Halls Magnum 8x10
A tall, wide Halls glasshouse with cast iron joints
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 Halls Magnum 8x10 any good?
With 6 out of 10, the Halls Magnum 8x10 ranks 15 of 38 in our comparison. Strengths: Four roof vents keep it cool in a heatwave, Double doors and 8ft width make room for a bench. Weakness: Out of stock at Greenhouse Stores, and the Halls shop now sells only the 8x12 and 8x14. Best for: Keen growers who want a big glass greenhouse with plenty of headroom for vines and tall tomatoes.
In short
The Magnum 8x10 has a silver aluminium frame with cast iron joints at ridge and eaves, 3 mm toughened glass, four roof vents and double sliding doors. It stands 258 cm at the ridge with 148 cm eaves.
Best for: Keen growers who want a big glass greenhouse with plenty of headroom for vines and tall tomatoes
What we like
- Four roof vents keep it cool in a heatwave
- Double doors and 8ft width make room for a bench
- Toughened glass and a 12 year warranty
What we don't
- Out of stock at Greenhouse Stores, and the Halls shop now sells only the 8x12 and 8x14
- No base included
- Shops disagree slightly on the ridge height
Specifications
| Type | Greenhouse |
|---|---|
| Glazing | Glass, toughened, 3 mm |
| Frame | aluminium, silver, cast iron joints at ridge and eaves |
| Size | 8 x 10 ft (2.6 x 3.2 m) |
| Floor area | 8.3 m² |
| Ridge height | 2.58 m |
| Eaves height | 1.48 m |
| Roof vents | 4 |
| Side vents or louvres | 0 |
| Door | double sliding doors, lockable |
| Base included | No |
| Gutters included | not published |
| Automatic vent opener | No |
| Snow load | not published |
| Weight | not published |
| Maker's guarantee | 12 years |
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: 6.0 out of 10
Worked out from the specs above. How we score.
Halls Magnum 8x10: common questions
Is the Halls Magnum 8x10 any good?
With 6 out of 10, the Halls Magnum 8x10 ranks 15 of 38 in our comparison. Strengths: Four roof vents keep it cool in a heatwave, Double doors and 8ft width make room for a bench. Weakness: Out of stock at Greenhouse Stores, and the Halls shop now sells only the 8x12 and 8x14. Best for: Keen growers who want a big glass greenhouse with plenty of headroom for vines and tall tomatoes.
How big is the Halls Magnum 8x10?
It measures 8 x 10 ft (2.6 x 3.2 m), which gives you 8.3 m² of floor space. The ridge stands 2.58 m high.
Does the Halls Magnum 8x10 need a base?
Yes, plan for one. Our data shows no base frame in the box, and without proper anchoring a strong gust can lift a light greenhouse.
What guarantee comes with the Halls Magnum 8x10?
12 years from the maker. Guarantees often cover only the frame, not the panels or glass, so check the maker's terms.
How much does the Halls Magnum 8x10 cost?
The last price we saw was £1,999, roughly £241 per m². Greenhouse prices often climb in spring, and the retailer shows the current price.
Alternatives to the Halls Magnum 8x10
A Danish-made glasshouse with a stable door
A heavy-duty glasshouse built for exposed sites
A strong aluminium 8x10 with a built-in base
What you will need with it
Kit that plenty of buyers add to their basket. Affiliate links to Amazon.co.uk, how that works.




Head-to-head comparisons
- Halls Magnum 8x10 vs Juliana Compact 9x7 Greenhouse (£1,999 against £1,934)
- Halls Magnum 8x10 vs Rhino Premium 8x10 Greenhouse (£1,999 against £3,349)