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Power 18x4 Apex Potting Shed Combi

The Power 18x4 Apex Potting Shed is a great addition to any garden, providing a 12ft or 14ft sheltered space for plants and an option of a 4ft or 6ft secure shed for gardening tools. With its generous 4ft or 6ft storage space, the shed is ideal for keeping all of your gardening equipment neatly organised. Whether you're an experienced gardener or just starting out, the Power Apex Wooden Potting Shed Combi is a great choice for anyone who wants to create their own little oasis

More Sizes:

Add Power Folding Racking?

£9 off
Power Folding 4 Tier Racking
+ £57
Qty 1

Power Folding Racking information

Power Folding 4 Tier Racking - £57.00
Power Folding 4 Tier Racking

Keep your storage space organised with this Folding 4 Tier Racking. Dimensions 1190mm W X 510mm D x 1745mm H


Add Thorndown Wood Paint?

£12 off
Wood Preserver Clear + £55
£8 off
Stain Blocking Primer Clear + £47
£8 off
Stain Blocking Primer White + £47
£8 off
Stain Blocking Primer Grey + £47
£8 off
Stain Blocking Primer Black + £47
£10 off
Swan White + £49
£10 off
Grey Heron + £49
£10 off
Blackdown + £49
£10 off
Adonis Blue + £49
£10 off
Skylark Blue + £49
£10 off
Sedge Green + £49
£10 off
Marshland Green + £49
£10 off
Bath Cream + £49
£10 off
Foxwhelp Red + £49
£10 off
Rock Rose + £49
£10 off
Bilberry Blue + £49

Thorndown Wood Paint information

Beautify and sustainably protect your outdoor space with Thorndown Wood Preservers. Click for Thorndown's full range of colours. All Paints come in a 2.5L Tin. Covers up to 12m² per litre per coat on planed/smooth timber

Wood Preserver Clear - £55.00
Wood Preserver Clear


Stain Blocking Primer Clear - £47.00
Stain Blocking Primer Clear

Stain Blocking Primer White - £47.00
Stain Blocking Primer White

Stain Blocking Primer Grey - £47.00
Stain Blocking Primer Grey

Stain Blocking Primer Black - £47.00
Stain Blocking Primer Black

Swan White - £49.00
Swan White

Grey Heron - £49.00
 Grey Heron

Blackdown - £49.00
Blackdown

Adonis Blue - £49.00
Adonis Blue

Skylark Blue - £49.00
Skylark Blue

Sedge Green - £49.00
Sedge Green

Marshland Green - £49.00
Marshland Green

Bath Cream - £49.00
Bath Cream

Foxwhelp Red - £49.00
Foxwhelp Red

Rock Rose - £49.00
Rock Rose

Bilberry Blue - £49.00
Bilberry Blue

Choose Your Combi Size

4ft Shed Size
+ £0
6ft Shed SIze
+ £0

Choose Your Combi Size information

4ft Shed Size - £0
4ft Shed Size

Choose the smaller 4ft shed section less Storage but more Growing Space.


6ft Shed SIze - £0
6ft Shed SIze

Choose the larger 6ft shed section for more Storage and less Growing Area.


The Power 18x4 Apex Potting Shed is a great addition to any garden, providing a 12ft or 14ft sheltered space for plants and an option of a 4ft or 6ft secure shed for gardening tools. With its generous 4ft or 6ft storage space, the shed is ideal for keeping all of your gardening equipment neatly organised. Whether you're an experienced gardener or just starting out, the Power Apex Wooden Potting Shed Combi is a great choice for anyone who wants to create their own little oasis

The 18x4 Wooden Power Combi Potting Shed has a particularly versatile design and gives you a choice of Growing Area or Storage space depending on your priorities. The potting part of the shed also features full-length 2 tier staging, which is perfect for propagating or potting plants. The toughened glass panels let in plenty of light, creating a bright and airy growing environment. Both locking doors have a Galvanised handle and hinges secure the shed and a thick 44 x 28mm frame is used throughout. The 12mm T&G roof is covered in Premium SuperFelt for many years of maintenance free gardening.

  • Door Panels can be put in either end when you are Constructing the Shed.
  • 1214mm (3ft 10") Wide Potting Shed Combi - Compact Modern design.
  • Secure 4ft Shed as Standard - Keep your tools close at hand.
  • 2147mm (7ft) Ridge Height - No Planning Consent Needed.
  • 12mm Shiplap Tongue and Groove Boards - Slow Grown Scandenavian Softwood.
  • 12mm Thick Floor and Roof Construction - Excellent Weight Bearing.
  • 44x28mm Thick Frame - Solid Foundation.
  • Full Length 2 Tier Staging as Standard - 500mm Deep.
  • Locking Doors - For Peace of Mind.
  • 457mm x 610mm Toughened Glass Windows - Strong and Secure.
  • Premium SuperFelt Roof Covering - With Polyester Backing and Bitumen Coating.
  • Dip Treated Panels - So that your shed is good to go straight out of the Crate.
  • 10 Year Warranty - Manufacturers warranty.
  • Please Choose Your Combi Below: 4ft Shed as Standard, 6ft Optional.

FREE Within 3-5 working days Inc NI

Delivery is kerbside only. Any request to take the goods further cannot be guaranteed and will be at the driver's discretion on the day.

Greenhouse Size Diagram

Dimensions and Area

A: Cabin width

1214mm (3′ 11″)

B: Cabin depth

5472mm (17′ 11″)

C: Ridge height

2147mm (7′)

D: Eaves height

1869mm (6′ 1″)

E & F: Door Size

750mm (2′ 5″) x 1630mm (5′ 4″) (aperture)

Base Dimensions:

1190mm (3′ 10″) x 5448mm (17′ 10″)

Roof Dimensions:

1314mm (4′ 3″) x 5632mm (18′ 5″)

Innovative Modular Design, Simple Self-Assembly

Our sheds are designed to be easy to put up so there's no need to worry if you're not a confident DIYer . The Unique Modular Design means that Door and Window Panels can be put in any position when you are Constructing the Shed

12mm Shiplap Tongue and Groove Panels

Powersheds Tongue and Groove

Enjoy the robustness of our 12mm Shiplap Panels, pre-treated for year-long protection and ready for further personalisation with paint, stain, or varnish to match your style.

Are our Sheds Treated?

Our Sheds come with a special protective coating on the outside. This means you can set up your Shed without worrying about the weather or the elements. You have a whole year to choose a specific protective coating or paint in any color you like to cover the base coating. We do recommend treating your Shed once a year after that to keep it in good condition. And if you want to change the color or repaint sooner, you can go ahead and do that too.

Superior Scandinavian Timber

High Grade Scandinavian Timber

Our sheds, crafted with high-grade Scandinavian Timber, integrate robust tongue & groove boards and tanalised bearers. Responsibly sourced, our timber ensures durability and sustainability.

All Fixings and Fittings Included!!

Easy Assembly

All sheds come with all of the screws and nails necessary for building your shed..

Sustainability - We Give Back

We exclusively use FSC certified timber from responsible sources. Committed to giving back, we support our local community with various initiatives, helping to build a better future for all.

Power Products
Power Products

Power Sheds is a UK-based company committed to revolutionizing the Garden Building industry by focusing on quality, innovation, and customer service. The company's dedication to quality and innovation has earned it a reputation as a reliable and forward-thinking brand in the garden-building industry.

Power 10 Year Warranty
10 Year Guarantee

Power products come with a 10-year guarantee that covers the Timber for Rot, Decay and Insect Infestation. Sheds must be re-treated inside and outside annually with a high-quality wood preserver according to the maintenance advice

Frequently Asked Questions

  • What is the best base for a timber shed?

    The best base for a timber shed depends on your specific needs, but popular options include concrete slabs, paving slabs, and plastic grid systems. Concrete offers durability and stability, while plastic grids provide excellent drainage and are eco-friendly. For larger sheds, a concrete base is often recommended for its long-term strength and level surface.

  • What tools will I need to build my garden shed?

    Essential tools for building a garden shed include saws, a hammer, a spirit level, a tape measure, and safety goggles. You'll also need stakes, carpenter's pencils, a line level, and a shovel for ground preparation. Don't forget a post hole digger if you're installing support posts, and ensure you have an ample supply of nails and screws.

  • What are the benefits of a wooden shed?

    Wooden sheds offer classic charm, versatility, and excellent value. They provide ample storage for garden tools and equipment while enhancing your outdoor space's aesthetic. Plus, they're customizable to suit your specific needs and preferences.

  • How long do wooden sheds last?

    With proper care and maintenance, a high-quality wooden shed can last 20 years or more. Regular treatments and timely repairs can significantly extend its lifespan. Our pressure-treated options offer enhanced durability and rot resistance.

  • Are wooden sheds waterproof?

    While not completely waterproof, our wooden sheds are designed to be highly water-resistant. We use quality materials and construction techniques to minimize water ingress. For added protection, we recommend applying a water-resistant coating and ensuring proper drainage around the shed.

  • What's the best wood for garden sheds?

    Cedar, redwood, and pressure-treated pine are top choices for garden sheds. Cedar and redwood offer natural resistance to decay, while pressure-treated pine provides excellent durability at a more affordable price point. We use only the finest materials to ensure longevity and performance.

  • Do I need planning permission for a wooden shed?

    In most cases, you won't need planning permission for a standard-sized wooden shed. However, regulations can vary by location. Generally, sheds should be under 2.5 meters high and occupy less than 50% of your garden space. Always check with your local council for specific guidelines.

  • How do I maintain my wooden shed?

    Regular maintenance is key to preserving your shed's condition. Clean it seasonally, inspect for damage, and apply wood preservative as needed. Ensure proper ventilation and keep the roof and gutters debris-free. Repainting every few years can also protect against the elements.

  • Can I customize my wooden shed?

    Absolutely! Our wooden sheds are highly customizable. Choose from various sizes, styles, and features to create your perfect outdoor storage solution. We offer options for windows, doors, partitions, and even custom paint colors to match your garden aesthetic.

  • How do I choose the right size shed?

    Consider what you'll store and how you'll use the space. Measure your available garden area and factor in any future storage needs. Our range includes compact 6x4 sheds for small gardens up to spacious 12x8 models for larger storage requirements.

  • Are wooden sheds secure?

    Our wooden sheds are built with security in mind. We use sturdy locks, hinges, and bolts on doors and windows. For added peace of mind, consider installing an alarm system or motion-activated lights. Remember, proper anchoring also enhances overall security.

  • What's the cost of a wooden shed?

    Prices vary based on size, features, and wood quality. Our range starts from £300 for basic models, with premium options available up to £1000+. We offer competitive pricing without compromising on quality, ensuring excellent value for your investment.