Halls Magnum 8 x 12 ft Greenhouse

(4.8) Based on 4 Reviews

Halls Magnum 12ft x 8ft Wide Double Door Greenhouse

How To Install A Halls Greenhouse

Description

The Magnum range is renowned for strength and the amount of growing space that they offer.

An aluminium frame is strengthened by cast iron joints and gardeners, whatever their experience or preferences, all gardeners will make the most of the enviable amount of space.

Smooth action sliding doors mean easy access and four roof vents ensure excellent air circulation. There's also a long list of optional accessories to complete your perfect growing area.

Whatever you want to grow, this greenhouse will match your ambition.

12x8 Greenhouse Features:

Complete with four opening roof vents
Virtually maintenance free rust proof aluminium
Cast iron joints
Integral guttering
Three glazing options
Halls brand guarantees quality at the right price
Technical helpline available
9.9 Square Metres Growing Area

12x8 Greenhouse Dimensions:

External Height To Ridge: 258cm (8ft 6ins)
External Height To Eaves: 151cm (4ft 10ins)
External Width: 257cm (8ft 6ins)
External Depth: 384cm (12ft 8ins)
Door Opening Height: 182cm (5ft 11ins)
Door Opening Width: 120cm (4ft)
Base Height: 12.8cm (5ins)

From the same range link me to the next size: SMALLER or LARGER
From the same range link me to the same size in: GREEN

When you have selected all the options you may require scroll down the page and Add to basket. As you add options the running price updates in the lower right hand corner.

PDF Downloads

8ft Wide Base Details

Halls Magum Instruction Manual

Select Your Options

Option 1 > Greenhouse Glass

Three types of glazing are available for your greenhouse. Choose from standard horticultural, long pane toughened or 6mm polycarbonate options which let you customise your greenhouse to suit your needs.

Glass diagram images below are for demonstration of the glazing styles and may differ depending on your chosen greenhouse model.

with Horticultural Glazing (70890)

Standard 3mm glass which consists mostly of 2ft by 2ft panes, overlapping each other with the use of clips to hold one above another. This type of glass is traditional and very economical but tends to shatter into shards when smashed, so isn't recommended if you have children or pets.

£1,039.00

with Long Pane Toughened Glazing (70944)

Long pane Toughened glass is a lot stronger, and more durable than standard Horticultural glass. In the rare event of it shattering, it breaks into safer smaller pieces. It is also neater and needs less maintenance as no overlapping glass means there is no algae build up and no Z clips to fit.

£1,339.00

with 4mm TwinWall Polycarbonate Glazing (70902)

Polycarbonate is a virtually unbreakable material, better described as being a highly durable, twin-wall, opaque coloured plastic glaze rather than actual glass. This makes it the safest material where children and pets are concerned and the simplest type to install due to the large yet lighter panes. It also refracts the light very well.

£1,439.00

Option 2 > Base Plinth?

All greenhouses need to be fitted onto a secure base. This can be achieved by using an official Halls branded metal base plinth to give the greenhouse added strength and height. Alternatively you can build a brick base to fit your greenhouse size if you prefer.

Please Note: If you're having your greenhouse installed by the Halls team, you will need to purchase this base along with your greenhouse.

with Matching Base Plinth

Add a matching steel base plinth to your order.
Image for demonstration only and base colour/style may vary depending on your chosen model.

£134.99

Option 3 > Ventilation?

Ventilation is essential for any Greenhouse no matter the size to ensure that the humidity and temperature inside provides the best growing experience for your new plants.

with Matching Louvre Window

A Halls louvre window with matching glazing. Louvre windows replace one or more standard glass panes to aid with ventilation in the side of your greenhouse. Note: Louvre blades may differ between 5 or 6 blades depending on the greenhouse model. Image for demonstration only.

31% Off
Save £20.00

£64.99 £44.99 Qty:

with Automatic Louvre Window Opener (70959)

When used in conjunction with a Halls Louvre Window, this device can be pre-set to open the window as and when needed when the temperature reaches a certain degree.

36% Off
Save £17.00

£46.99 £29.99 Qty:

with Additional Matching Roof Vent

Add an additional Roof Vent which will aid temperature and humidity control inside your greenhouse.

36% Off
Save £17.00

£46.99 £29.99 Qty:

with Halls Automatic Vent Opener (VentoMatic) (70182)

The Ventomatic is an automatic solar-powered window-opener. It's able to open and close a roof vent within a range of 16 - 25 degrees celsius. One Ventomatic will be required per Vent.

38% Off
Save £17.00

£44.99 £27.99 Qty:

Option 4 > Greenhouse Installation?

We can arrange to have your Halls Greenhouse, plus any other Halls accessories you may have purchased at the same time, installed on site for you. This service is available to domestic addresses only (no allotments) within the mainland UK but excludes Highlands, Northern Ireland and Offshore Islands.
Installation is normally completed within 10 working days from the delivery of your greenhouse.

Please find our Halls Installation Terms and Preparation Checklist here.

with Greenhouse Installation

If you would like the Halls installation team to install your Greenhouse on a prepared surface, this can easily be arranged!

£550.00

with Staging or Shelving Installation

Please tick the check box if you require Staging or Shelving Installation at the same time as your greenhouse. Change the Qty box if you require more than one to be installed.

£26.00 Qty:

Option 5 > Delivery Options

Please choose your delivery option below. Someone must be in attendance on delivery day between 8am - 6pm.

with Delivery to Mainland England, Wales, Scotland & Northern Ireland

STANDARD INCLUSIVE DELIVERY of your greenhouse within Mainland England, Wales, Scotland and Northern Ireland. Excludes any Offshore Islands.

with Delivery to Isle of Wight/Man and Scottish Islands

Our extended delivery service if you wish to have your greenhouse delivered to the Isle of Wight, Isle of Man and Scottish Islands.

£99.99

with Delivery to Jersey or Guernsey

Our extended delivery service if you wish to have your greenhouse delivered to Jersey or Guernsey.

£124.99

Accessories > Staging, Shelving and Work Benches

Staging and Shelving provides that much-needed workspace, storage and potting areas, which helps to make planting and growing a whole lot easier!

with Halls 1 Tier ALUMINIUM Staging (SO1708)

A 120cm wide free-standing staging unit with one tier.

£54.99 Qty:

with Halls 2 Tier ALUMINIUM Staging (SO1709)

A 120cm wide free-standing staging unit with two tiers.

£79.99 Qty:

with Halls 4 Foot ALUMINIUM Top Extension Staging (70137)

Add an extra shelf to your staging with this top extension piece.

£34.99 Qty:

with Halls Aluminium 2ft 10ins Long Shelves (Set of Two) (R04101)

These popularly priced, yet ever so practical pair of Aluminium shelves come complete with fixing brackets which enables you to easily install the shelves onto your greenhouse frame. Each shelf is 2ft 10ins in length, 6ins wide and 2ins deep.

£44.99 Qty:

with Halls Aluminium 4ft 10ins Long Shelves (Set of Two) (R04104)

£59.99 Qty:

with Halls Potting Bench (70684)

A two-tier potting bench featuring an open tray compost tidy on the top for potting. Length 595mm x Width 560mm x Height 1040mm.

£59.99 Qty:

with Halls 3 Tier Seed Tray Unit and 15 Trays (70668)

This 3 shelf seed tray tidy will ensure that you can make the most out of the space you have, with 15 standard sizes seed trays. Length 1180mm x Width 400mm x Height 1120mm.

£59.99 Qty:

Accessories > Water Systems?

Whether you're looking to setup an automatic water irrigation system within your greenhouse to limit the amount of manual watering that you need to do or to capture, recycle and reuse the fallen rain water using a water butt, these extra accessories will help you get started quick and easily.

with Water Butt & Stand

A 100-litre water butt with lockable lid for security, water exit tap and stand.

27% Off
Save £15.01

£55.00 £39.99 Qty:

with Matching Rainwater Downpipe Kit

The downpipe kit slots into your greenhouse guttering to channel water downwards, normally into a water butt or container (supplied separately). Two will be needed if you wish to capture water from both sides of a freestanding greenhouse, or one set for a lean-to model.

40% Off
Save £10.01

£25.00 £14.99 Qty:

with Gravity Vanlet Irrigation Kit (F04201)

The Halls Vanlet is a gravity fed automated drip irrigation system that can be used to distribute water and/or fertilizer. The unit includes: Vanlet Tank, 30 Drip Pins, 35 Y Connectors, 25 metres of Transport Hose and a Fitting Bracket.

25% Off
Save £26.00

£105.99 £79.99 Qty:

with Solar Automatic Irrigation Kit (E05114)

Designed to be used with a water butt so there's no need for a water supply connection, the Solar Irrigation Kit waters your plants up to three times a day and automatically increases the amount during warmer weather. Comes complete with solar panel unit, hose, pips and drippers, letting you reuse captured rainwater and the power of the sun to automatically water your crops economically!

23% Off
Save £27.00

£116.99 £89.99 Qty:

Accessories > Plant Care

Whether you need to add extra heat or block the sun's rays from overheating your Greenhouse, this range of accessories can help aid with your gardening, growing and potting needs.

with Plastic Plant Rings (20 Pack) (F04711)

A pack of plastic rings, suitable for attaching to your greenhouse frame, allowing you to attach tie supports for your plants.

20% Off
Save £2.00

£9.99 £7.99 Qty:

with Plants Spirals (3 Pack) (F04905)

They easily hang from the roof of your greenhouse using the hanging clips provided, they can then be extended downwards to the perfect height to offer support for tall growing plants.

43% Off
Save £15.00

£34.99 £19.99 Qty:

with Solar LED Lamp (F04841)

A solar-powered lamp with a bracket to easily attach to the framing of your greenhouse. Suitable for Indoor or Outdoor use.

38% Off
Save £6.00

£15.99 £9.99 Qty:

with Shading Blinds (Pack of Two) (E05119)

A pair of black blinds which are easily suctioned onto a pane of glass within your greenhouse, providing shade to a select area inside.

37% Off
Save £13.00

£34.99 £21.99 Qty:

with Halls 8ft (250cm) Shading Screen (70963)

Shading kits are perfect for keeping part of the Sun's heat from making the inside too hot. 2.59m Long and 1.80m Wide. Sufficient to shade one side of a 8x6 Greenhouse.

30% Off
Save £15.00

£49.99 £34.99 Qty:

with Paraffin Heater (F04453)

Ideal for the colder months, this paraffin heater will help to keep the inside of your greenhouse frost-free. Suitable to use with either lamp oil or perfume-free petroleum. Capacity: 4.4L Burn Time: 18 Hours approx.

31% Off
Save £25.00

£79.99 £54.99

with Pot Holder (F04842)

A pot holder which easily slots onto the frame of your greenhouse, allowing 14cm diameter pots, up to 10kgs in weight to be held onto the frame, making use of the space inside of your greenhouse for even more growing space. (Pot not included)

38% Off
Save £6.00

£15.99 £9.99 Qty:

with Min/Max Thermometer (F04353)

An internal thermometer for your greenhouse, letting you keep an eye on the temperature inside. It also includes a max/min setting which shows you when the temperature of the greenhouse is at it's highest or lowest point.

31% Off
Save £8.00

£25.99 £17.99 Qty:

with Tablet Holder (F04849)

Simply slotted into the frame of your greenhouse, a touchscreen tablet can easily be placed in the holder, providing music or playing instructional videos while you pot and sow hands-free. (Tablet not included.)

38% Off
Save £9.00

£23.99 £14.99 Qty:

Your Selected Options:

with Horticultural Glazing
with Delivery to Mainland England, Wales, Scotland & Northern Ireland

Delivery Information

Important Covid-19 Update - Monday 1st March 2021

Delivery timeframes have been extended to up to 25-weeks.

Fast Free Delivery within Mainland UK & Northern Ireland.
Delivery is within 10 - 14 working days, but may be slightly longer to Highlands and Northern Ireland.

Unfortunately, we can't ship this product range to the Republic of Ireland.

Delivery Period
Delivery will typically be made within 10 - 14 working days but may be extended during busy times of the year. For larger products, the carrier will call and book in a convenient delivery date. For other products, a delivery date will be provided by email from the carrier, which will include a link to allow tracking online.

Vehicles We Use
Items will be delivered on larger lorries which can get to most places it's typically, a 15 ton lorry which is about the size of a dustbin lorry, this will depend on the item that is being delivered and should you have any concerns with restricted access to your property we ask you to contact us prior to placing an order.

Unloading Of Your Delivery
Due to the nature of this product, delivery will be made to the front of the property to the nearest location. Our drivers will not carry these items inside your home or back garden. When the item is delivered on a pallet, the pallet and packaging are non-returnable. Goods can only be manoeuvred on a flat and level surface (i.e. not a gravel driveway) by a pallet truck. On some occasions the driver will split the package to assist with manoeuvring of the item. Once you are happy, we will ask you to check the condition of the goods and sign for the delivery.

Customer Reviews

Overall Rating 4.8 / 5 Based On 4 Reviews

Price 5 / 5
Quality 5 / 5
Delivery 5 / 5

Great product

Great product delivered in under 2 weeks. Installation by nick the fitter was first class. I would recommend this product and this company for their all round service.

Price 5 / 5
Quality 5 / 5
Delivery 5 / 5

Great Value for Money

Searched the internet for best buy and best quality, read reviews and decided on this greenhouse. Customer service is very good and delivery driver very helpful and rang before delivery. Quality of greenhouse is great, very sturdy with spacious headroom. Took ages to erect though. Majority of items were clearly labelled but not all, and some were hard to identify. The instructions are rubbish, put it together and took apart lots of times as put some parts on the wrong way round or missed out screws because diagrams/instructions weren't clear or non existent. Hooray for the internet, found a couple of websites that helped and youtube. Overall very happy with greenhouse and would recommend it.

Price 5 / 5
Quality 4 / 5
Delivery 4 / 5

As good as expected

Liked the look of this greenhouse, not least the price which I thought very competitive. The extras are well worth considering, the louvre is good at increasing air circulation and I've found the staging essential. Glad I bought this one.

Delivery 5 / 5
Quality 5 / 5
Price 5 / 5

Lots of Working Area

This Halls greenhouse gives you lots of working area for your money and that's why I bought it. The double doors make access in and out of the greenhouse so much easier - I don't think I would recommend a single door greenhouse now I've got double doors. I also ordered some staging and an automatic vent which means one of the windows opens and closes itself as the temperature rises and falls again. Make sure you sue gloves when putting it up, especially with the glass, which is obvious really. The basic frame is very simple to install, the most difficult thing is identifying which piece is which, but a lot of them are the same to be fair. Looks good when finished and with some plants inside.

Questions and Answers

Have a question for this product? Go ahead and ask us! We try to reply within a few hours but it may take longer on some questions.

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Halls Magnum 8 x 12 ft Greenhouse

12x8 Greenhouse Features:

12x8 Greenhouse Dimensions:

PDF Downloads

Your Selected Options:

Select Your Options

Option 1 > Greenhouse Glass

with Horticultural Glazing (70890)

with Long Pane Toughened Glazing (70944)

with 4mm TwinWall Polycarbonate Glazing (70902)

Option 2 > Base Plinth?

with Matching Base Plinth

Option 3 > Ventilation?

with Matching Louvre Window

with Automatic Louvre Window Opener (70959)

with Additional Matching Roof Vent

with Halls Automatic Vent Opener (VentoMatic) (70182)

Option 4 > Greenhouse Installation?

with Greenhouse Installation

with Staging or Shelving Installation

Option 5 > Delivery Options

with Delivery to Mainland England, Wales, Scotland & Northern Ireland

with Delivery to Isle of Wight/Man and Scottish Islands

with Delivery to Jersey or Guernsey

Accessories > Staging, Shelving and Work Benches

with Halls 1 Tier ALUMINIUM Staging (SO1708)

with Halls 2 Tier ALUMINIUM Staging (SO1709)

with Halls 4 Foot ALUMINIUM Top Extension Staging (70137)

with Halls Aluminium 2ft 10ins Long Shelves (Set of Two) (R04101)

with Halls Aluminium 4ft 10ins Long Shelves (Set of Two) (R04104)

with Halls Potting Bench (70684)

with Halls 3 Tier Seed Tray Unit and 15 Trays (70668)

Accessories > Water Systems?

with Water Butt & Stand

with Matching Rainwater Downpipe Kit

with Gravity Vanlet Irrigation Kit (F04201)

with Solar Automatic Irrigation Kit (E05114)

Accessories > Plant Care

with Plastic Plant Rings (20 Pack) (F04711)

with Plants Spirals (3 Pack) (F04905)

with Solar LED Lamp (F04841)

with Shading Blinds (Pack of Two) (E05119)

with Halls 8ft (250cm) Shading Screen (70963)

with Paraffin Heater (F04453)

with Pot Holder (F04842)

with Min/Max Thermometer (F04353)

with Tablet Holder (F04849)

Your Selected Options:

Great product

Great Value for Money

As good as expected

Lots of Working Area

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