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Overlord Modular Reverse Pent Shed

Approx. W1.2m x D1.8m / W4' x D6'

(Sizes shown are approximate & full sizes are shown in the product specification)

From £624.99 £829.99
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  • Pressure treated, NOT dip treated
  • Strong 12mm tongue & groove walls, NOT weak <6.5mm overlap like many competitors provide
  • Customise to a configuration that works for you
  • Secure Hinges & Locking System

Found similar for less? Get in touch and we’ll beat it by 10%

Overlord Modular Reverse Pent Shed Overview

Our Overlord Modular Reverse Pent Shed is crafted from high quality, pressure treated, slow grown spruce timber. Unlike some competitors, we do not dip treat or cut our timbers after treatment. This ensures that your shed is protected from rot and fungal decay, which is why we provide a genuine 10 year guarantee.

 

With dimensions of W1.2m x D1.8m, this shed provides ample storage space while remaining compact—a perfect fit for smaller gardens or those seeking a subtle solution.

 

Key Features

  • Strong & Sturdy 28mm x 34mm Framing
  • Durable 12mm tongue & groove roof & floor
  • 10 Year guarantee on pressure treated timbers
  • Superfelt included as standard
  • Avoid planning permission! *
  • Slow grown Spruce, not cheap Pine. Built to last!
  • Designed with the DIYer in mind for quicker install
  • All fixings included at no extra cost

Build your modular shed the way you want it! Decide if you want a shed with or without a window, then set up your windows, doors, and solid panels in a configuration that fits your garden just right.

Additional Information

To ensure the very best quality, we only use slow-grown White Spruce Timber, which is harvested in cold climates to ensure solid, dense log rings. This gives the wood superior strength and longevity, and also a much more consistent colour than the likes of Pine.

Despite the care we take in selecting the very best Timber available, it’s not like predictable brick or cold steel, this natural material has characteristics and quirks unique to every log.

Because our timber logs once fed water and nutrients back and forth from its roots to its leaves, its very nature is to be porous and swell up when it gets wet. Any wooden product will do this throughout its life, but there are a few things you can do to help limit this movement.

These include:

1. A great design!

  • Don’t worry, we’ve got this one covered. We’re experts when it comes to all things timber, so we have designed our products from the ground up with its natural properties in mind.

2. Water Repellent Treatment.

  • How you customise and decorate your product is up to you, however we would recommend that you use an appropriate water repellent treatment. This really helps minimise the amount of moisture that the timber can absorb. Therefore minimising the risk of any major movement.
  • (Please note: water repellent treatment is not the same as pressure treatment, which protects against rot and insect infestation, and which we guarantee for 10 Years!)
  • On pressure-treated timbers, you may notice some subtle striation marks. These marks sometimes appear during the drying process of timbers. Fear not! In time, the marks will begin to fade as the sun starts to lighten the wood.

Timber with Striation marks

3. Ventilation.

  • Keeping your timber building ventilated is no less important than keeping your house well ventilated. This is especially true if you plan to cover up your floorboards with something (double check with an expert, that the material is suitable to do so), as moisture can become trapped between layers of non-breathable materials and build-up, leading to floors becoming rotten.

4. Regular Seasonal Maintenance.

  • Whether you opt to build your product yourself, don’t be afraid to tighten the odd bolt here and there. Your product is a life improving investment, so it’s only right to give it some love and care from time to time. Make sure that it’s properly treated before the rainy months, and you make adjustments to doors and window frames, when needed.

Natural Timber Properties

After building your timber product, this natural construction will begin to ‘settle’. This means that you will likely see some natural timber imperfections appear. These types of natural imperfections can include:

Cracks

Cracked climbing frame timbers

Splits

Split Timbers

Shakes

Timber Shakes

Warping / Twisting

Expansion and Contraction

Please be aware that, as these are natural timber properties they are not considered as defects under our Terms & Conditions (for more information, check out our Terms and Conditions. However, in most cases, these imperfections will not impact the integrity or function of your timber product, and/or can easily be rectified. For advice on how to rectify these and for more support, please get in touch with our Customer Services Team on [email protected].

The slow-grown spruce timber used for this shed is pressure treated. This is an intensive treatment process that gives far higher quality and longer-lasting results than dip-treatment. Unlike others on the market, even the framework is pressure treated to ensure it lasts. All of our pressure treated timber carries a Genuine 10 Year Guarantee against fungal decay and insect infestation. We recommend that you treat external timber with a good quality water repellent.

fully pressure treated

Pressure treated Pergolas and gazebos

Interested in personalising your shed? With uniform sized wall panels, you have the flexibility to replace a wall panel with a window or door panel, allowing you to reconstruct your shed the way you want to. If you prefer, you can position the door on the side, creating a unique front aspect.

Customise your modular shed your way!

overlord pent shed customise your panels Overlord apex shed - customise your panels

Say goodbye to flimsy sheds and embrace the pinnacle of strength and durability with our Overlord Modular Sheds.

Our robust 28mm x 35mm framework, provides a solid foundation for our strong and durable, 12mm thick, tongue and groove walls. Our walls are carefully crafted using 12mm cladding, helping to prevent unsightly gaps by expanding and contracting with the seasons. The cladding allows water to easily run off the shed due to its curves and channels helping to protect your shed from water damage.

So you can relax in the knowledge that it will take far more than a gentle breeze and a light drizzle to knock this sturdy shed down.

Heavy duty pressure treated shed walls

Heavy duty framework pressure treated shed walls solid sheds

Our modular sheds come with pressure treated floor bearers and 12mm slow-grown spruce tongue & groove roof and floorboards as standard. It is the perfect material for the job, especially when comparing to cheaper pine or OSB boards found in the market. The tongue & groove boards easily slot together, creating a sturdy surface with an attractive appearance.

 

Did you know? Some competitors use cheaper 8mm OSB roof and floorboards. These are less resistant to water and can crumble over time. Whereas, tongue and groove boards are known for their strength and durability.

12mm Tongue and Groove Shed Roof and Floor included

We supply Superfelt. NOT cheap low-grade felt.

Give your Garden Building a durable roof covering with our Superfelt. This is a highly durable felt, made of thick material using an advanced polyester formula to make it resistant to tearing in strong winds. Superfelt will offer your Garden Building added protection from the varying British weather and is supplied in a green/grey mineral finish.

Cheap low-grade felt

Torn cheap felt

Superfelt

Your security is of the utmost importance to us. To make sure you have peace of mind we provide you with:

Secure Hinges
Our sheds feature zinc-plated high-security hinges. Why is this important? Quite simply the zinc plating prolongs the lifetime of the hinges by protecting the metal underneath from rain which causes rust.

What makes our hinges secure? Well, not only do the hinges have to be screwed on but also bolted into the thick timbers which make up the door frame and door. Bolting the hinges into the framework makes it harder for intruders to unscrew the doors and steal your belongings.

Secure Hinges

Secure Locking System
With a lock and key supplied as standard, you can securely lock away your garden tools and equipment. For additional security we also supply shoot bolts, making it more difficult for someone to force the door open. Adding to the overall stability of the door, the shoot bolts reduce the likelihood of it being kicked in or pried open.
Key and lock provided Shootbolts Included

Our Overlord Modular Sheds are equipped with double doors to ensure easy access, allowing you to effortlessly store and retrieve your garden tools and equipment.

Double doors for easy access

We know how important your time is, so we have designed our sheds to be as straightforward as possible to construct. The walls are made using pre-fabricated panels of pressure-treated shiplap cladding, attached to a framework of thick 35mm x 35mm timbers. The roof and floor are supplied in 10mm thick MR P5 boards, allowing you to fit them quickly.

Unlike our competitors, we only use high-quality spruce timber on our wooden products rather than cheap pine or mixed timber. Why do we use slow grown spruce rather than the much cheaper knotty pine alternatives?

Spruce is considered more stable as it expands and contracts less than pine. This stability means that the spruce timbers in our garden buildings minimise splits from appearing as the timber changes along with the weather.  We responsibly source all our timber, where it grows slowly in the cold northern regions. We all know the old adage of counting the rings to see how old a tree is, well our timber grows slower and takes longer to get to size meaning it has more rings in it. This means it has a tighter grain, and each ring helps prevent cracks and shakes from appearing in the densely packed timber.

Our wooden garden buildings and climbing frames really are built to last therefore we use only the highest quality, slow-grown spruce.  Spruce is much more resilient to warps and splits compared to its cheaper alternative pine. Being a whitewood, it doesn’t discolour anywhere near as much as pine so it is also much more aesthetically pleasing for a garden structure. Considered more stable, less knotty and resinous than pine, spruce will also produce a lot less sap. It is also less dense meaning it is not as susceptible to mould and rot.

Outdoor Living Slow Grown Spruce

Outdoor Living Slow Grown Spruce II

All of the timber in this shed is pressure treated, responsibly sourced (except MR P5  sheets) and is guaranteed against rot and insect infestation for 10 years. Protecting your timber thoroughly, you won’t need to re-treat for at least ten years or worry about little critters causing havoc. We recommend that you treat external timber with a good quality water repellent.
All our Pressure Treated timber is for User Class 3
10 Year Guarantee on Pressure Treated Timber

We use 4mm thick toughened glass, not Perspex or Styrene which can scratch easily and cloud up over time. This is also thicker and less likely to break when hit with the neighbour’s pesky football compared to the industry standard of 3mm horticultural glass.

Toughened glass Not cheap styrene

Toughened glass Not cheap styrene

This garden building is under 2.5m high. Why does this matter? Under permitted development rights, buildings under 2.5m high can be placed as close as you want to a boundary (eg. a fence line) without planning permission. Garden buildings that are over 2.5m high need to be placed over 2m away from any boundary (eg. a fence line), which could lead to a lot of wasted space. If you want to find out more about permitted development rights see our planning guide

All our garden buildings have been designed on the basis that any competent DIY customer should have no problem installing a product themselves in a short amount of time. You do not have to be an expert at DIY to build a Dunster House garden building, as we do provide you with comprehensive pictorial instructions. We totally understand that DIY is not for everyone therefore, you may want to consider getting in touch with a local carpenter or handyman to install it for you. But before you do, check out our construction video and decide for yourself!

There is nothing more annoying than being in the middle of building something and finding that you don’t have the right fixings to continue. We include all of the screws, nails and fixings that you will need to put your garden building together – not many of our competitors are that thoughtful. This eliminates the need to worry about the type of screws or the length of nails you might need to get started – it’ll all be with your delivery.

Fixings Included

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We use slow-grown Spruce timber for the main structure of the Shed. Spruce is less porous than Pine and so less likely to shrink, warp or split.

It is

We recommend a flat, level base at least 100mm bigger on each side. e.g. A W4.0m by D3.0m garden building would have a base of 4.2m by 3.2m See more details here.

Due to the unique design of a Dunster House product, in the vast majority of cases our garden buildings can be installed without the need for planning permission.

However, there are a few other factors to consider:

As all properties are different in size, shape and style we can only advise based on how we have designed our products, not on your property.

When to consider planning permission:

  • If the garden building exceeds over 2.5m tall – the majority of Dunster House buildings do not exceed this.
  • If you intend on putting an outbuilding in front of the main elevation of your property (as it was originally built or as it was on 1st July 1948) will require Planning Permission.
  • If you live in a listed or graded building
  • If you live in a designated area such as areas of outstanding natural beauty, national parks, world heritage sites and conservation areas.
  • If there is a possibility that over 50% of your garden would be taken up by outbuildings.

Click here for more information on Garden Building Planning Permission in the UK.

Still not sure?

If you are still in doubt, we highly recommend getting in contact with your local authority before making a final purchase.

We offer a genuine 10-year guarantee against rot and insect infestation on all pressure treated timber.

 

Dunster House commit to continuously improve the sustainability level of our sourcing, by favouring stricter more credible certification and verification standards, and sourcing requirements. We are committed to avoiding sourcing from unknown or unsustainable sources.

Where possible, Dunster House are committed to procuring wood products that have been certified against credible, internationally recognised standards for good forest management, to ensure that material originates from well managed forests.
In line with this, we preference products certified to the standards of FSC (Forest Stewardship Council) and PEFC (Programme for the Endorsement of Forest Certification).

What about illegal timber?

Dunster House are committed to sourcing only material that is produced, processed and traded according to applicable legislation.

What is your Environmental Responsibility policy?
Dunster House are committed to promoting responsible stewardship of the environment and its natural resources. We are committed to lessening the impact on the environment caused by our own activities, and those of our suppliers.

Do you have a Supply Chain Management policy?
Dunster House will ensure that information about suppliers and material is gathered as part of the RPP. We will ensure regular engagement with our suppliers to ensure compliance with UKTR requirements, working with them to ensure continuous improvements. We will also specify that, wherever possible, that material sourced is covered by FSC and PEFC, to ensure responsible forest management.

No, we do not have any showrooms or display sites. All business is completed online and via our website. If you do have any queries that haven’t been answered with the information provided online, please feel free to call our sales team on 01234 272445.

Often, an additional cost is buried within the price when offering finance, thus making your purchase higher priced. This is the reason we do not offer finance and feel that it would not be beneficial for our customers or us. However, we have come up with an alternative method for you where you can use a 0% interest-free credit card to pay off your purchase. For more information, see this article: Do we offer finance?

We do not currently offer installation. All our garden buildings have been designed on the basis that any competent DIY customer will have no problem installing a product themselves in a short amount of time.

You do not have to be an expert at DIY to build a Dunster House garden building, as we do provide you with comprehensive pictorial instructions. Also, if you prefer video tutorials, we do have a selection of videos on YouTube which will support you in building your product.

We totally understand that DIY is not for everyone and it can be very overwhelming to start building your own garden product. Therefore, you may want to consider getting in touch with a local carpenter or handyman to install it for you.

If you do take on the challenge to put your garden building together, we are always here to help. Do not hesitate to contact us at any stage of putting your product together and we can provide you with all the assistance you may need. Contact our customer service team via email at [email protected].

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Overlord reverse pent shed 1.2 x 1.8 measurement outlines
  • Please Note: All sizes quoted are nominal
  • Overall External Dimensions: W1.312m x D1.963m (4' 3" x 6' 5")
  • External Width: 1.312m (4' 3")
  • External Depth: 1.963m (6' 5")
  • Internal Width: 1.102m (3' 7")
  • Internal Depth: 1.740m (5' 8")
  • Internal Area (m2): 1.917m (6' 3")
  • Overall Height: 2.046m (6' 8")
  • Internal Eaves Height: 1.941m (6' 4")
  • Roof Thickness: 12mm Tongue & Groove
  • Roof Covering Options: Felt Included as Standard
  • Roof Purlins: 28mm x 34mm
  • Walls: 12mm Tongue & Groove
  • Floor Thickness: 12mm Tongue & Groove
  • Framing: 28mm x 34mm
  • Windows: 0
  • Glazing Material: 4mm Toughened Glass
  • Shed Door Style: Double Doors
  • Shed Door Locking System: Lock and 2x Shoot Bolts
  • Floor Bearers: Pressure Treated Bearers Included
  • Guarantee: 10 Years on Timber against Rot and Insect Infestation
  • Please Note: Pressure treatment is protecting against rot and infestation, it is not a water repellent. So we recommend a water repellent product to be used
  • Approx. DIY Assembly Time: 2 Days - This is an approximate time only, based on 2 people. Assembly time may vary depending on season/weather conditions, foundation type, ability of those constructing, etc

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Delivery Information

* Free delivery on orders over £200.

We deliver our products to mainland United Kingdom (England, Wales and most of Scotland). Some exceptions apply; these are illustrated on the map below.

Postcodes affected include:

  • TR
  • TQ6, 7, 8, 9
  • EX19, 20, 21, 22, 23, 38, 39
  • LD
  • PL10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
  • SA
  • KW
  • HS
  • ZE
  • KA27, 28
  • IV1, 4, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 63
  • PA20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 80
  • PH32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44

Dunster House delivery map

Green – Free Assisted Delivery

Red – We are unable to deliver to these areas.

Purple – For orders to Ireland & Northern Ireland, please visit our Distributor in Ireland here.

Delivery Service

All of our products are delivered using our own fleet of vehicles, not sub-contractors. We have a large number of vehicles dedicated to delivering our quality products so we can guarantee maximum care is taken during the delivery process.

Our deliveries take place Monday to Friday between the hours of 8:00 am and 6:00 pm.

When the delivery vehicle is unloaded, it is important that you check to make sure all of the items and instructions have arrived and are correct. You will also receive a component list to check your items against. If anything is missing or damaged, it is essential that you note this on your paper work when you hand it back to the delivery driver.

Prices for our delivery services can be found on individual products.

Please note that goods will be delivered to the first point of contact at the front of your property e.g. on your driveway. This must be within 20m from the delivery vehicle (Safely Parked at Kerbside). Our team will be responsible for assessing the risk of carrying out delivery upon arrival at the property.

Should you require further information on our assisted delivery services, please click here to read our Terms and Conditions, alternatively you can contact a member of our Sales Team.

See the locations we deliver from.

Q: Where can I find more information?

A: If you have any questions regarding your delivery, you can telephone our Dispatch Team. Contact details for the Dispatch Team of your nearest branch can be found on your order confirmation. If you need to track your delivery or access your manuals in advance of your delivery, you can visit the Customer Log-In Area of our website.

Thank you for taking the time to read about our terms and advice during this period. We hope you can enjoy your Dunster House garden product for many years to come.

Why Buy From Us?

Buy with confidence! Established for over 30 years, you can rest assured of our knowledge and experience as industry leaders.

On pressure treated timbers*. We don’t dip-treat our timber unlike some competitors. Dip treatment isn’t as effective at protecting against rot and infestation!

All products are uniquely designed and of high quality with many industry leading features you will struggle to find anywhere else!

A UK company and family run business. Our products are designed  and distributed from our 11 UK distribution centres.

Many have bought from us over the last 30+ years due to our superior specification and the fact that our products are designed with the DIY market in mind.

Free delivery on most products*. Delivered to you by our own fleet of vehicles and dedicated drivers.

Inspiration/Customer Stories

Dean’s Garden Cinema Room

View Case Study

Ed’s Garden Music Room and Home Office

View Case Study

Andy and Rose’s Garden Games Room

View Case Study

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† Reference to Price on 22nd December, 2023

Overlord Modular Reverse Pent Shed

From £624.99 £829.99
Save £205