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£20 OFF Greenhouses!

Use code SPRING20 at checkout min order £599 (Greenhouses)

Vitavia 8x12 Phoenix 9900 Greenhouse

  • 8ft 4" wide x 12ft 8" deep
  • Anodised Aluminium Frame
  • 3mm Toughened Glass
  • Includes Base Plinth with No Step Entrance
  • 4 x Roof Vents
  • Double Sliding Doors
  • High Ridge Height
  • Built in Gutters
  • 12 Year Warranty
  • Easy to install

More Sizes:

Select your Colour:

Get it installed by Professionals:

Installation requires that you purchase the Base Plinth Option if one is available. You MUST have a surface of slabs, concrete or decking. NOT soil or gravel.

Installation
£600

Add Black Cresting?

Vitavia Black Roof Cresting
+ £115

Add Ventilation?

Auto Roof Vent Opener
+ £38
Qty 1
Curtain Shading
+ £27
Qty 1
Qty 1
Auto Louvre Opener
+ £48
Qty 1

Add Staging?

£11 off
2 Tier Staging Silver
+ £88
Qty 1
£10 off
1 Tier Staging Silver
+ £69
Qty 1
Folding Staging Silver
+ £52
Qty 1
Silver Shelf
+ £35
Qty 1

Add Extras?

Screwhooks
+ £7
Qty 1
Max/Min Thermometer
+ £23
Water Butt Connecting Kit
+ £15
Qty 1

Add Bar Capping?

Glazing Bar Capping
+ £139

The 8x12 Silver Vitavia Phoenix Greenhouse with toughened safety glass is a super practical large greenhouse with room for all manner of staging and shelves.

NEW - Low Threshold Entrance means that there is nothing to step over when you enter the greenhouse. This is very safe, as there`s nothing to trip over. It`s also great for access if you use a wheelchair or for getting in and out with a wheelbarrow.

NEW - Integrated Perimeter Base Plinth on the Phoenix Greenhouse adds strength and keeps the greenhouse rigid, square and strong. Along with the added corner and steel roof bracing, this greenhouse is perfect for the UK gardener.

3mm Full Length Toughened Safety Glass gives the Phoenix superb rigidity, weight and safety. The full length panes fill each panel in the greenhouse, preventing little drafts and help to keep the greenhouse square and stable. If this toughened glass breaks it shatters into tiny harmless pebbles, not dangerous shards that could injure you making this glazing ideal for safe use in gardens and institutions.

This silver framed Vitavia Phoenix 9900 8ft x 12ft has 4 opening roof vents for superb ventilation, sliding double doors and integrated base and gutters.

Also known as the Vitavia Arizona.

Vitavia Low Threshold Greenhouse Base
low-threshold base

Vitavia's low-threshold base makes entering your greenhouse simple and safe:

No step to trip over - Walk straight in with wheelbarrows or mobility aids
Built into the frame - Strong, stable foundation that's part of the structure
Easy gardening - Move plants and tools in and out without hassle

Perfect for gardeners who want convenient, accessible greenhouse entry.

Toughened Safety Glass
Toughened Safety Glass

Our toughened safety glass offers superior clarity and durability. It's designed to break into small, less harmful pieces, providing enhanced safety for your greenhouse environment.

Anodized Greenhouse Frame
Durable Anodized Frame for Long-Lasting Performance

Our anodized frame offers enhanced durability, resists corrosion, and requires low maintenance. It's designed to withstand harsh weather conditions, providing long-lasting protection and a sleek, modern look for your greenhouse.

Vitavia Greenhouse
Vitavia Greenhouses

Vitavia Greenhouses are known for their high-quality construction, featuring corrosion-resistant aluminium frames and a range of glazing options. Designed for both novice and experienced gardeners, they offer durability, style, and excellent growing conditions.

Vitavia Greenhouse 12 Year Warranty
12 Year Warranty

Vitavia greenhouses come with a 12-year warranty on the greenhouse frame. This warranty covers any manufacturing defects in materials or workmanship. However, it does not cover glass, polycarbonate or Wind Damage. The warranty is only valid if the greenhouse is assembled according to the provided instructions

Frequently Asked Questions

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How to Prepare the Ground for a Greenhouse Base

How to Prepare the Ground for a Greenhouse Base

A solid base is the backbone of any greenhouse. You might think skipping this step saves time, but trust me—I've seen plenty of greenhouses fail because of poor foundations. A dodgy base causes more headaches than you'd believe.

What happens with a bad base? Glass cracks. Doors jam. The structure twists. Water pools where it shouldn't. And fixing these problems costs way more than doing it right first time.

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Best Position for a Greenhouse UK

Best Position for a Greenhouse UK

Placing your greenhouse in the right spot makes all the difference between thriving plants and disappointing results. As a greenhouse specialist who's spent 15 years helping UK gardeners optimise their growing spaces, I've seen first-hand how position affects everything from temperature regulation to plant health.

Let me share what actually works in our unique British climate. The greenhouse position might seem like a minor detail, but it's one of those things that can make or break your growing success. I made this mistake myself when I first started - my poorly positioned greenhouse meant I was fighting an uphill battle with inadequate light and temperature fluctuations.

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