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10x20 Janssens Master Victorian Greenhouse

Quick Code: P172875

Greenhouse Dimensions

Greenhouse Size Diagram
  • A: 3100mm (10ft 1")
  • B: 6060mm (19ft 8")
  • C: 2740mm (8ft 10")
  • D: 2010mm (6ft 6")
  • E: 700mm (2ft 2")
  • F: 2000mm (6ft 5")
  • Minimum size for your greenhouse base: 3100mm x 6060mm

All dimensions given above are external measurements.

Toughened Safety Glass

Toughened Glass is much stronger than Horticultural glass and won't crack. If it does break it disintegrates into hundreds of small pieces that are unlikely to cause injury, unlike Horticultural Glass which breaks into shards. It's heavy weight also means it's the best glazing option for windy spots and the UK in general!

Full Length Glass (Long Pane)

Toughened Glass is long pane, meaning each panel in your greenhouse is one piece of glass. No unsightly overlaps where dirt and grime can collect and no Overlap Clips to worry about.

sku:MV36
  • £5,740 inc VAT
  • FREE Delivery*

    Urban and Master Models - Within 16 weeks

    All other Models - Within 40 weeks

    *Some Scottish postal areas attract a delivery charge

Standard Features Include:

  • 3100mm x 6060mm Dimensions (10ft 1" x 19ft 8")
  • 2m High Eaves
  • Aluminium Frame with Tubular and Box Section for Superior Strength.
  • Green or Black Powder Coated Frame.
  • Box Section Base Plinth.
  • Victorian Greenhouse Roof Crestings.
  • Double Sliding Locking Doors
  • 4mm Full Length Toughened Safety Glass
  • Rubber Glazing Gasket Strips (no fiddly clips)
  • 4x Roof Vents
  • 11 Blade Louvre Vent
  • Gutters and 40mm Aluminium Downpipes.
  • Stainless Steel Fittings.
  • Step by Step Instruction Manuals with Instructional DVD.
  • 13 Year Manufacturers Warranty.
  • Many Accessories Available - Scroll down this page.

This 10ft x 20ft Janssens Master Victorian Greenhouse is the top of the Janssens Helios Master range, the biggest, the best. Modern greenhouse design and materials meet old time Victorian Greenhouse styling. Roof Cresting and Finials sit along the super stiff box section roof ridge. Depending on your garden or personal preference, choose a green or black powder-coated frame.

All Janssens Master Greenhouses are built around a strong box-section aluminium frame and base, with 4mm Toughened Glass held in with proper rubber glazing gasket to take on the worse of UK weather!

Greenhouse Installation:

If you require installation with your greenhouse, we have independent regional installers that we can recommend for you. For information please email us at [email protected]

Options: Click options to add to your order then click "Add to Basket"

Tap the Options below to add them to your item, then click "Add to Basket"

Select your size

Recommended Accessories Discount Pack (15% OFF)

Choose your colour

  • Black Powder Coated Frame

    Black Powder Coated Frame

    + £0

  • Green Powder Coated Frame

    Green Powder Coated Frame

    + £0

Staging

  • Janssens Colour Matched Seed Tray Shelving

    Janssens Colour Matched Seed Tray Shelving

    Add the Colour Matched Full Width 236cm long Seed Tray Shelving to the rear of your greenhouse to help retain your floor space

    1

    +£295

  • 1 Tier Staging Colour Matched

    1 Tier Staging Colour Matched

    This 1 Tier Vitavia Colour Matched greenhouse staging gives you a handy work surface and storage area. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)

    1

    +£58

  • Janssens Integrated Colour Matched Shelving

    Janssens Integrated Colour Matched Shelving

    Add the Colour Matched 150cm long x 23cm wide integrated shelving to your greenhouse to help retain your floor space

    1

    +£55

  • 2 Tier Staging Colour Matched

    2 Tier Staging Colour Matched

    This 2 Tier Vitavia Colour Matched greenhouse staging gives you a handy work surface with additional low level storage. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)

    1

    +£87

  • Top Tier Staging Extension Colour Matched

    Top Tier Staging Extension Colour Matched

    This little top level Colour Matched shelf attaches to 1 or 2 Tier staging to give you a bit more storage space

    1

    +£39

Ventilation and Shading

  • Curtain Shading

    Curtain Shading

    Curtain shading will protect your plants from sun scorch and provide shade to moderate temperature. 6ft x 8ft.

    1

    +£24

  • Louvre Vent

    Louvre Vent

    A louvre window brings fresh cool air into your greenhouse to moderate the temperature inside. An essential add on.

    1

    +£79

  • Auto Louvre Opener

    Auto Louvre Opener

    This automatic opener mechanism will open your louvre window for you when you’re not around. No need to worry about ventilation, this does it automatically for you! (Does not include louvre window).

    1

    +£40

  • Janssens Sunscreen Shading

    Janssens Sunscreen Shading

    Add the Janssens retractable shading kit for ease of use

    +£129

Extras

  • 100L Mini Rainsaver Water Butt

    100L Mini Rainsaver Water Butt

    Add this 100L water butt kit that includes: Butt, Tap & Lid - Black Stand

    1

    +£49

Delivery Surcharges

  • Delivery to Mainland UK. EXCLUDES: NI, IOW, IOM and postcodes PA PH DD AB IV KW

    Delivery to Mainland UK. EXCLUDES: NI, IOW, IOM and postcodes PA PH DD AB IV KW

    PLEASE NOTE, VITAVIA DO NOT DELIVER TO NORTHERN IRELAND, THE ISLE OF WIGHT, ANY SCOTTISH ISLANDS OR ANY OTHER OFFSHORE AREA. CALL US FOR ALTERNATIVES.

    +£0

  • Additional delivery charge to the following post codes: PA PH DD AB IV KW

    Additional delivery charge to the following post codes: PA PH DD AB IV KW

    PLEASE NOTE, VITAVIA DO NOT DELIVER TO NORTHERN IRELAND, THE ISLE OF WIGHT, ANY SCOTTISH ISLANDS OR ANY OTHER OFFSHORE AREA. CALL US FOR ALTERNATIVES.

    +£115