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12x8 Halls Magnum Black Greenhouse - 3mm Toughened Glass

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Product no.: F09837

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A Halls Magnum Greenhouse is ideal for the avid grower. Double sliding doors makes for easy access and four large roof vents makes sure there is excellent growing conditions.


The highly recommended galvanized strong steel base raises the greenhouse by 12cm and guarantees the door runs smoothly and provides fast construction without the need to construct your own timber or brick base to ensure the greenhouse door will open.


** Limited stock available – Only a few Halls Magnum greenhouses remain in Green and Black. Order now to secure yours. **

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Installation

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The offer on free products is valid until Monday, 2 November 2026

Price incl. VAT
The offer is valid until Monday, 2 November 2026

£829.50

RRP £1,659.00

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Estimated sent in week 46

See the model on display here

A Halls Magnum Greenhouse is ideal for the avid grower. Double sliding doors makes for easy access and four large roof vents makes sure there is excellent growing conditions. Greenhouse guttering is standard.

Choose from short pane horticultural glass, long pane toughened safety glass, or 6mm twin-wall polycarbonate.

The Magnum greenhouse is available in mill silver or a green powder coated aluminium frame finish.

INSTALLATIONS - IMPORTANT!

We offer a greenhouse installation service in mainland England and Wales and the following postcodes in Scotland DG, ML, EH, TD. Installations in central London will incur a surcharge.


The recommended steel greenhouse base speeds up the construction process and means you do not need construct a brick or timber base.

The line-drawing shows the external measurements of the greenhouse. Base measurements are here:

Base measurements


FREE delivery on greenhouses (mainland)

All greenhouses are covered by our 12 year warranty. Buy with confidence today direct from the manufacturer.

NameHalls Magnum 12x8 - Black - 3mm Toughened Glass
Finish / colourBlack
Glazing3mm toughened glass
BrandHalls
Length metric3.840
Width metric2.570
Eaves Metric1.510
Ridge height metric2.580
Length imperial12'8"
Width imperial8'5"
Eaves Imperial4'11"
Ridge value imperial8'5"
Door Height (cm)195
Door Width (cm)116
Door handles with lockNo
Has low doorstepNo
Number of windows4
Roof angle40°
Roof prepared for decorationsNo
Size12'8" x 8'5"

Here you will find our guide(s) and other documents for this house. We continuously update the version when there are changes.

12x8 Halls Magnum Black Greenhouse - 3mm Toughened Glass

Estimated sent in week 46

£829.50

RRP £1,659.00

Price incl. VAT
Find retailer