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Description
green westminster hollandrad Alton Westminster Cedar GreenhouseExpand 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
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.
Specifications
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)
Accessories
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
Alton/Exaco
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 3
Not indestructible but pretty darn tuff for sure!
Size: Large, Color: Blue
I would have maybe given a better rating if they hadn’t lied about it being indestructible and recommended it for my dogs size range! It didn’t last the first day. However my dog may be a bit above average when it comes to his relationship with the balls! It’s an issue and he should probably be in a 12 step program of some kind. But we all have our vices right and his is balls. All of them he needs em and he never stops joining for them and the stronger they are the more he’s driven to defeat it! So now that you have full disclosure from me. The ball is still in his box and it’s still round and mostly intact and that’s after several months! The part that didn’t last the first day was the squeaker! Poor little dude! If he would have just stayed quite it. But he didn’t and Bo dog knew he was in there! And made short work of him. Other than that. The ball pretty dang tough! But it’s not indestructible is it a big deal. Well in this world of way to many choices and then having to find the few that will tell you honestly what your getting and are not over stating their product! Just to get your money. And couldn’t care less about the quality! It sucks that we have to navigate all the crap to find the few decent things available. So it most certainly does matter! And I say that for their benefit the most hopefully! Because people are craving and constantly looking for a company that just makes the effort to put out the best they can. And tell you the honest description of what they have. That stands behind their work and puts more effort into quality then they do into profit. With the faith that the quality and integrity in their company will end up bring them the profits they can be proud of and know that they earned! Honestly! Is this company one of those! I don’t know? It’s not clear and in their defense I never reported the sneaky man’s demise on day one! I expected that. But indestructible is a descriptive word that has a very specific meaning. And when it’s used in a manner that it was! Then you’ve set yourself up to fail as there are very few things that meet that description! And I know I’m picking hairs here. But it’s words that get used like that wich makes one appear to have not met the standard they wanted to! And maybe you don’t realize its impact on your overall until it’s far down the road! Can it be said better. Sure . Always room for improvement. But I would certainly remove the claim that’s just unreasonable to expect. If I wanted to use the benifit the does have to offer perhaps I would have said this ball is the closest thing to indestructible we’ve made so far. That’s statement tell me that they are not claiming it is but that it’s pretty tough! And it with out exact words tells you these guys must take honesty seriously or they wouldn’t have chosen to claim the accurate step below. And that lets me know that they hold themselves to a standard that they obviously respect their customers and they don’t take them for granted that’s integrity right there and there’s just not enough of it o. This world today! Seems to me that there are a few that are really close to it though. Maybe so close it’s worth the time to just go ahead and say it. If my gut feeling is right then it’s absolutely worth the time! Do I recommend the item absolutely it’s as tough as nails! And if you hate the squeaky part. Then don’t worry it won’t last long if your dogs like mine. Or you can take the little dude out when the dogs sleeping! And I’m going to add a star because when I look at it in the wider view I’ve been a bit harder then is justified I believe. Their. Our lives today are not as good as they once were and should be! Because of our bad habit of not holding ourselves to the standards we are capable of and rather settling for what’s out there at the time. Because of many reasons right. What’s the point. Or it’s not going to change a thing. Or that as good as it needs to be. Don’t want to seem so picky and all the justification we inject in the place of our potential. That’s had a vey negative effect across the board! And we’re losing so much more then quality dog toys as a result. When we let or standards drop due to whatever reasons as a civilization then are standards drop. And that’s all you should need to know. To understand where that leads! And we only do ourselves the disservice and loss that comes from those choices. So look around and don’t hesitate to. All out that when you see it. Just try and come from a place that’s not to tear things down but to remind them of what they are really capable of! And how much we all need to hold ourselves to the highest standard we are capable of! And stop justifying excepting less! And then we see the results from that rather than the other.
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Reviewed in the United States on August 18, 2025
★★★★★ 5
MUST BUY! For large Dogs Safe & Fun! 100lb Dutch shepherd loves this
Size: Large, Color: Blue, Size: Large, Color: Blue
I have 100 pound Dutch Shepherd who likes to chew and he goes through toys pretty quickly. This one he has been chewing on for hours and has not made a dent, not one!! he loves it. He bounces it. It’s very bouncy. I love that about it the engagement with it is great! noise level. It makes some noise. I’ve got wood floors so you can hear it bouncing and the squeak is pretty loud, which is fine with me. It doesn’t bother me. My pet really really enjoys this a lot. I think this is an amazing value for the money because I’ve spent more money on other toys and they fell apart within a day. I think it’s a safe toy because he’s not got a little hard plastic pieces that are coming off of it. It does not break apart very easily and the size is good. it fits in the palm of my hand so it’s pretty good size ball for him. It’s big enough. He cannot swallow it, but he can fit it in his mouth. I think the thing that I like the most about it and he enjoys is that when he drops it, it bounces and he can chase it. Pet enjoyment 10 out of 10 engagement 10 out of 10. I feel it’s very safe dog friendly absolutely must buy hands-down. You will not be disappointed. It’s made of a very strong. I would say rubber and it’s super easy to clean. Just toss it in the sink. Wash it off with soap and water rinse it. It’s good to go. I’m running to buy another one right now as we speak so just in case he loses it, he’ll have a backup.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great, solid toy safe for my dog
Size: Large, Color: Blue, Size: Large, Color: Blue
This ball is great! My pit bull love toys, especially ones with squeakers, but she’s a power chewer and trashes them almost immediately. Since she’s got a history of swallowing foreign bodies, this means she’s rarely been able to have toys, and when she does get them, it’s short lived. She LOVES this ball and it’s already lasted multiple weeks with no signs of any damage, despite the fact she carries it everywhere and chews on it daily. We don’t have to worry about her safety with this toy, because it’s large and tough enough she can’t swallow anything. It hasn’t lost its squeak either despite all her tough love. She loves to play with it and we’re getting more of them asap so she has a backup if this one gets lost or eventually does break.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Truly indestructible
Size: Large, Color: Blue
They are not kidding, this ball is truly indestructible. I've gotten several for my dogs so they have plenty to share. Two of my dogs are beyond super chewers (bully breeds). One of the balls is missing the section that's glued into most of them, but the structure has still held up. And my dogs LOVE them.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Tough STINKY ball
Size: Large, Color: Red
This ball is the only one I've found that my dog can not destroy in seconds. He can chew on it for a few weeks before he works a hole in it. That's the good part. The bad side is the horrible smell! It doesn't seem to bother him, but it is horrible to my nose. It is so awful that I tried soaking it and dish soap and vinegar water overnight to see if I could make it go away. It was a little bit better but still stunk. Anybody got other suggestions on what could make the smell go away?
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Reviewed in the United States on April 12, 2026