BioHort AvantGarde Double Door XXL Metal Shed

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The Biohort AvantGarde XXL metal garden shed is available direct to you in the UK from the factory in Austria.

It's a lifelong garden building, maintence free and comes with a 20 year guarantee.

This garden building is a modern design which is extremely strong and made of hot-dipped galvanised, polyester coated steel plate. It will withstand harsh weathers including thick snow. It is a secure building with a 3 way locking system and cylinder lock. 

It has weather protection from the roof over hang and comes in a choice of three colours. These colours are:
  • Dark Grey Metallic
  • Dark Green (Discontinued)
  • Metallic Silver
The inside colour of the garden building is Grey / White. 

Biohort AvantGarde XXL Metal Shed Features:

  • Superior quality, robust and stable construction
  • 20 year guarantee
  • Lifelong maintenance-free
  • Made of hot-dipped galvanised, polyester coated steel plate
  • Double the steel plate thickness compared with cheaper products
  • Threaded connections, hinges, brackets etc. made of high quality stainless steel
  • Twist grip cylinder lock and complete with 2 keys
  • Weather protection thanks to roof overhang
  • A complete shelf set (2 shelf units, 4 brackets and 2 shelf support rails) made from hot-dipped galvanised steel plate
  • 2 tool holders on the inside of the door to hang away and store small tools and gardening equipment
  • 4 tool hangers made from hot-dipped galvanised steel plate to hang away garden tools, spades, hoses and many other objects 
  • 3 stage mechanism provides security against unwanted entry
  • Acrylic glass fanlight ensures that enough light is available to work inside the Garden Shed
  • Gas-spring damper assists by opening and closing of the door and ensures the door remains in either the open or closed position
  • Two integrated gutters with 3/4ins hose connection included for collecting rain water
  • Ready prepared for trouble free fitting of polystyrene panels to insulate the roof

AvantGarde XXL Metal Shed Dimensions:


  • Width: 260cm (8ft 6ins)
  • Depth: 380cm (12ft 6ins)
  • Height: 222cm (7ft 3ins)


  • Width: 252cm (8ft 3ins)
  • Depth: 332cm (10ft 11ins)
  • Weight: 263kg (580lbs)

Note: The photographs on this page may not represent the size of the Biohort AvantGarde metal garden shed offered for sale.

Note: Standard door openings for all models is 76cm (2ft 5ins approx) width by 182cm (5ft 10ins approx) high.


AvantGarde Metal Shed Instruction Manual

Select Your Options

Choose Your AvantGarde Shed Colour...

  • finished in Dark Grey (27069)

  • finished in Silver Metallic (25069)

Choose Your AvantGarde Floor Options...

  • Foundation Kit (41061)


  • Chequer Plate Heavy Duty Floor Covering (48061)


Would You Like Your AvantGarde Building Installed?

  • Building ONLY to be installed on prepared surface


  • Install Additional Accessories ONLY valid when Install Building selected


May We Also Suggest

  • Small Tool Holder Kit

    This tool organiser is installed on the inside of the door, a maximum of 5 tool organisers can be mounted on each door.


  • Rainwater Downpipe Kit - colour coded to match

    Rain water downpipe downpipe with outlet elbows in matching colour of shed (Length 182 cm), includes all necessary supports and fixtures.


  • Single Bicycle Holder BikeMax

    The Single Bicycle BikeMax holder provides a space saving solution for storing bicycles in each Biohort metal shed. The BikeMax can also be simply and conveniently installed on any wall (i.e. in a garage). With hanging hooks, height adjustable in 6 different positions. Integrated loop included for securing bicycle.


  • Double Bicycle Holder BikeMax

    The Double Bicycle BikeMax holder provides a space saving solution for storing bicycles in each Biohort metal shed. The BikeMax can also be simply and conveniently installed on any wall (i.e. in a garage). With hanging hooks, height adjustable in 6 different positions. Integrated loop included for securing bicycle.


  • Side Door - colour coded to match

    Side door to allow access to your Garden Shed from two sides. Simply add this side door to the side wall. Included in the delivery are a 3-way lock, gas assisted spring, hinges, 2 tool organisers and all the necessary parts to fit. Door opening: heigth182 cm, Width 76 cm. The door post can be free chosen (right of left). Finished in matching shed colour.


    (£31.00 Saving)

  • Four Tall Tool Hanger Set

    Equipment hooks. Made of galvanised steel plate, for convenient hanging of spades, rakes and garden hoses. These are available in packs of 4.


Delivery Info

Where We Deliver To

Our prices include VAT and Delivery anywhere within mainland England and Wales.

Delivery to Scotland is inclusive up to and including Glasgow and Edinburgh, but not above.
All IV, KW, PA, PH, KY, AB, DD and FK postcodes along with Highlands and Islands will incur a separate delivery charge. Please contact us for a customised quote if this affects your delivery location.

Delivery Timescale

Standard Delivery is currently taking place around 4-5 weeks after ordering as they are delivered directly from the factory in Austria. Delivery with Installation is currently taking place 7-8 weeks after ordering.

Additional Details

Customers are to ensure that the driver is able to obtain the nearest possible access to the property in order to facilitate the unloading and safe delivery of their order. Unless specifically pre-arranged, any delivery is to the kerb side only.

In the event of customers requiring delivery into the perimeter of their property (e.g. the garden), this will be entirely at the driver’s discretion, many of whom are unable to enter your property, either through your home or garden due to health and safety and insurance legislation's.

When unloading is complete, a signature of the consignee will be obtained to confirm receipt of their order (unless, by prior arrangement, such signature has been left by the customer in absentia).


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RRP: £2,599.00 (Saving: £77.01)

£2,521.99 inc. VAT