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Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse
Westminster 11.ft Wide Cedar Greenhouse

Alton UK/Exaco

Westminster 11.ft Wide Cedar Greenhouse

$25,699.00
Honor Discount

Pay Now, Ship on Your Schedule Available

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Brand Direct

AUTH Dealer

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Curbside Delivery

Free Crating

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Excellent Service

100% Satisfaction

Price Match

Tax Included

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STUNNING. DURABLE. SPACIOUS

Last 30-40 Years Red Cedar Greenhouse

The Alton Westminster Greenhouse combines timeless beauty with exceptional functionality, featuring a spacious 11ft width and height that creates a grand, open interior.

Crafted from 100% Grade 1 knot-free Western Cedar and supported by an aluminum base frame, it’s built to last while offering ample light for plant growth and a relaxing space to enjoy your garden.

The steep roof pitch ensures snow easily slides off, making it ideal for colder climates.

Imagine yourself enjoying a coffee or hosting friends in this elegant greenhouse, surrounded by lush greenery and timeless design. The Westminster is a perfect blend of elegance and utility, crafted for the gardener who values both beauty and quality.

WHY ALTON

  • Over 100 years of excellence in greenhouse craftsmanship in UK
  • Made from premium Western Red Ceda, High-Quality Materials
  • Offering a perfect balance of functionality and aesthetic appeal
  • Constructed to last, ensuring years of use and value as a long-term investment (30-40 Years)
  • Known for producing reliable, top-tier greenhouses, ideal for passionate gardeners
  • Wonderful Insulation (R-Value: Glass 0.95; Red Cedar 1.35)
  • Superior joiniting system simplifies assembly and adding strength
  • Import from UK with 10 Years Warranty
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WHY WESTMINSTER

  • 11ft wide and tall for maximum growing space and comfort
  • Expansive structure with half wooden panels, creating a striking focal point while maximizing space for both growing and relaxation
  • Crafted from Western Red Cedar with an aluminum base frame, providing natural beauty, durability, and resistance to rot and insects
  • Steep pitch prevents snow buildup, perfect for cold-weather gardeners
  • The natural aroma of cedar helps repel pests
  • Thick timber glazing bars (1.73"x1.73" and 1.73"x2.71") ensure exceptional strength and stability
  • 3mm glass panels and aluminum bar capping enhance insulation, prevent rattling, and provide a secure growing environment year-round

179

Area (Sq.Ft)

11'1"

Peak Height

5'7"

Sidewall Height

16'9"

Length

10'9"

Width

45º

Roof Pitch

  • Framing, glazing, and hardware
  • Base frame and aluminum capping
  • Guttering and downpipe(s)
  • (1) Lockable hinged door (2'5"x6'7")
  • (4) Automatic Roof Window (24"x19")
  • (3) Louvre Automatic Window (31"x41") 

SUPPORT

  • GreenhouseManual
  • Extension Instruction 
  • Call us for Installer
  • About us
Showroom Virtual Tour
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FAQs

MORE SIZES

Westmister 11x6

11x6

Westmister 11x8

11x8

Westmister 11x11

11x11

Westmister 11x13

11x13

Westmister 11x15

11x15

More sizes are available for pre-order, feel free to contact us

REVIEWS

Store Reviews

Customer Reviews

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Option & Accessories

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Door & Shelving

  • Additional Sliding Doors
  • Additional Hinged Doors
  • Lowered Threshholds for Doors
  • Drop Kits for Doors for knee wall
  • Top Shelf
  • Bottom Shelf (Seed Tray)
  • Slatted Shelving
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Window

  • Additional Roof Vents
  • Push-Open Side Windows
  • Additional Louvre Windows
  • Fly Screens for Windows
  • Covers for Louvre Windows
  • Restraint Cable System for Roof Vents
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Climate Moderation

  • Shade Curtain
  • Exhaust Fan
  • Solar Powered Exhaust Fan
  • Intake Vent
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Miscellaneous

  • Wheelbarrow Ramp
  • Scroll Supports
  • Solar Light
  • T-Bolt

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The Alton Westminster Greenhouse combines timeless beauty with exceptional functionality, featuring a spacious 11ft width and height that creates a grand, open interior. Crafted from 100% Western Red Cedar and supported by an aluminum base frame, it’s built to last while offering ample light for plant growth and a relaxing space to enjoy your garden. The steep roof pitch ensures snow easily slides off, making it ideal for colder climates.

FEATURE

  • Spacious Design: 11ft wide and tall for maximum growing space and comfort.

  • Durable Construction: Made from rot-resistant Western Red Cedar and reinforced with thick timber glazing bars.

  • Elegant Style: A blend of wood and expansive glass for timeless appeal.

  • Snow-Resistant Roof: Steep pitch prevents snow buildup, perfect for cold-weather gardeners.

  • Insect Deterrence: The natural aroma of cedar helps repel pests.


GREENHOUSE INCLUDE

  • Greenhouse Frame
  • 4mm Glass or 10mm Poly Panels
  • (3) Roof Window 
  • (2) Automatic Window Opener
  • (1) Spindle
  • (1) Louvre Window w/ Clear lexan cover for winter
  • (1) Sliding Door
  • 6" High Large Bottom Frame/Base
  • Large Gutters with downspout
  • Misting System