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Halls Magnum 12x8 Greenhouse Forest Green

  • Traditional garden greenhouse with extra height.
  • Available in two colours: silver and forest green.
  • Available with horticultural glass or toughened glass.
  • Includes 4 roof vents.
  • Integral gutters and quality sliding doors come as standard.
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Halls Magnum 12x8 Greenhouse Forest Green

Availability: In stock

As low as:... £899.99

Price as configured: £0.00

For Illustration Purposes Only
Delivery Time: 21-28 days
Size: W2570 D3840 (Eaves) H1370 (Ridge) H2450 mm All products are measured to the highest and widest point. All sizes are approximate
Product Code: HALL-MAG128G-bundle

Glazing Option *

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+£899.99
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+£1,147.99

Base

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It is vital your greenhouse is set onto firm foundations on a sturdy, level base to ensure it remains stable and secure.  This 5 inch prefabricated galvanized steel base is incredibly quick and easy to assemble by simply bolting together. Top quality, durable and low maintenance. Saves you time having to build an alternative brick base.

+£178.99 each

Ventilation (installation available - see below)

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Your plants will love the extra ventilation with this five bladed louvre window. Blades pivot giving an 18 inch opening. Easily shut when required.

+£49.99 each

Staging (*installation available - see below)

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Increase the pleasure of owning a greenhouse by using one of Eden Halls greenhouse accessories. Staging increases the amount of growing space in your greenhouse. Keep plants or tools safely stored on this unit.

+£33.99 each
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Increase the pleasure of owning a greenhouse by using one of Eden Halls greenhouse accessories. Staging increases the amount of growing space in your greenhouse. Keep plants or tools safely stored on this unit.

+£65.99 each
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Increase the pleasure of owning a greenhouse by using one of Eden Halls greenhouse accessories. Staging increases the amount of growing space in your greenhouse. Keep plants or tools safely stored on this unit.

+£44.99 each

Paraffin Heaters

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Large greenhouse heater. Get your greenhouse to the right temperature fast! Requires good ventilation.

When filled with 5 litres of paraffin, the burning time of this heater is approx 3 days.

+£39.99 each
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Medium sized greenhouse heater. Get your greenhouse to the right temperature fast! Requires good ventilation.

When filled with 1.75 litres of paraffin, the burning time of this heater is approx 2 days.

+£29.99 each
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Small affordable greenhouse heater. Get your greenhouse to the right temperature fast! Requires good ventilation.

When filled with 1.75 litres of paraffin, the burning time of this heater is approx 8 days.

+£17.99 each

Watering System

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The Vanlet is a gravity fed watering device that includes an automatic fill system. Your plants will have a constant supply of water drip fed to them.

This irrigation unit includes a tank where water and fertilizer are mixed together, a system of hoses and Y connectors and drip pins. The drip pins can be individually adjusted. The Vanlet can distribute between 10 and 150 litres of water over a 24 hour period.

+£69.99 each

Cold Frames

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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£59.99 each
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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£33.99 each
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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£119.99 each
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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£75.99 each
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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£84.99 each
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Protect young plants and seedlings. Excellent for hardening off your greenhouse plants from April onwards so that you are ready to plant out in May. Use your cold frame again in autumn to get your plants ready for the greenhouse.

+£56.99 each

General Fixings

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Known as Z' clips. Clips used to prevent glass roof panes from sliding off. Enables each panel to overlap the panel below.

+£5.99 each
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Known as W' clips. Clips used to hold panes of glass in the glazing bars. Only required if original clips are lost or broken.

+£5.99 each
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18 metres strip. Used with acrylic panels on curved eaves. The gasket will slip over the supporting bars to cushion the glass.

+£5.99 each
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Kit includes two door wheels, two door guides, screws and nuts.

+£5.99 each

Greenhouse Installation

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Have your greenhouse professionally installed. The installation price includes the erection of the greenhouse frame, the glass and the base only.  Does not include accessories - please add these below.

Installation Terms and Conditions

+£399.99 each

Accessories Installation

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+£26.00

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Price as configured: £0.00

A new design for 2012, the Halls Magnum 12x8 Greenhouse Forest Green now has higher eaves providing extra headroom. Spacious growing area of 9.9m2 with 4 roof vents and large double, smooth sliding doors. Integral gutters come as standard.

  • 9.9m2 growing space
  • Length: 3.84m (12ft 7inch)
  • Width: 2.57m (8ft 5inch)
  • Height to eaves: 1.48m (4ft 10inch)
  • Height to ridge: 2.58m (8ft 5inch)
  • Integral gutters
  • Large double sliding door
  • 1.16m door opening
  • 4 roof vents
  • Cast joints at both ridge and eaves
  • Box section ridge

Available with either a forest green or silver aluminium frame with 2 easy clip-in glazing options:

  • 3mm short pane horticultural glass - traditional glazing method allowing sunlight in to nurture young plants
  • 3mm long pane toughened glass - similar to horticultural glass with extra safety meeting BS6206 standards

The Halls Magnum 12x8 Greenhouse is also available in sizes 10x8 and 14x8.

Supplied flat packed for self assembly with comprehensive, illustrated instructions. 15 year guarantee.

All greenhouses need to be fitted to a base plinth. The optional base - please see above - is an easy to assemble, galvanized steel plinth with integral anchor points that securely anchor your greenhouse and makes installation easier. It will also give it added strength and height. No drilling is required when fixing your greenhouse to the base. The alternative is to build a bricks and mortar base. Please note the greenhouse height is raised by approximately 128mm with a base.

You may also be interested in viewing the complete range of Halls greenhouses for sale:

Please also see our complete range of silver framed greenhouses.

Eden Halls Greenhouses are a timeless range of classical greenhouses. Halls itself is a traditional British company that has existed since 1936 and takes pride in being the first company to take on the challenge of mass producing garden greenhouses. Each green house design is manufactured with traditional English gardens in mind and has been produced at the highest level of quality.



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Delivery Details

For this product, free delivery is available to UK mainland and Northern Ireland addresses

A surcharge applies for deliveries to: Scottish Islands - Orkney Islands KW15-17, Shetland Islands, Outer Hebrides, Isle of Man and Channel Islands, Isle of Wight and Scilly Isles - please contact us for a quote - 0117 3600 505 or customerservices@jacksgardenstore.com

Customers will be contacted 48 hours prior to delivery to provide an am/pm delivery date. Please report any problems relating to the product within 14 days of receipt.

For more information on delivery please see our Delivery FAQs.

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