Halls Magnum 8 x 12 ft Greenhouse

(4.8) Based on 3 Reviews

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

Manual

Select Your Options

Halls Greenhouse Seasonal Promotion

  • with FREE Matching Base Plinth

    with FREE Matching Base Plinth

    Save ££'s with this fantastic LIMITED TIME free base plinth promotion.
    Your free base plinth will be colour matched to your greenhouse and will make installation easier by having a hardstanding plinth for which to install the rest of the greenhouse onto.
    You DO NOT need to select the base option below, we will automatically include one with your order.

Option 1 > Greenhouse Glass

  • with Horticultural Glazing (70890)

    with Horticultural Glazing 18% Off | Save £162.00
    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.
  • with Long Pane Toughened Glazing (70944)

    with Long Pane Toughened Glazing 16% Off | Save £200.00
    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.
  • with 4mm TwinWall Polycarbonate Glazing (70902)

    with 4mm TwinWall Polycarbonate Glazing 16% Off | Save £200.00
    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.

Option 2 > Base Plinth?

  • with Matching Base Plinth

    with Matching Base Plinth 19% Off | Save £29.01
    Add a matching steel base plinth to your order.
    Image for demonstration only and base colour/style may vary depending on your chosen model.

Option 3 > Ventilation?

  • with Matching Louvre Window

    with Matching Louvre Window 31% Off | Save £20.00
    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.
  • with Automatic Louvre Window Opener (SO1310)

    with Automatic Louvre Window Opener 36% Off | Save £17.00
    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.
  • with Additional Matching Roof Vent

    with Additional Matching Roof Vent 36% Off | Save £17.00
    Add an additional Roof Vent which will aid temperature and humidity control inside your greenhouse.
  • with Halls Automatic Vent Opener (VentoMatic) (70182)

    with Halls Automatic Vent Opener (VentoMatic) 38% Off | Save £17.00
    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.

Option 4 > Greenhouse Installation?

  • with Greenhouse Installation

    with Greenhouse Installation
    If you would like the Halls installation team to install your Greenhouse on a prepared surface, this can easily be arranged!
  • with Staging or Shelving Installation

    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.

Option 5 > Delivery Options

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

    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

    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.



  • with Delivery to Republic of Ireland, Jersey or Guernsey

    with Delivery to Republic of Ireland, Jersey or Guernsey

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



Accessories > Staging, Shelving and Work Benches

  • with Halls 1 Tier ALUMINIUM Staging (SO1708)

    with Halls 1 Tier ALUMINIUM Staging 31% Off | Save £20.00
    A 120cm wide free-standing staging unit with one tier.
  • with Halls 2 Tier ALUMINIUM Staging (SO1709)

    with Halls 2 Tier ALUMINIUM Staging 29% Off | Save £27.00
    A 120cm wide free-standing staging unit with two tiers.
  • with Halls 4 Foot ALUMINIUM Top Extension Staging (70137)

    with Halls 4 Foot ALUMINIUM Top Extension Staging 39% Off | Save £16.00
    Add an extra shelf to your staging with this top extension piece.
  • with Halls Aluminium 2ft 10ins Long Shelves (Set of Two) (R04101)

    with Halls Aluminium 2ft 10ins Long Shelves (Set of Two) 33% Off | Save £17.00
    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.
  • with Halls Aluminium 4ft 10ins Long Shelves (Set of Two) (R04104)

    with Halls Aluminium 4ft 10ins Long Shelves  (Set of Two) 26% Off | Save £19.00
    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 4ft 10ins in length, 6ins wide and 2ins deep.
  • with Halls Potting Bench (70684)

    with Halls Potting Bench 31% Off | Save £22.00
    A two-tier potting bench featuring an open tray compost tidy on the top for potting. Length 595mm x Width 560mm x Height 1040mm.



  • with Halls 5ft Long (10ins Wide) Wire Shelf (F04502)

    with Halls 5ft Long (10ins Wide) Wire Shelf 30% Off | Save £17.00
    A 5 foot long, 10 inch wide Wire Shelf, suitable for creating a workspace for pots, seedling trays and keeping your small tools handy. Comes complete with brackets to attach to your greenhouse frame.
  • with Halls 5ft Long (20ins Wide) Wire Shelf

    with Halls 5ft Long (20ins Wide) Wire Shelf 27% Off | Save £20.00
    A 5 foot long, 20 inch wide Wire Shelf, suitable for creating a workspace for pots, seedling trays and keeping your small tools handy. Comes complete with brackets to attach to your greenhouse frame.
  • with Halls 3 Tier Seed Tray Unit and 15 Trays (70668)

    with Halls 3 Tier Seed Tray Unit and 15 Trays 32% Off | Save £23.00
    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.

Accessories > Water Systems?

  • with Matching Rainwater Downpipe Kit

    with Matching Rainwater Downpipe Kit 40% Off | Save £10.00
    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.
  • with Gravity Vanlet Irrigation Kit (F04201)

    with Gravity Vanlet Irrigation Kit 25% Off | Save £26.00
    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.
  • with Solar Automatic Irrigation Kit (E05114)

    with Solar Automatic Irrigation Kit 23% Off | Save £27.00
    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!

Accessories > Plant Care

  • with Plastic Plant Rings (20 Pack) (F04711)

    with Plastic Plant Rings (20 Pack) 20% Off | Save £2.00
    A pack of plastic rings, suitable for attaching to your greenhouse frame, allowing you to attach tie supports for your plants.
  • with Plants Spirals (3 Pack) (F04905)

    with Plants Spirals (3 Pack) 43% Off | Save £15.00
    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.
  • with Solar LED Lamp (F04841)

    with Solar LED Lamp 38% Off | Save £6.00
    A solar-powered lamp with a bracket to easily attach to the framing of your greenhouse. Suitable for Indoor or Outdoor use.
  • with Shading Blinds (Pack of Two) (E05119)

    with Shading Blinds (Pack of Two) 37% Off | Save £13.00
    A pair of black blinds which are easily suctioned onto a pane of glass within your greenhouse, providing shade to a select area inside.
  • with Halls 8ft (250cm) Shading Screen (70963)

    with Halls 8ft (250cm) Shading Screen 30% Off | Save £15.00
    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.
  • with Paraffin Heater (F04453)

    with Paraffin Heater 31% Off | Save £25.00
    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.
  • with Pot Holder (F04842)

    with Pot Holder 38% Off | Save £6.00
    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)
  • with Min/Max Thermometer (F04353)

    with Min/Max Thermometer 31% Off | Save £8.00
    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.
  • with Tablet Holder (F04849)

    with Tablet Holder 38% Off | Save £9.00
    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.)

Delivery Information

Fast Free Delivery within Mainland UK & Northern Ireland.
Delivery is within 14 - 21 working days, but may be slightly longer to Highlands and Northern 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-returnableGoods 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 3 Reviews

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.

By Michelle.
22nd, May, 2018.

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.

By Kath Planer.
24th, August, 2016.

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.

By Haden J..
22nd, August, 2016.

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