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    Vitavia 9x15 Grey Helena 11900 Lean to Greenhouse

    The Grey 15ft x 9ft Vitavia Helena Lean to has double doors that can be positioned at the front of the greenhouse or separated as single doors in both sides !

    Select your Colour:

    Add Extra Double Doors?

    Extra Set of Double Doors
    + £430

    Extra Double Doors information

    Extra Set of Double Doors - £430.00
    Extra Set of Double Doors

    Add an extra set of double doors to this greenhouse. (The doors on this greenhouse can be on the left, right or front of the greenhouse) Adding this option increases the delivery time to 4-5 weeks.


    Add Ventilation?

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

    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 Black - £49.00
    Louvre Window Black

    A louvre window brings fresh cool air into your greenhouse to moderate the temperature inside. An essential add on. Not available for Zeus models


    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?

    £23 off
    2 Tier Staging Black
    + £96
    Qty 1
    £15 off
    1 Tier Staging Black
    + £74
    Qty 1
    £10 off
    Folding Staging Green
    + £69
    Qty 1
    £10 off
    Black Shelf
    + £49
    Qty 1

    Staging information

    2 Tier Staging Black - £96.00
    2 Tier Staging Black

    This 2 Tier Vitavia black 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 Black - £74.00
    1 Tier Staging Black

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


    Folding Staging Green - £69.00
    Folding Staging Green

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


    Black Aluminium Shelf - £49.00
    Black Aluminium Shelf

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


    Add Extras?

    Max/Min Thermometer
    + £23
    Screwhooks
    + £7
    Qty 1
    Water Butt Connecting Kit
    + £17
    Qty 1

    Extras information

    Rainwater Downpipe Kit - £16.00
    Rainwater Downpipe Kit

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


    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.


    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.


    Water Butt Connecting Kit - £17.00
    Water Butt Connecting Kit

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


    The Grey 15ft x 9ft Vitavia Helena Lean to has double doors that can be positioned at the front of the greenhouse or separated as single doors in both sides !

    The Vitavia Helena 11900 Lean to in Grey is NEW FOR 2016 and can be used as a conservatory or a greenhouse. Because the Aluminium profiles are so tall this lean to really sucks in the light, making for a comfortable and warm environment for relaxing in and growing.

    The Grey Helena 9x15 lean to has 2 opening roof vents for ventilation, a smooth sliding double door and a 10mm polycarbonate roof for safety and minimizing heat loss.

    • 4.60m (15ft 1") Wide Lean to Greenhouse - Large Growing Space
    • Grey Powdercoated Frame - No rust or discolourisation!
    • Double Sliding Doors - Position either at the front or in either gable end!
    • Low Threshold Base - Easy no trip access through doors !
    • Integral Gutters - For Rainwater Collection.
    • Super Strong Frame - Install straight onto flat surface no base plinth required.
    • 4mm Float Glazing - Great Light Transmission.
    • 10mm Twin Wall Polycarbonate Roof - Safety and Heat Retention
    • 2 Opening Roof Vents - For Ventilation.
    • 10 Year Warranty - on frame and base.

    Delivery is currently within 4-6 weeks to UK Mainland.

    Your exact delivery day will be confirmed with you at least 3 days before the scheduled day by email.

    Optional Installation: If you have chosen optional installation, this may add 2-4 weeks to your delivery time as stated on the website. Our installation service is provided by Greenhouse Installations UK. If you require staging or shelving assembly, you can arrange it directly with the installation team.

    Lean to dimensions

    Greenhouse Size Diagram
    • A: 2660mm (8ft 8")
    • B: 4600mm (15ft 1")
    • C: 2390mm (7ft 9")
    • D: 1870mm (6ft 1")
    • E: 1187mm (3ft 10")
    • F: 1765mm (5ft 9")
    • Minimum size for your Lean to base: 2660mm x 4600mm

    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 [email protected] 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 [email protected] 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.