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Vitavia 8x12 Phoenix 9900 Greenhouse

Vitavia 8x12 Phoenix 9900 Greenhouse - Toughened Glass
FREE Delivery 4-6 Weeks ⛟
SAVE £181
Click to enlarge - For illustration purposes.

Quick Code: P17119

SAVE £25 EXTRA

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  • 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
Greenhouse Size Diagram

Greenhouse Dimensions

A: Greenhouse width

2564mm (8′ 4″)

B: Greenhouse depth

3868mm (12′ 8″)

C: Ridge height

2460mm (8′)

D: Eaves height

1510mm (4′ 11″)

E & F: Door Size

1220mm (4′) x 2000mm (6′ 6″) (aperture)

Minimum Base Size

2564mm (8′ 4″) x 3868mm (12′ 8″)

Growing Area

9.9m2

Customise your Greenhouse

More Sizes:

Select your Glazing:

Which glass do I need?

Horticultural Glass

This is standard greenhouse glass with 2' x 2' panes that overlap and join with S clips. This glass breaks into shards.

Toughend Glass

Recommended! Toughened Glass is much stronger than Horticultural glass and won't crack. If it does break it disintegrates into hundreds of small pieces.

Polycarbonate Glazing

Polycarbonate Glazing is ideal for family gardens where safety is the No 1 priority. It's virtually unbreakable and won't shatter.

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.

Get it installed by Professionals?

Installation

Please Note: Installation requires an optional base plinth (if available) on a flat, level surface like slabs, concrete, or decking that meets the minimum base size. The package includes the greenhouse, ventilation, and downpipes only; accessories and groundwork are excluded. Installation will be carried out 2-8 weeks after the delivery of your Greenhouse.

Installation
£600

Add Black Cresting?

Vitavia Black Roof Cresting
+ £115

Complete the look of your Vitavia greenhouse with ridge crestings

Black Cresting information

Vitavia Black Roof Cresting - £115.00
Vitavia Black Roof Cresting

Complete the look of your Vitavia greenhouse with ridge crestings


Add Ventilation?

Auto Roof Vent Opener
+ £38

This automatic opener for your roof vents will automatically open your roof vents to ventilate your greenhouse when it becomes too hot.

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Curtain Shading
+ £27

Curtain shading will protect your plants from sun scorch and provide shade to moderate temperature. 6ft x 8ft.

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Auto Louvre Opener
+ £48

This automatic opener mechanism will open your louvre window for you when you’re not around. No need to worry about ventilation, this does it automatically for you! (Does not include louvre window).

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Ventilation information

Auto Roof Vent Opener - £38.00
Auto Roof Vent Opener

This automatic opener for your roof vents will automatically open your roof vents to ventilate your greenhouse when it becomes too hot.


Curtain Shading - £27.00
Curtain Shading

Curtain shading will protect your plants from sun scorch and provide shade to moderate temperature. 6ft x 8ft.


Louvre Window - £45.00
Louvre Window

A louvre window brings fresh cool air into your greenhouse to moderate the temperature inside. An essential add on.


Auto Louvre Opener - £48.00
Auto Louvre Opener

This automatic opener mechanism will open your louvre window for you when you’re not around. No need to worry about ventilation, this does it automatically for you! (Does not include louvre window).


Add Staging?

£11 off
2 Tier Staging Silver
+ £88

This 2 Tier Vitavia silver greenhouse staging gives you a handy work surface with additional low level storage. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)

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£10 off
1 Tier Staging Silver
+ £69

This 1 Tier Vitavia silver greenhouse staging gives you a handy work surface and storage area. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)

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Folding Staging Silver
+ £52

This silver staging simply folds out from the frame of your greenhouse when you need it and is supported by 2 folding legs.

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Silver Shelf
+ £35

Silver aluminium shelf that fixes to side of greenhouse. 122cm x 15cm

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Staging information

2 Tier Staging Silver - £88.00
2 Tier Staging Silver

This 2 Tier Vitavia silver greenhouse staging gives you a handy work surface with additional low level storage. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)


1 Tier Staging Silver - £69.00
1 Tier Staging Silver

This 1 Tier Vitavia silver greenhouse staging gives you a handy work surface and storage area. Dimensions: 76cm (H) x 50cm (D) x 120cm (W)


Folding Staging Silver - £52.00
Folding Staging Silver

This silver staging simply folds out from the frame of your greenhouse when you need it and is supported by 2 folding legs.


Silver Aluminium Shelf - £35.00
Silver Aluminium Shelf

Silver aluminium shelf that fixes to side of greenhouse. 122cm x 15cm


Add Extras?

Screwhooks
+ £7

These handy screwhooks screw into the roof bars of your greenhouse for to attach wire or string to for growing vine plants like tomatoes. 10 screwhooks per pack.

Qty 1
Max/Min Thermometer
+ £23

This thermometer will tell you your maximum daytime temperature as well as record the lowest night time temperature in your greenhouse.

Water Butt Connecting Kit
+ £15

Hose and connector fittings to connect your Vitavia Downpipe to your Vitavia Water Butt.

Qty 1

Extras information

Screwhooks - £7.00
Screwhooks

These handy screwhooks screw into the roof bars of your greenhouse for to attach wire or string to for growing vine plants like tomatoes. 10 screwhooks per pack.


Max/Min Thermometer - £23.00
Max/Min Thermometer

This thermometer will tell you your maximum daytime temperature as well as record the lowest night time temperature in your greenhouse.


Rainwater Downpipe Kit - £16.00
Rainwater Downpipe Kit

Kit contains 2 x Downpipes to collect the rainwater from the gutters in your greenhouse.


Water Butt Connecting Kit - £15.00
Water Butt Connecting Kit

Hose and connector fittings to connect your Vitavia Downpipe to your Vitavia Water Butt.


Add Bar Capping?

Glazing Bar Capping
+ £139

Adding Bar Capping to your greenhouse makes the glazing fully secure in the frame. This is particularly advantageous with Polycarbonate that can flex in windy conditions.

Bar Capping information

Capping replaces the wire clips that hold your glass in the greenhouse frame.

Glazing Bar Capping - £139.00
Glazing Bar Capping

Adding Bar Capping to your greenhouse makes the glazing fully secure in the frame. This is particularly advantageous with Polycarbonate that can flex in windy conditions.


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.

  • 2564mm (8ft 4") Wide Greenhouse - Useable Growing Space.
  • 3mm Toughened Glazing - Full Length Safety Glass.
  • Low Threshold Entrance - "No Trip" flat entry, safe and convenient.
  • Double Sliding Doors - Easy access for wheelbarrows and wheelchairs.
  • Anodised Aluminum Frame - Stays Fresh and Shiny.
  • Extra Roof and Corner Bracing - Added Strength and Rigidity.
  • Integrated Base Plinth and Gutters
  • 4 Opening Roof Vents
  • High Eaves at 1510mm
  • 12 Year Manufacturers Warranty

Delivery is currently Within 4-6 Weeks to UK Mainland for Greenhouses, 3-5 Working days for Accessories only.

Optional Installation: If selected, Installation will be carried out 1-8 weeks after the delivery of your Greenhouse. The Installation Team will contact you directly to book in your installation.Our installation service requires a level concrete, slabbed, or decked area to the minimum size stated on the website. Failure to provide a suitable base area may result in you being charged for the failed installation. If you require staging or shelving assembly, you can arrange it directly with the installation team.

Greenhouse Size Diagram

Greenhouse Dimensions

A: Greenhouse width

2564mm (8′ 4″)

B: Greenhouse depth

3868mm (12′ 8″)

C: Ridge height

2460mm (8′)

D: Eaves height

1510mm (4′ 11″)

E & F: Door Size

1220mm (4′) x 2000mm (6′ 6″) (aperture)

Minimum Base Size

2564mm (8′ 4″) x 3868mm (12′ 8″)

Growing Area

9.9m2

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

  • Do I need a Vitavia Base Plinth?

    Yes, you'll definitely need some kind of base for your greenhouse. Here's why:

    1. The front door end of the frame sits a bit lower than the rest of the greenhouse.
    2. This means it needs to hang over something sturdy, like timber battens or a Vitavia Steel Perimeter base.
  • Why choose a Vitavia Steel Perimeter base?

    It's a great option because it:

    • Helps make sure your greenhouse is nice and square
    • Keeps everything level before you start adding the glass

    Think of it as giving your greenhouse a solid foundation to stand on. It's like making sure your house has good footings – it just makes everything more stable and secure. Remember, a well-set base means a happier, longer-lasting greenhouse!

  • How do I prepare the base for my greenhouse?

    For best results, build your greenhouse on a perfectly square and level slab or concrete base, or use anchor spikes if you have a Vitavia Base. You'll find the exact measurements and instructions for using the spikes in Section '0' of your assembly guide.

  • How is the Greenhouse Packaged?

    Your greenhouse frame and base will arrive in long, thin boxes made of sturdy cardboard. The glass packaging depends on what you've ordered: boxed for horticultural glass, or as individual sheets for full pane toughened glass.

  • Where do I find the assembly instructions?

    The assembly instructions will be in the main greenhouse box, and it will clearly state “assembly instructions in this box”. You can email us at sales@greenhousestores.co.uk and we can email them to you also.

  • How long does it take to build?

    Building your greenhouse is typically a weekend project: set aside Saturday for the framework and Sunday for glazing. Remember, it's crucial not to leave the greenhouse partially glazed, and the time may vary depending on the size of your greenhouse.

  • Where should I start with my greenhouse assembly?

    Begin by thoroughly reading the assembly instructions, then prepare the ground, assemble the base frame, build the greenhouse frame, and finish with glazing - in that order. Follow the instructions step-by-step, including the summary at the front of the manual, to ensure a smooth assembly process.

  • What if I'm missing parts or something is damaged?

    If you discover any missing or damaged parts, don't worry - we're here to help! Simply email us at support@greenhousestores.co.uk with your order number, and we'll get in touch with you as soon as possible to resolve the issue.

  • Do you provide installation services?

    If you're interested in this service, just add the Installation option above. One of our Professional Greenhouse Installers will install your new greenhouse for you. All we need is a properly prepared flat slab or concrete base to fit your greenhouse onto.

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