8 x 4 Evesham Lean-to Pent Wooden Greenhouse
Now Just: £389.99
4.5/5 (90%) 17 Reviews
Pick your day and delivered free to most areas
UV Resistant shatterproof styrene
10 Year Anti Rot Guarantee
Pick your day and delivered free to most areas
12mm Shiplap Cladding
Opening Roof Vent - Included
Single Door
Ready Painted and Home Installation Service available

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Description
If you’re tight for space and want somewhere to grow and nurture a variety of plants, then this 8 x 4 Waltons Lean-to Pent Wooden Garden Greenhouse offers the perfect solution. A unique space saving design means that it attaches directly to a spare wall, as long as the base is level and solid.
Manufactured using FSC® certified timber, this greenhouse is designed to keep the weather firmly at bay, ensuring your produce and equipment remain safe. The windows are made using high quality UV treated styrene, a durable material that prevents harmful UV rays damaging your plants. The treatment also helps to prevent the styrene from cracking and discolouring over time, improving longevity. As the styrene used is shatterproof, this provides an added bonus making it an excellent alternative to traditional glass, ideal if you have children or pets.
An opening window is built into the roof of the building, this is an essential feature that allows you to regulate the temperature inside, ideal for tailoring the environment to the produce being grown. The pent roof design means there is a generous amount of headroom inside, whilst encouraging the drainage of rainwater.

Important Information
Our dip treated greenhouses, once installed, will need treating as soon as possible and on an annual basis in order to receive the 10 year anti rot guarantee*. The greenhouse also includes a 1 year manufacturers guarantee* as standard.
Dip Treated Greenhouses

Our greenhouses are supplied flat packed as DIY kits with full instructions.
It is the customer's responsibility to follow the product instructions and the information outlined within the Manufacturers recommendations.
All of our greenhouses are delivered unpainted. The Greenhouses are dressed for display, we don't supply any accessories or shelves featured within the product images.
Our factory applied dip treatment may differ in shade between components as it is simply a basecoat.
Exact product dimensions are supplied on the listing as we do round off the main size of the building in the title in order to make it easier for customers to find, so please be sure to check the item's specific measurements carefully.
Delivery times highlighted with an asterisk (*) refer to working days.
10 Year Anti-Rot Guarantee
Our dip treated greenhouses come with a 10 year anti rot guarantee. Anti-rot protection guards against fungal decay. The guarantee does not cover movement, twisting, warping or splitting of timber products over time.
during manufacture we apply a water based colourant for protection whilst in storage and transit. This treatment is not a preservative therefore the product will require a preservative and waterproofing top coat application as soon after construction as possible.
In order to keep your greenhouse in tip top shape and maintain the 10 year anti rot guarantee, it will need re-treating at least annually. Only high quality timber preservatives should be used and applied in accordance with the manufacturer's recommendations. This must be done at least annually to preserve the 10 year anti rot guarantee. For more information please refer to the Waltons T&C's.
1 Year Manufacturer's Guarantee
Subject to the conditions set out in the T&C's (Section 8) the Seller warrants that the Goods will correspond with their specification at the time of delivery and will be free from defects in material and workmanship for a period of 12 months.
Planning Permission
Whilst we work hard to design all of our garden buildings to adhere to planning permission guidelines, we cannot guarantee that planning permission will not be required. Therefore we advise that it is always best to check with your local authorities before erecting a garden building.
Aftercare
We want you to enjoy the use of your new greenhouse for many years. To ensure this, it is important your greenhouse is protected at the start and maintained during its life. If you're planning a DIY project, please read our Self-Installation & How to Build a Shed advice pages before you start.
BASE
All long-lasting greenhouses will have been built on a solid and level base, either concrete, slabs, a wooden frame or ground level bearers. A flat, level base is essential, for more information go to our How to Build a Shed Base guide.
If your greenhouse is not level and square when built, it will twist and warp with the natural movement of the wood. The first signs of this are when the doors or windows stop opening and closing properly. You may get issues with the roof and potential gaps in the panels which will allow water in, there may be flex in the floor and probably creaking. Check your base is level in both directions and adjust prior to the build. It will be really difficult to adjust afterwards.
Glazing
Our styrene windows are protected using a clear film which will need to be removed after you've installed and treated the greenhouse. This can be removed easily by scoring round the edge of the window and peeling back the plastic covering.
All Waltons greenhouse windows are designed to fit well, but over time and with the movement of wood, small gaps can appear. Help to prevent this by sealing your windows with a silicone sealant. You can do this either when you build your greenhouse, or add it to an existing one. We've created this video Protect Your Shed - Silicone Window Sealant for guidance.
We've also created these handy Maintenance Guides to help you make the most out of your greenhouse, for years to come. Should you require any further advice, you can contact our Customer Service Team on 0800 029 1000 and select Option 3.
Specification
Please Note: Sizes are approximate only. For specific details, please consult our technical department.
Imperial Size (ft) | 8 x 4 |
People Req'd To Build | 2 |
Anti-Rot Guarantee | 10 Years |
Cladding Style | Shiplap Tongue & Groove |
Roof Type | Pent |
Door Style | Single Door |
Building Type | Lean-to Greenhouse |
Treatment Type | Dip Treated |
Metric Size (Meters) | 1.3 x 2.4 |
Under 2.5m Tall | Yes |
Material | Wood |
Imperial | Metric | |
---|---|---|
Width | 1.26m | |
Depth | 2.40m | |
Eaves Height | 1.60m | |
Ridge Height | 2.17m | |
Door Width | 0.55m | |
Door Height | 1.72m | |
Internal Width | 1.19m | |
Internal Depth | 2.27m |
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Dip Treatment
Our greenhouses are dip treated during manufacture as standard. This is the process in which we apply a water based colourant for protection whilst in storage and transit. This is not a preservative therefore the building will require a preservative and waterproofing top coat application as soon after construction as possible. This is required to validate your 10 year anti-rot guarantee.

Timber is cut ready for treatment.

Timber is dipped into a cylider containing preservative.

Preservative is absorbed into the surface of the timber.

Timber is removed from cylinder containing preservative.

Timber is left to airdry.
Natural Wood Characteristicts
As wood is a natural material it may be affected by the following:
Shrinkage & Warping
The timber used in the construction of your garden building will have retained some of its natural moisture content. The moisture content of the timber will vary, depending upon prevailing environmental conditions, which will result in the components either naturally expanding or contracting. As the components dry out shrinkage may occur. A good waterproofing treatment from the start is the best protection to minimise the effect of moisture loss/intake.

Damp & Mould
During the winter months, cold and damp conditions can result in an increased amount of moisture within your garden building, especially when used infrequently. Condensation can form on the timber and other items stored within your garden building. If left this moisture is likely to cause mould and mildew. To prevent the build-up of moisture, we recommend leaving the door or windows of your building open from time to time, to allow the fresh air to circulate. We also advise against storing wet or damp items in your garden building as this will also increase the level of moisture in the building. If mould or mildew does start to form within your building we recommend using an anti-mould cleaner to remove it and to prevent it spreading, which if left untreated could permanantly damage your garden building.
Splits, Cracks & Knots
Small splits and cracks in some components or holes may appear where knots shrink and fall out. This will not affect the structure of your garden building however if you wish to fill them this can be easily done using any good quality wood filler


Sap
Sap is naturally occurring in wood and may appear in some boards of your garden building. If you wish to remove the sap, we advise waiting until it is dry and then using a sharp knife to carefully remove it. If the removal of the sap causes a hole in the timber, we recommend using a good quality wood filler to fill it.
Please be aware that these are natural timber characteristics which in most cases will not impact the structure or function of the garden building, therefore are not considered as product defects (as outlined within our Terms & Conditions). If you require further advise or information please contact our friendly Customer Services Team.
Ready Painted
Our ready painted service is available on a range of our shiplap sheds, summerhouses, greenhouses, playhouses and insulated garden rooms. We use premium, fully opaque paint that offers exceptional durability with a low maintenance finish. The paint will act as a preservative to protect against weathering, UV degradation, mould and fungal attack.
Choose your favourite colour from our wide range of shades from neutral tones to popping brights! Your painted garden building will have a stylish and eye-catching look, with the highest quality finish!
- Installation is included!
- Your building will arrive finished to the highest standard and protected from the get go
- Cut out the hassle and save time!
- You will get an additional 1L tin of paint for touching-up!
- Pick your choice of colour from our range of 20 different shades!
- Your building will benefit from our Paint Promise guarantee*. This means your paint will last 3 years with minor care and attention - and your building will still be covered for its anti rot guarantee!


Choose your garden building

Select our ready painted service

One of our team will contact you to confirm some details including your colour choice and the date for delivery and installation

Your building will be installed and finished by our team of highly skilled fitters
Our four stage painting process has been developed to ensure your
garden building is finished to the highest standard.


Step 1End Grain Sealer
We apply a water based barrier coat which penetrates and seals porous end grain, reducing moisture uptake by up to 90%.

Step 2Primer
We then use a water based isolating paint as primer to minimise yellowing from knots and softwood with a large amount of heartwood.

Step 3Paint
AQUATOP®, our fully opaque topcoat, provides extended protection against weathering, UV degradation, mould and fungal attack. Proprietary technology minimises micro foaming in the final paint finish, extending the coating durability.

Step 4Touch Up
We touch-up any blemishes onsite during installation. Additional paint is supplied with the building on handover for any future touch-ups.
Is installation included with a ready painted garden building?
Yes, installation is included on all ready painted garden buildings.
Can I select more than one colour?
We only offer one colour per building. We are unable to offer multiple colour ways on one building.
Will my ready painted garden building be refundable?
As the order is bespoke to you, it will not be refundable.
Will my ready painted garden building be painted on the inside?
Your building will ONLY be painted on the outside.