Alton Evolution Six-LT Cedar Greenhouse
6ft5 wide (1960mm) x 12ft8 long (3866mm)



Alton £1971.15 with Black Friday offer
The discount will automatically be applied to your basket

If you have a nice wall that gets plenty of sun then this 6ft deep Alton lean-to greenhouse may well be ideal. The wall at the back of a lean-to greenhouse acts as a heat sink- regulating the greenhouse temperature during the day (reducing over heating) and storing the warmth of the day and releasing it during the night helping to keep you plants nice and snug.

You can position your sliding door on either end when assembling and this model is a part of the Alton Evolution range so it includes all of the standard features of benefits that have made Evolution models so popular – combining the beauty of wood with the modern practicality of powder coated aluminium.

Toughened glass comes as standard as well as good ventilation (louvre side vents plus automatic roof vents), aluminium base (so no cedar touching the floor), guttering and downpipes as well as superb optional staging and shelving.

This model comes with cedar capping as standard, however you can choose to upgrade to the maintenance free aluminium capping system which is powder coated in the elegant moss colour which is specifically chosen to blend in well with the greenhouse once it has weathered and turned into its natural silvery-grey colour.

Lean-to greenhouse dimensions diagram
  • A = Base width: 1,960mm (6ft5).
  • B = Length: 3,866mm (12ft8).
  • C = Eaves height: 1,700mm (5ft6).
  • D = Ridge height: 2,700mm (8ft10).
  • E = Door width: 560mm (1ft10).
  • F = Door height: 1,890mm (6ft2).
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Delivery of this greenhouse to Mainland England and Wales is FREE, parts of Scotland may be subject to a small charge. Delivery costs will be calculated and displayed at checkout before any payment is required

You will be contacted with a delivery date when your greenhouse is ready. This greenhouse is delivered straight from the factory on dedicated transport.

Please write in the comments box at checkout any dates (holidays etc.) you would like us to avoid.

Delivery to Northern Ireland may take longer.

About The Greenhouse People

Did you know...

The Greenhouse People offer a 30-day returns policy. You are welcome to return any item, no quibbles, no arguments.

Don't want to enter your card details via the web?

The Greenhouse People offer a unique optional service that allows you to place an order to the value of £300 or more and we will call you back to take payment.

 £3,092.00   Now £2,319.00 Ends: 24th November 2017
Product id: 5403
  • Toughened safety glass (full sheet) (more information)
  • Sliding door
  • Free 10 Year Guarantee (more information)
  • 2 x roof vents with Automatic opening (more information)
  • 2 x Louvre vents
  • Red Cedar Frame - warm and pest resistant
  • Gutter and a single down pipe including stop end
  • Low level threshold
  • Screw in cedar bar capping system
  • Extremely strong Cedar framework
  • Installation available for a fee (more information)

£2,319.00

  • Alton -6 Slat Louvre moss

    More information
    £126.00
    Alton -6 Slat Louvre moss

    Fitting neatly into the side panes of your greenhouse, Robinsons louvre vents provide valuable extra ventilation to help ensure healthier plants & produce. 


    The photo shows an optional auto louvre opener (extra cost), as standard the louvre comes with handle to open and close the vent.
  • Alton -Extra Evolution roof vent with auto opener

    More information
    £89.00
    Alton -Extra Evolution roof vent with auto opener
  • Alton 10 moss hanging basket brackets

    More information
    £19.00
    Alton 10 moss hanging basket brackets

     10 x Hanging basket bracket (10 pack) with a green finish

  • Alton 4 slat (25") wide Aluminium Staging (Moss) 12ft

    More information
    £260.00
    Alton 4 slat (25") wide Aluminium Staging (Moss) 12ft
    -Wheelchair friendly
    - Extend to any length
    - Height adjustable
    - No legs


    The 'no-legs'Cantilever set up means you can use the floor under the staging effectively for heavy pots or bags of compost without cluttering your main path.
  • Alton Bar Capping set (Moss Green) for Evolution Six-LT 12ft

    More information
    £167.00
    Alton Bar Capping set (Moss Green) for Evolution Six-LT 12ft
  • Alton Evolution Internal roof shading blinds

    More information
    £90.00
    Alton Evolution Internal roof shading blinds

    Designed to fit all Alton brand rectangular greenhouses. Not suitable for octagonal greenhouses.

    Alton Evolution Internal roof shading blinds can be used to protect plants from strong sunlight or to provide insulation over winter. The flexible nature of the fabric will allow automatic roof vents to operate without interference. 
  • Alton Evolution louvre opener

    More information
    £44.00
    Alton Evolution louvre opener

    Automatic attachment for a Louvre vent, fits most louvres.  Its fully adjustable to open over a range of temperatures.

    Some drilling is required to fit.

  • Alton Shelf 1ft wide 12ft Long (Moss)

    More information
    £198.00
    Alton Shelf 1ft wide 12ft Long (Moss)
    - Wheelchair friendly
    - Extend to any length
    - Height adjustable
    - No legs

    2 slat (12") wide Aluminium Shelf (Moss)

    The 1ft wide high level shelf adds vital extra storage space in the greenhouse and helps you to create a most efficient set-up.

£2,319.00