Vitavia Neptune 6700 8x8
An 8ft square glasshouse with two roof vents
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 Vitavia Neptune 6700 8x8 any good?
With 6 out of 10, the Vitavia Neptune 6700 8x8 ranks 17 of 38 in our comparison. Strengths: 8ft width fits staging on both sides, Two roof vents for better airflow. Weakness: Base costs extra. Best for: Gardeners who want room for both tomatoes and seed trays in one square house.
In short
The Neptune 6700 is 8ft wide and 8ft long, 230 cm tall, with 3 mm horticultural glass, two roof vents, a sliding door and gutters. Vitavia gives a 12 year warranty.
Best for: Gardeners who want room for both tomatoes and seed trays in one square house
What we like
- 8ft width fits staging on both sides
- Two roof vents for better airflow
- Toughened glass and 6 mm polycarbonate options
What we don't
- Base costs extra
- Needs an 8ft wide level site
Specifications
| Type | Greenhouse |
|---|---|
| Glazing | Glass, horticultural, 3 mm |
| Frame | aluminium, anodised silver (black powder-coated option) |
| Size | 8 x 8 ft (2.6 x 2.6 m) |
| Floor area | 6.6 m² |
| Ridge height | 2.30 m |
| Eaves height | 1.35 m |
| Roof vents | 2 |
| Side vents or louvres | 0 |
| Door | sliding door |
| Base included | No |
| Gutters included | Yes |
| 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.
Vitavia Neptune 6700 8x8: common questions
Is the Vitavia Neptune 6700 8x8 any good?
With 6 out of 10, the Vitavia Neptune 6700 8x8 ranks 17 of 38 in our comparison. Strengths: 8ft width fits staging on both sides, Two roof vents for better airflow. Weakness: Base costs extra. Best for: Gardeners who want room for both tomatoes and seed trays in one square house.
How big is the Vitavia Neptune 6700 8x8?
It measures 8 x 8 ft (2.6 x 2.6 m), which gives you 6.6 m² of floor space. The ridge stands 2.3 m high.
Does the Vitavia Neptune 6700 8x8 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 Vitavia Neptune 6700 8x8?
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 Vitavia Neptune 6700 8x8 cost?
The last price we saw was £789, roughly £120 per m². Greenhouse prices often climb in spring, and the retailer shows the current price.
Alternatives to the Vitavia Neptune 6700 8x8
A tall aluminium lean-to with a louvre
A modern black 6x8 with toughened glass

A square 8x8 with double doors
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
- Elite Belmont 8x10 Greenhouse vs Vitavia Neptune 6700 8x8 (£1,099 against £789)
- Elite Kensington 6x8 Lean-to Greenhouse vs Vitavia Neptune 6700 8x8 (£799 against £789)
- Halls Qube 6x8 (Qube 68) vs Vitavia Neptune 6700 8x8 (£854 against £789)
- Palram Canopia Balance 8x8 Silver Polycarbonate Greenhouse vs Vitavia Neptune 6700 8x8 (£789 against £789)
- Vitavia Jupiter 8300 8x10 vs Vitavia Neptune 6700 8x8 (£1,049 against £789)