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Review This ProductElite Kensington 4 x 20 ft Lean To Greenhouse
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Product Code: ELI-KEN4-20
Description
The Elite Kensington 20ft long lean to greenhouse is the largest in the 4ft wide range, built from high quality aluminium that will not rust, warp or rot.
It's an exceptionally rigid frame, maintenance free, that you can personalise into a bespoke structure using Elite's exceptional list of optional accessories.
First of all, choose a colour for the frame. The alternatives start at milled aluminium and in addition there are several different coloured powder coatings, you certainly won't be limited to the usual green or silver.
Then you must decide on the number of entry points that are needed. Single doors can be installed at one or both gable ends, and further smooth sliding doors may be located at the front of the greenhouse. The latter can be double, so dramatically increasing accessibility.
Summer heat can increase the temperature inside a greenhouse to heights that are detrimental to plants. So three roof vents and a louvre are already fitted. You can choose to install more vents to draw in cooling air and also to have automatic openers, so that when you are away from home temperature and humidity are kept at acceptable levels.
If the lean to is positioned so that you can access it straight from the house, you must install toughened glass. Otherwise you have the alternatives of horticultural or polycarbonate glazing. Bar capping, the same colour as the frame, can be fitted to improve the greenhouse's appearance and further secure the glazing.
With so much space to grow a large selection of plants, shelving and staging in addition to the standard aluminiul extruded shelf is essential. You'll find lots to choose from on the list of accessories, different widths and configurations that will be so useful in such a productive growing area.
The heavy duty durable gutter not only provides extra strength for the greenhouse, the rainwater that's collected can be channeled into a butt by the popular rainwater collection kit, ready to be recycled. Plants really do prefer it to tap water.
Finally, you must remember that a base is always required. This can be handbuilt with bricks or slabs but probably the best solution is to buy an Elite base that is specifically designed for the job and can be the same colour as the frame.
Please note that the photographs illustrate various Kensington greenhouses and show both standard features that are listed below and optional accessories that can be purchased separately.
Elite Kensington Lean To Features:
- Finger tip control of sliding door
- Strong integral gutter giving strength at the eave
- Three roof vents
- All clips are stainless steel, not galvanised, to prevent rust
- Maintenance free, rigid aluminium frame, which will not rust, warp or rot
- One five bladed side louvre
- Internal Shelf
- Choice of three types of glazing
- Comprehensive instruction manual
- Doors can be situated on either gable or front
Dimensions:
- External Height To Ridge: 224cm (7ft 4ins)
- External Height To Eaves: 180cm (5ft 11ins)
- External Width: 629cm (20ft 7½ins)
- External Depth: 130cm (4ft 3ins)
- Door Opening Height: 175cm (5ft 9ins)
- Single Door Opening Width: 60cm (1ft 11½ins)
- Double Door Opening Width: 120cm (3ft 11ins)
- Base Height: 12cm (5ins)
In Stock
Buy now, pay later with PayPal Credit
Delivery usually within 22 - 24 Weeks
(30 Weeks for Powder Coated Frames)
Select Your Options
Option 1 > Choose Your Frame Colour
Please select from the following ten frame colours. Milled Silver aluminium is pre-selected by default and is the standard option. However, powder coated frame options are also available at an additional cost.
See our handy details page here for more information on powder coating options.
with Standard Milled SILVER Aluminium Frame (ALU)
Enjoy your new greenhouse frame in the standard, no extra cost, Milled Silver Aluminium.
with GREEN Powder Coated Frame (GRE)
Upgrade from the standard frame to a high class, hard wearing, professional green powder coated finish.
with TERRACOTTA Powder Coated Frame (TER)
Upgrade from the standard frame to a high class, hard wearing, professional terracotta powder coated finish.
with WHITE Powder Coated Frame (WHI)
Upgrade from the standard frame to a high class, hard wearing, professional white powder coated finish.
with BLACK Powder Coated Frame (BLA)
Upgrade from the standard frame to a high class, hard wearing, professional black powder coated finish.
with GRAPHITE Powder Coated Frame (GRA)
Upgrade from the standard frame to a high class, hard wearing, professional graphite powder coated finish.
with BROWN Powder Coated Frame (BRO)
Upgrade from the standard frame to a high class, hard wearing, professional brown powder coated finish.
with BERRY Powder Coated Frame (BER)
Upgrade from the standard frame to a high class, hard wearing, professional brown powder coated finish.
with OLIVE Powder Coated Frame (OLI)
Upgrade from the standard frame to a high class, hard wearing, professional brown powder coated finish.
with STONE Powder Coated Frame (STO)
Upgrade from the standard frame to a high class, hard wearing, professional brown powder coated finish.
with NAVY Powder Coated Frame (NAV)
Upgrade from the standard frame to a high class, hard wearing, professional navy powder coated finish.
with MOCHA Powder Coated Frame (MOC)
Upgrade from the standard frame to a high class, hard wearing, professional mocha powder coated finish.
Option 2 > Choose Your Greenhouse Glass
We offer three different types of glazing: 3mm Horticultural Glass which is pre-selected by default, but you can upgrade to single sheet Toughened Glass or 6mm Polycarbonate Glazing here.
As Horticultural Glass is included in your frame price it is a NO COST option. The additional cost of Toughened Glass or Polycarbonate Glazing is indicated below.
Please Note: Greenhouse glass images below are for guidance only.
with 3mm Horticultural Glass
Horticultural 3mm float glass as traditionally used in greenhouses. This is the standard minimum specification and is INCLUDED with your frame choice.
Provided in traditional panes which are supported using overlapping clips. This type of glass isn't recommended if you have children or pets around due to the more fragile nature.
with Single Sheet Toughened Glass
Toughened to British Standard Class 6206 Grade A and European Standard EN12150 for maximum light and extra safety. All toughened glass models in this range utilise full sheet glass in the roof and side walls. This makes for a much cleaner line with no build up of moss or algae where the sheets of glass would normally overlap.
with 6mm Polycarbonate Glazing
As well as the safety element it is a superb insulator, with the air trapped between the inner and outer skin acting as a mini double glazing unit. This will reduce winter heating costs. To aid growing polycarbonate defracts the sun's rays twice as it passes through the twinwall. This effect disperses the light far more evenly around the greenhouse. Supplied in a full sheet format and offers a more opaque appearance.
Option 3 > Do I Need a Base?
Yes, quite simply you do. Greenhouse frames need to lip over a base (or upstand) which also allows the door to lip under the frame. The base also gives you the required height needed inside your greenhouse. Without a base your greenhouse would be 5ins too low.
Preformed Alloy Bases are available in either milled silver aluminium or powder coated to match your chosen frame colour. All Elite Supreme Bases come complete with a drop door option which gives a low threshold. Alternatively, you can build a brick base but you will need to be accurate with your measurements.
No Alloy Base Required
Select this option if you intend to build your own Brick Base. Please note that the number of bricks used in the base height will result in a higher step-over into the greenhouse. Overlapping cills demonstrate a need for accuracy when building a brick base.
with Milled SILVER Alloy Base Frame
The perfect match to you milled silver aluminium frame.
with Matching Powder Coated Colour Alloy Base Frame
Colour coated to match your chosen coloured frame.
Option 4 > Bar Capping?
Bar capping is a continuous strip glazing system used instead of glazing clips, this gives a far neater streamlined appearance. It's made from PVC and is UVI treated.
For a more detailed explanation of what bar capping is, see our handy Bar Capping Guide here.
Please Note: Bar Capping is NOT suitable for use with horticultural glass. But is recommended for use with single sheet toughened and polycarbonate glazing.
with No Bar Capping
with Green Bar Capping
with Black Bar Capping
with Graphite Bar Capping
with Brown Bar Capping
with Terracotta Bar Capping
with White Bar Capping
with Olive Bar Capping
with Berry Bar Capping
with Stone Bar Capping
with Navy Bar Capping
with Mocha Bar Capping
Option 5 > Where would you like your door positioning?
A Single Door comes as standard and there is the option to upgrage to Double Doors however Double Doors cannot be fitted in the gable ends of a Kensington 4 or 6.
Please select from the options below where you would like your door positioning?
With Single Door Left Hand Gable
Single door to the left hand gable as you look at the Kensington Lean To from the outside.
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With Double Doors Along the Front
Upgrade to Double Doors along the front wall of the Kensington Lean To.
With Single Door Right Hand Gable
Single door to the right hand gable as you look at the Kensington Lean To from the outside.
Option 6 > Internal Partition with Single Door?
Would you like an Internal Partition? This option enables you to divide your greenhouse into 2 sections. This is ideal where you wish to create areas or zones for plants with differing needs.
Available in milled silver aluminium or powder coated coloured finish, complete with integral base and single door. You can also choose to have Bar Capping and all the glazing options are available.
If you choose an Internal Partition you will need to check 1 of the first 3 boxes below. You then add to your initial choice by checking any other appropriate boxes. You may have to check up to 4 check boxes. This is a complex option so please choose carefully!
We will contact to you to determine the final positioning of you partition.
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with Milled Silver Aluminium Partition with Horticultural Glass
Please select this option if you want your Internal Partition to be glazed with Horticultural Glass. Should you wish to upgrade from milled silver to a matching powder coated coloured frame ALSO tick the appropriate check box below. If required you can also add Bar Capping. Please tick the appropriate box below.
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with Milled Silver Aluminium Partition with Toughened Glass
Please select this option if you want your Internal Partition to be glazed with Single Sheet Toughened Glass. Should you wish to upgrade from milled silver to a matching powder coated coloured frame ALSO tick the appropriate check box below. If required you can also add Bar Capping. Please tick the appropriate box below.
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with Milled Silver Aluminium Partition with Polycarbonate Glazing
Please select this option if you want your Internal Partition to be glazed with Polycarbonate Glazing. Should you wish to upgrade from milled silver to a matching powder coated coloured frame ALSO tick the appropriate check box below. If required you can also add Bar Capping. Please tick the appropriate box below.
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with COLOUR Option Upgrade for Partition Only
This option upgrades your Internal Partition selected above from milled silver aluminium to your previously chosen frame colour. Do not select if you want milled silver finish.
Milled SILVER Base for Partition only
Choose this option if you want to add a milled silver alloy base to your partition.
COLOURED Base for Partition only
The Base for your Partition will be matched to your previously chosen frame colour
with Bar Capping for Partition Only
This will be colour matched to your previously chosen frame Bar Capping. If not selected standard Glazing Clips will be supplied. See notes about Bar Capping in Option 4.
Option 7 > Delivery Options
Standard Delivery within Mainland England, Wales and Mainland Scotland is Inclusive
See our Elite Greenhouse Delivery Guide (inc areas in Scotland classed as 'mainland' by our delivery company)
with FREE Standard Delivery within Mainland UK
Your greenhouse includes VAT and standard delivery within mainland UK, but excludes Offshore Islands, the Scottish Highlands and remote regions of Scotland, which will incur a separate delivery charge.
Please use the alternative delivery options if your delivery address is excluded from our inclusive option. Or contact us for a customised quote, including your full address and required greenhouse details.
with Delivery to SCOTTISH HIGHLANDS (x35)
Do you need your Elite Greenhouse delivering to the Scottish Highlands?
This option is ONLY available on orders OVER £399.00 before the EXTRA delivery charge is added. Unfortunately, we cannot deliver orders under this value to the Scottish Highlands.
with Delivery to NORTHERN IRELAND or the REPUBLIC OF IRELAND (x38)
Do you need your Elite Greenhouse delivering to Northern Ireland or the Republic of Ireland?
This option is ONLY available on orders OVER £499.00 before the EXTRA delivery charge is added. Unfortunately, we cannot deliver orders under this value to Northern Ireland or the Republic of Ireland.
Option 8 > Discuss with an Elite Technician
I would like to discuss my order over the phone with an Elite Technician
Please tick the check box if you would like to discuss your order with a Technician from Elite Greenhouses or if have ordered one or more of the below:
Option 5 > Add an Additional Single Door?
Option 7 > Internal Partition with Single Door?
This call will not be today but at a convenient time in the future. There is no charge for this call.
Accessories > Ventilation?
Ventilation is essential for any greenhouse no matter the size to ensure that the humidity and temperature inside provides the best growing experience for your new plants.
with Additional Roof Vent Window in SILVER
Vents in a greenhouse increase air flow and avoid excessive temperatures. It's simple to install, merely adapting one of the existing glass panels on the roof.
This is the standard milled aluminium silver version to match the same colour greenhouse frame.
with Additional Roof Vent Window in MATCHING POWDER COATED COLOUR
Vents in a greenhouse increase air flow and avoid excessive temperatures. It's simple to install, merely adapting one of the existing glass panels on the roof.
The vent window will be supplied in the matching powder coated colour as your greenhouse frame chosen above.
with AutoVent Automatic Roof Vent Opener
The AuotVent is an automatic window-opener. It's able to open and close a roof vent within a certain celsius range to vent your greenhouse when it gets overly hot. One Ventomatic will be required per Vent.
with Louvre Window in SILVER
A Louvre window lets you install an extra vent in the side of your greenhouse, aiding with ventilation.
This 5 Blade Louvre will be supplied in the standard milled aluminium silver frame colour.
with Louvre Window in MATCHING POWDER COATED COLOUR
A Louvre window lets you install an extra vent in the side of your greenhouse, aiding with ventilation.
This 5 Blade Louvre will be supplied in a matching powder coated colour as your greenhouse frame chosen above.
with Louvre Automatic Opener
When used in conjunction with an Elite Louvre window, this device can be pre-set to open the window as and when needed when the temperature reaches a certain degree.
Accessories > Staging?
These staging accessories allow extra workspace along the sides of your greenhouse.
Purchase one set of staging to fit across one side, or two sets to have staging across both sides of your greenhouse.
with 6ft Long (19inch Wide) 5 Slat Diamond Staging in SILVER
Elite's super strength slatted Aluminium staging can be fitted to any Elite greenhouse through the use of cantilever bracing which is attached directly onto the greenhouse framework with no visible legs, also keeping clear valuable work space underneath.
with 6ft Long (19inch Wide) 5 Slat Diamond Staging in MATCHING POWDER COATED FINISH
Elite's super strength slatted powder coated staging can be fitted to any Elite greenhouse through the use of cantilever bracing which is attached directly onto the greenhouse framework with no visible legs, also keeping clear valuable work space underneath.
with 8ft Long (19inch Wide) 5 Slat Diamond Staging in SILVER
Elite's super strength slatted Aluminium staging can be fitted to any Elite greenhouse through the use of cantilever bracing which is attached directly onto the greenhouse framework with no visible legs, also keeping clear valuable work space underneath.
with 8ft Long (19inch Wide) 5 Slat Diamond Staging in MATCHING POWDER COATED FINISH
Elite's super strength slatted powder coated staging can be fitted to any Elite greenhouse through the use of cantilever bracing which is attached directly onto the greenhouse framework with no visible legs, also keeping clear valuable work space underneath.
Accessories > Shelving?
By adding a shelf or two to your greenhouse, you'll have added workspace areas to store small tools, pots and seedlings. Each set of shelves comes complete with the necessary braces to install them to your Elite greenhouse frame.
You may decide to have one set along one side of your greenhouse, or alternatively purchase two sets to fit both sides of your greenhouse.
with 6ft Long (19inch Wide) 5 Slat Diamond Shelf in SILVER
Diamond shelving offers a strong, simple and practical shelf space which is designed to fit any Elite greenhouse.
Each shelf can be adjusted to any height you require and fit to your greenhouse framework with the included diagonal braces.
with 6ft Long (19inch Wide) 5 Slat Diamond Shelf in MATCHING POWDER COATED COLOUR
Diamond shelving offers a strong, simple and practical shelf space which is designed to fit any Elite greenhouse.
Each shelf can be adjusted to any height you require and fit to your greenhouse framework with the included diagonal braces.
with 8ft Long (19inch Wide) 5 Slat Diamond Shelf in SILVER
Diamond shelving offers a strong, simple and practical shelf space which is designed to fit any Elite greenhouse.
Each shelf can be adjusted to any height you require and fit to your greenhouse framework with the included diagonal braces.
with 8ft Long (19inch Wide) 5 Slat Diamond Shelf in MATCHING POWDER COATED COLOUR
Diamond shelving offers a strong, simple and practical shelf space which is designed to fit any Elite greenhouse.
Each shelf can be adjusted to any height you require and fit to your greenhouse framework with the included diagonal braces.
Accessories > Heating?
with Electric Palma 2KW Heater
A 2KW Electrical floor-standing heater that is ideal for smaller greenhouse where space is limited.
Using the separate digital thermostat you can set temperatures in the range of -50°C to + 99°C with an unrivalled output of 2000 W and air circulation rate of 400 m3/h. This ensures that your greenhouse is always maintained at the right level.
with Paraffin Heater Super Warm 5
Ideal as a frost heater in larger greenhouses or for more
concentrated use in a greenhouse up to 5 square metres, the
Super Warm 5 boasts a 4.5 litre capacity fuel tank which will
burn continuously for a staggering 3.5 days on one filling.
with Gas Powered 1.9KW Blue Flame Heater
The blue flame is 1.9KW and needs no electricity supply. The thermostatically controlled gas greenhouse heater comes complete with hose and regulator and is powerful enough to heat the larger range of greenhouses such as 20’ x 10’.
Accessories > Water Systems?
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with Elite Lean To Rainwater Kit
Each kit comprises of pipe work and outlets for one end of each gutter and stoppers to terminate the opposite ends. The system works by collecting the rainwater into a barrel or other designated outlet. Compatible with Elite’s unique half round integral gutter only.
with Elite 100 Litre Water Barrel and Stand
This compact and slim design water barrel offers a rigid moulded plastic design with a capacity of up to 100 litres (22 gallons). Made to complement the rainwater kit, this barrel ensures the collection of rainwater is a simple task, and when raised on the included stand allows for simple access to the incorporated tap.
with Elite 210 Litre Water Barrel and Stand
This Elite water barrel offers a rigid moulded plastic barrel design with a capacity of up to 210 litres (46 gallons). Made to complement the rainwater kit, this barrel ensures the collection of rainwater is a simple task, and when raised on the included stand allows for simple access to the incorporated tap.
In Stock
Delivery Information
Important Covid-19 Update - Monday 5th October 2020
Delivery timeframes have been extended to up to 22 - 24 weeks for aluminium frames and 30 weeks for powder-coated frames due to delays and carrier restrictions during Covid-19.
(this is a further increase from the original increase of 10 - 14 weeks for aluminium frames and 16 - 20 weeks for powder-coated frames which were set in place from Wednesday 15th July)
Fast Free Delivery within Mainland England and Wales Only.
Extra charges will apply to Scottish Highlands and Islands. In some cases we can even deliver outside the mainland e.g. Channel Isles and arrange the VAT element for you. In all instances please contact us today for a personalised quote.
Delivery Period
Delivery will typically be made within 30 working days (bespoke coloured frames 30 - 40 days) but may be extended during busy times of the year. For larger products, the carrier will call and book in a convenient delivery date. For other products, a delivery date will be provided by email from the carrier, which will include a link to allow tracking online.
Bespoke Product Procedure
This product range is made to order on an order-by-order basis, therefore is exempt from our usual cancellation and returns policy. Any cancellations after your order has started production may not be able to be cancelled or may be subject to cancellation charges. Although a very rare occurrence, this does not affect any orders that arrive damaged or faulty, whereby our normal terms on receiving a faulty product will apply.
Vehicles We Use
Items will be delivered on larger lorries which can get to most places it's typically, a 15 ton lorry which is about the size of a dustbin lorry, this will depend on the item that is being delivered and should you have any concerns with restricted access to your property we ask you to contact us prior to placing an order.
Unloading Of Your Delivery
Due to the nature of this product, delivery will be made to the front of the property to the nearest location. Our drivers will not carry these items inside your home or back garden. When the item is delivered on a pallet, the pallet and packaging are non-returnable. Goods can only be manoeuvred on a flat and level surface (i.e. not a gravel driveway) by a pallet truck. On some occasions the driver will split the package to assist with manoeuvring of the item. Once you are happy, we will ask you to check the condition of the goods and sign for the delivery.
Elite Greenhouse Information
Please Note: Some retailers offer non-genuine copies of Elite greenhouse frames or Elite frames along with non-genuine glazing, bases, powder coating, staging and accessories. When purchasing from GardenSite, you are buying 100% genuine and official Elite products including the frame, glazing and accessories. All painted frames are protectively wrapped; all bases are aluminium; all fittings are stainless steel and only high tensile bolts are used.
Questions and Answers
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