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Alton Westminster Cedar Greenhouse - Tall Design

  • $ 25,599.00

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Expand your gardening horizons with the Alton Westminster Cedar Greenhouse – a structure that offers both the extra space and timeless beauty needed to create a truly remarkable garden retreat.

With an impressive 11ft width and height, the Westminster creates a grand, open interior perfect for those looking to maximize their growing potential while enjoying the serenity of their outdoor space. This premium greenhouse is designed to deliver the best in both form and function, ensuring years of satisfaction. The Alton Westminster Greenhouse stands out with its wider and taller profile, giving it a stately presence in any garden. The combination of half-paneled wood and expansive glass exudes timeless appeal, blending seamlessly with nature while offering plenty of light and room for growth. The steep roof pitch is not only visually striking but also practical – allowing snow to slide off easily, making it an excellent choice for gardeners in colder climates. The spacious interior and ample headroom make this greenhouse perfect for both cultivation and relaxation, providing an inviting space to immerse yourself in your garden.

  • Grand Wooden Greenhouse Design: Expansive structure with half wooden panels creates a striking focal point while maximizing space for both growing and relaxation.
  • Premium Cedar & Aluminum Build: Crafted from Western Red Cedar with an aluminum base frame for natural beauty, durability, and resistance to rot.
  • High Roof Pitch for Practicality: The steep roof pitch, combined with the 11′ peak height, allows snow to slide off easily, making it ideal for snowy regions and ensuring year-round usability.
  • Superior Insulation & Stability: Toughened glass panels and aluminum bar capping enhance insulation and stability, preventing rattling and providing a secure growing environment.

Glazing: Toughened safety glass with screw in bar clamping (capping)
Frame: Extra strong cedar

11x16

  • Length: 16'8"
  • Width: 10'9"
  • Peak Height: 11'1"
  • Sidewall Height: 5'7"
  • Area: 179 sq. ft.
  • Roof Pitch: 45 degrees
  • Doors: 1 Lockable Door with Keys
  • Windows: 4 Roof Vents w, 3 Louvre Window
  • Window Openers: 4 Automatic (Roof), 3 Manual (Louvre)

11x18

  • Length: 18'
  • Width: 10'9"
  • Peak Height: 11'1"
  • Sidewall Height: 5'7"
  • Area: 202 sq. ft.
  • Roof Pitch: 45 degrees
  • Doors: 1 Lockable Door with Keys
  • Windows: 5 Roof Vents w, 4 Louvre Window
  • Window Openers: 5 Automatic (Roof), 4 Manual (Louvre)

11x20

  • Length: 20'10"
  • Width: 10'9"
  • Peak Height: 11'1"
  • Sidewall Height: 5'7"
  • Area: 224 sq. ft.
  • Roof Pitch: 45 degrees
  • Doors: 1 Lockable Door with Keys
  • Windows: 6 Roof Vents w, 4 Louvre Window
  • Window Openers: 6 Automatic (Roof), 4 Manual (Louvre)

Comes Standard With

  • 3mm safety glass with screw in cedar capping
  • Wide single door with lock and low threshhold
  • Victorian style aluminum guttering with downspout
  • Automatic opening roof vents
    10x16(4)
    10x18(5)
    19x20(6)
  • Louvre windows
    10x16(3)
    10x18(4)
    19x20(4)

Optional Acessories

  • Aluminum bar capping
  • 2 slat shelf staging
  • 4 slat shelf staging
  • Victorian cresting

lton UK is newly imported by Exaco Trading. With over a century of experience, Alton Cedar Greenhouses has been a leader in the industry since 1921.  Focused on high-quality materials and thoughtful design featuring:

  • World of Greenhouses is an Authorized Dealer of Exaco Trading, exclusive importer and national distributor of Alton UK.
  • 100 year history in Uk craftmanship
  • Western Cedar - grade 1 (no knots) and a fantastic cedar smell
  • Wood is dipped in special solution to age better and prevent water absorption
  • Roof Pitch 45º  steep - snow slides off
  • Tongue & groove wood assembly
  • Solid Aluminum Gusetts at each intersection 
  • Doors swing inward (except the shed) w/ low threshold
  • Special foundation profile to raise wood framing 1" from the ground
  • Solid Cast Aluminum Cresting
  • Aluminum Bar Capping - to slow aging of the wood on the outside - but looks good too!
  • Bar Capping provides additional strength.
  • Doors & Windows come pre-assembled
  • Highest quality door hardware
  • 3 mm tempered glass
  • Quality Louvre windows with large panes
  • Automatic enrollment in 10 year warantee

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