The Estate large U-shape glass greenhouse with central courtyard

Glass Greenhouse | The Estate

20'1" x 30'6" 506 - sqft
$ 20,190.00
Sale price  $ 20,190.00 Regular price 
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The Estate large U-shape glass greenhouse with central courtyard

Glass Greenhouse | The Estate

$ 20,190.00
Sale price  $ 20,190.00 Regular price 
Shipping calculated at checkout.
Description

The Estate — Our Most Majestic Glass Greenhouse

The Estate is our most majestic glass greenhouse — more than a greenhouse, it's a true glass living room for your garden. With its U-shaped layout wrapping around a sheltered courtyard, it's designed as a contemporary orangery: vast, light-filled volumes to grow, entertain, or create the four-season garden room you've always wanted.

Whether you're searching for a large glass greenhouse, a walk-in greenhouse kit, or a true glass garden room big enough to double as an outdoor living space, The Estate is built to be the centerpiece of your backyard — not just a structure hidden behind it.

Spectacular Volume, Wrapped Around a Courtyard

With generous footprints ranging, The Estate isn't a garden accessory — it's an entirely new room. Its U-shaped design encloses a sheltered central courtyard, creating a natural gathering space at the heart of the structure while three full wings give you room to grow, entertain, or simply live in, in every season. Few large greenhouse kits on the market offer this much usable, walk-around space under glass.

A Structure Built to Last

The Estate is built on powder-coated, reinforced aluminum profiles in matte black, joined with reinforced connectors for a rock-solid frame. It's a large greenhouse structure that stays true to its lines season after season — resisting weather and years of use without warping, sagging, or fading.

Smooth, Space-Saving Sliding Doors

A sliding glass door opens with a single motion and disappears into the design — no swing radius to plan around, no wasted space. Choose a single door, or double sliding doors for wide-open access and effortless flow through this large volume.

Exceptional Natural Light

Tempered safety glass floods the interior with light giving your plants the clarity and intensity of a real orangery, and giving you a space that feels calm, bright, and worth spending time in, whatever the season.

Ventilation and Drainage — Included, Not an Upsell

Temperature control matters in a structure this size, so 4 manual roof vent windows are included at no extra cost — not sold as an add-on like on many competing large greenhouse kits. The integrated rain gutter system with built-in drainage is included as well, protecting your foundation and keeping runoff exactly where you want it.

Three Grand Sizes, One Ambition

The Estate is available in three generous sizes, so you can match the scale of your glass greenhouse to your space and your vision — from a large dedicated growing room to a full garden pavilion built for entertaining.

More Than a Greenhouse

The Estate is a long-term investment in your passion for gardening, and a genuine living space in its own right — an exceptional room, close to nature, that transforms how you use your backyard all year long.


What's Included

  • Tempered-glass greenhouse with sliding door and roof window
  • Base kit for secure anchoring to soil or concrete
  • All fixings, glazing clips, and a detailed installation manual

Compatible with extra sliding doors, roof decoration, and automatic window openers.


Frequently Asked Questions

How big is The Estate glass greenhouse? The Estate is available in three sizes, making it one of the largest walk-in glass greenhouse kits available for residential backyards.

What does the U-shaped design offer? The Estate's U-shaped layout wraps three glass wings around a sheltered central courtyard, giving you a natural outdoor gathering space in addition to expansive growing and living space under glass.

What glass does The Estate use? The Estate uses tempered safety glass, for maximum brightness and residential safety compliance.

Does The Estate include ventilation? Yes. 4 manual roof vent windows are included with every Estate greenhouse at no additional cost, along with an integrated rain gutter and drainage system.

TECHNICAL SPECIFICATIONS

Access & equipment :

  • Sliding door (single or double depending on width)
  • Roof window included
  • Integrated aluminum base for secure installation

Included in the kit :

  • Tempered-glass greenhouse with sliding door and roof window
  • Base kit for secure anchoring to soil or concrete
  • All fixings, glazing clips, and detailed installation manual

Compatibility & options :

  • Compatible with additional sliding doors
  • Roof ventilation accessories and decorative roof elements
  • Automatic window openers available as options
SHIPPING & RETURNS

Free & Insured Shipping

Every order is shipped free of charge and fully insured, ensuring your greenhouse arrives safely at your home.

Processing & Delivery Time

Orders are typically prepared and dispatched within 1–3 business days. Estimated delivery time is 70–80 business days after dispatch. Delivery dates are estimates and may vary depending on production schedules, freight timelines, customs clearance, carrier operations, or other logistical factors. If your estimated delivery window changes, we'll notify you by email. View our Shipping Policy.

Returns & Refunds

You have 30 days after delivery to request a return, exchange, or refund in accordance with our return policy. View our Return & Refund Policy.

Assembly Guide

The complete step-by-step assembly guide for a smooth, hassle-free

Download full manual (PDF)

Free shipping
30-day returns

Discover

Our Glass greenhouses in motion

Living spaces designed to blend elegantly into your everyday life.

Before you order

What's included in your shipment

In the box
Aluminum frame and structural profiles
Glass panels
Sliding door and door components
Roof window(s) for your selected size
Gutter and downpipe components
Glazing seals and rubber strips
Bolts, nuts, screws & fasteners
Detailed assembly instructions

The number of roof windows depends on the size you select.

What tools do I need? (11 items)
Required tools (not included)
Rubber mallet
Measuring tape
Spirit level
PZ2 screwdriver
3/8", 1/2" & 11/16" wrenches
Cordless drill
1/8" hex key
Utility knife
Soap, for fitting rubber seals
Silicone gun and silicone
Ladder
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Free US Shipping Delivered free across the US
Secure Checkout Shop with confidence - your transaction is fully protected.
A Partner You Can Trust Dedicated support - your peace of mind, guaranteed.
Free US Shipping Delivered free across the US
Secure Checkout Shop with confidence - your transaction is fully protected.
A Partner You Can Trust Dedicated support - your peace of mind, guaranteed.
Easy to install

Set up by two, in less than 5 days

No expertise needed. Your greenhouse comes with step-by-step illustrated instructions and only requires common household tools.

2 people minimum
Less than 5 days
Common tools only
STEP 1

Prepare the base

Level the surface, set the frame and anchor it firmly to the ground.

STEP 2

Assemble the structure

The uprights and roof sections click and screw together easily.

STEP 3

Install the glazing

Tempered glass panels and rubber seals are set into place securely.

STEP 4

Doors & windows

Hang the doors and install the opening windows. Your greenhouse is ready.

Through the seasons

A greenhouse for every season

From the first seedlings of March to the harvests of December, your greenhouse is with you all year long.

Spring
Spring

Start your seedlings early, sheltered from the last frosts.

Summer
Summer

Tomatoes, herbs and flowers thriving in full abundance.

Fall
Fall

Extend your harvests, protected from wind and rain.

Winter
Winter

A green refuge, even under the snow.

Our story

We started PrimeGreenhouses to fix a simple problem: most greenhouses don't hold up.

At PrimeGreenhouses, our mission is clear: to help every gardener grow more, all year round, in a space built to last. Today, we design robust greenhouses built to withstand the toughest conditions and stand the test of time.

Every greenhouse is the result of rigorous work, using high-quality materials that combine strength and beauty, for hobby gardeners and seasoned growers alike. Our collection is crafted with the greatest care, and each model is made to order — so you can start planning your next growing season with confidence, knowing your greenhouse is built specifically for you.

Our story
Frequently asked questions

Everything you need to know before ordering

Answers to the most common questions about our glass greenhouses.

No full concrete slab required. The greenhouse sits on a flat, stable surface with the four corners anchored - ideally set in concrete. Concrete footings or pads are also an option, especially in very windy areas.

Not at all. The greenhouse is designed to be assembled by two people in 2 to 3 days using common tools and illustrated step-by-step instructions.

Yes. The reinforced aluminum structure and tempered safety glass are built for tough conditions. In the event of a storm, simply close all doors and windows and clear heavy snow from the roof after snowfall.

Yes. Tempered safety glass is significantly more impact-resistant than standard horticultural glass. If it does break under extreme impact, it shatters into small, non-sharp pieces - making it much safer and more durable, especially against hail.

Maintenance is minimal. The aluminum frame does not rust and wipes clean with soapy water. The glass panels wash like standard windows, inside and out, to keep light transmission at its best throughout the seasons.

Each greenhouse is prepared to order. Orders are typically processed and dispatched within 1–3 business days, and the estimated delivery time is 70–80 business days after dispatch. Shipping is free, tracking is included, and our team is available for any questions about your delivery.

Not sure yet?

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Talk to one of our greenhouse specialists. We’ll help you choose the right model.
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