness: At 1 kg it blows over in wind unless you tie it to a wall or fence. Best for: Hardening off seedlings in April and May on a patio, balcony or small back yard.
How big is the Gardman 4 Tier Compact Growhouse?
It measures 1.5 x 1.6 ft (0.5 x 0.5 m), which gives you 0.2 m² of floor space. The ridge stands 1.45 m high.
Does the Gardman 4 Tier Compact Growhouse need a base?
No, it does not need a solid base. Stand it on level ground and anchor it against the wind with ground pegs or weights.
What guarantee comes with the Gardman 4 Tier Compact Growhouse?
We found no maker's guarantee. You still have your statutory rights under the Consumer Rights Act from the retailer.
How much does the Gardman 4 Tier Compact Growhouse cost?
The last price we saw was £34, roughly £155 per m². Greenhouse prices often climb in spring, and the retailer shows the current price.
Alternatives to the Gardman 4 Tier Compact Growhouse

A cheap PVC growhouse with a roll-up door

A tomato house built for two growbags

A narrow walk-in growhouse with four shelves
What you will need with it
Kit that plenty of buyers add to their basket. Affiliate links to Amazon.co.uk, how that works.



