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BillyOh Expert Tongue and Groove Apex Workshop with Dual Entrance

The Expert Apex with Dual Entrance gives improved access to your building without compromising on space. Perfect for a home workshop or storage, the Expert is a strong and reliable building with dual entrances for easy in-and-out access. Complete with Floor, Roof and Felt as standard.

1. Select Size

Size measured in feet

2. Personalise your shed

11mm Tongue and Groove

Our Standard flooring option which provides a durable, solid foundation and underfoot to the building. The 11mm option is ideal for less demanding and frequent usage, suitable for lighter intensity purposes like summer houses and other living spaces containing light furniture. The 11mm tongue and groove timber makes this a solid yet suitable, economical option.

19mm Tongue and Groove

1.7 times thicker than our standard 11mm flooring, our premium floor is the perfect choice for higher intensity usage. The construction uses thick 19mm Tongue and Groove timber, which gives you not only the strength, but better insulation against the cold weather. This specific floor is the perfect option if you’re planning on using the building as an everyday use office, gym or games room with heavy objects.

3. Add Extras

Complete your building with optional shelving, guttering, base options, assembly kits and more.

Just Bearers

Designed to be used on top of an existing solid, level base such as concrete or slabs. Pressure treated bearers are a simple and affordable solution to keep your building raised off the ground and away from any standing water, which can cause your building to rot or decay prematurely.

Eze Base

A wooden frame made from pressure treated bearers, designed for soft ground such as soil or gravel. It has a spike in each corner to help secure it to the ground. This base ensures your garden building has a rigid, level base.

Eco Base

An alternative to using a concrete base or slabs. A grid system made from recycled plastic which can be filled with gravel to create a sturdy base for your building.

Shelving is a great way of increasing the usable space in your building by giving you another storage level. Whether your building is for tools, gardening equipment or your own personal workshop shelving will help you keep a tidy, organised space. Depending on which option you choose, your shelving will cover one side, two sides or all around. Each shelf is 21cm deep and can be placed at any height.
Keep rainwater away from the walls with one of our guttering systems. Protect your building from harsh weather conditions and water damage with these great yet simple solutions. Single sided guttering is great for smaller buildings or upgrade to dual gutters for increased protection on larger buildings. Collect the rainwater and use it to water your garden as a cheap and more economical option.

The padlock is a 65mm long shackle which is a high quality security lock with brass finish. The steel hasp and staple is 169mm and is made from electro hardened galvanised steel. It is also supplied with recessed and concealed fittings.

This is a low cost, convenient solution, perfect if you don't already have your own tools. This kit includes: Hard point saw, Safety goggles, Paint brush, Pocket level, Claw hammer, Rigger gloves.

This unique hasp & staple type shield offers a high level of security by reducing the exposed area of a padlock to the bare minimum. Specifically designed to prevent unwanted entry being gained to sheds, garages & workshops by protecting against break-ins.

Optional Extras:
Total Price:


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  • 2 sets of double doors for ease of access
  • Customisable side door positioning to suit your garden
  • Reverse Apex Style for Increased Headroom
  • Versatile building, ideal workspace or garden storage
  • Windowed or Windowless options
  • 11mm Tongue and Groove roof and floor as standard
  • Complete with felt, fixtures and fittings
  • Base Coat Treated for Transit
Overall Dimensions (Includes Roof Overhang)
  • (A) Width: 3.18m (10ft5)
  • (B) Depth: 3.00m (9ft10)
  • (C) Eaves: 1.73m (5ft8)
  • (D) Ridge: 2.47m (8ft1)
Expert Apex Workshop with Dual Entrance
10 Year Anti-Rot<br/> Guarantee
10 Year Anti-Rot

Protects the wood on your building against rot and decay.

UK<br/> Manufactured

Over 20 years of experience in design and production.

Complete<br/> Building

11mm Tongue and Groove roof, floor and green mineral felt roof covering.

Extra<br/> Head-Height

Crouch free design, giving you the ultimate space.

Expert Apex Workshop with Dual Entrance

Expert Apex Workshop with Dual Entrance

Key Features

Dual Entrance

The two sets of double doors offer excellent access in and out of the building. The braced double doors are also constructed with Tongue and Groove panels, providing sturdy and solid doors for the unit.

Durable Tongue & Groove Throughout

Constructed using high-quality timber panels that interlock together, Tongue and Groove cladding creates a strong, stable and weatherproof structure with a stylish finish.

Additional Height & Spacious Interior

The Expert features the highest headroom among the range for added convenience and mobility whilst inside the shed.

Windowed or Windowless

The windowless options provide you with maximum privacy, both when you're working and storing items inside. The windowed option offers natural sunlight to the building, a great benefit when you are working inside.

High Strength SAN Styrene Glazing

Durable Single SAN glazing included as standard. SAN is used for its UV properties and the tougher finish avoids breakages.

Adaptable Door Placement

The double doors can be positioned in various locations along the eaves, as long as there is a panel on either side of the doors. This means you can place the doors in your prefered position for the best access in and out of the building.

Expert for a Reason

Expert for a Reason

Step into craftsmanship at its finest with our Expert Workshop with Dual Entrance. Constructed with precision, our workshops boast strong interlocking Tongue and Groove panels paired with durable 28x28mm framing, ensuring longevity and resilience against the harshest British weather. Timber floor joists provide sturdy support for your shed base, adding an extra layer of reliability to our carefully crafted structures.
Your New DIY Heaven

Your New DIY Heaven

Your new DIY heaven awaits, available in various sizes to fit your garden and suit your needs. Featuring dual entrance double doors, accessing your projects has never been easier. The tall apex design offers ample headroom for comfortable movement. Crafted with quality and functionality in mind, this workshop provides the ideal space for all your DIY endeavours. Transform your backyard into a haven for creativity and productivity with the Expert Workshop with Dual Entrance.

What Accessories Do I Need?

Paints and Treatments
Paints and Treatments

Give your building the look it deserves - or simply give it an extra layer of treatment to keep it in great shape. We have a wide range of paint colours and timber treatments available. Simply explore our collection.

Wooden Shelving Unit
Wooden Shelving Unit

Make use of the vertical space afforded by your building with these handy shelving units. Available in two sizes, you can buy as many shelves as you need, with the units themselves specially designed to fit with BillyOh buildings. Use them as a place to keep tools, boxes, toys and more.

from £7.00
Gutter System
Gutter System

Ensure your shed is getting great drainage with our flexible guttering addition. Simple to assemble and with a universal fit to any shed or building with its screw-on design. Comes with a downpipe to effectively channel rainwater.

from £69.00
BillyOh Ecobase Foundation
BillyOh Ecobase Foundation

Give your building the foundation it deserves with the Ecobase. A versatile plastic base, the Ecobase is available in a wide combination of sizes with its connectors to tailor to the building you’ve bought. Made from recycled plastic, you can fill with gravel to allow for natural drainage.

from £39.53
Deluxe Padlock and Hasp
Deluxe Padlock and Hasp

Stay secure with the deluxe padlock and hasp combination. Screws, hasp, shackle, and padlock with key all included. Easy to install and ensures your building is kept safe from intruders. Padlock protector is also available.

from £2.30

Frequently Asked Questions


The BillyOh guarantee covers this building against:

  • rot
  • decay
  • insect infestation

Please note: The guarantee does not cover timber splits or warping which may occur naturally over time.

Duration of Guarantee:

  • Tongue and Groove Buildings - up to 10 years
  • Log Cabins - up to 10 years
  • Pressure Treatment Buildings - up to 15 years

For more information about BillyOh Guarantee, please visit our terms and conditions

  • 11mm Tongue and Groove Wall panels

  • 11mm Tongue and Groove Roof

  • 11mm Tongue and Groove Floor

  • SAN Single glazing (if windowed is selected)

  • 2 sets of secure double doors

  • Green mineral roof felt

  • All fixtures and fittings

  • Comprehensive assembly instructions

Spray Treated: Our sheds and summerhouses get a beautiful golden brown spray treatment before leaving the factory in order to preserve the quality of the wood up until the delivery. As this only lasts through the transit stage, we do advise treating the wood after installation to protect and preserve it, as well as annual maintenance.

With the Expert Reverse Apex Dual Entrance an 11mm tongue and groove floor and roof is included but you can upgrade to 19mm to suit more intensive use.


11mm: Our standard roof option, this interlocking roof provides a reliable covering for any building. The Tongue and Groove not only gives your building a stronger roof but also a premium look and feel.


11mm: Our Standard flooring option which provides a durable, solid foundation and underfoot to the building. The 11mm option is ideal for less demanding and frequent usage, suitable for lighter intensity purposes like summer houses and other living spaces containing light furniture. The 11mm tongue and groove timber makes this a solid yet suitable, economical option.

19mm: A premium floor is the perfect choice for higher intensity usage. The construction uses thick 19mm tongue and groove timber, which gives you not only the strength, but better insulation against the cold weather. This specific floor is the perfect option if you’re planning on using the building as an everyday use office, gym or games room with heavy objects.

All garden buildings should be assembled on a firm and level base. A base will ensure your building has a solid, long-lasting and well-drained foundation.

If you want to build your own base, from a sturdy material such as concrete or flagstones, you can find minimum dimensions for each size of this building in the tech specs. In order to protect your building from moisture, you should leave a 2ft gap around the exterior of your building, so remember to take this into consideration when laying any sort of base.

Our robust and simple to use EcoBase provides you with a firm, long-lasting foundation with suitable drainage for your garden building. It is quick and easy to install through the use of snap connectors that link the grids to each other.

The building should be treated once fully assembled and within one month of receiving the product. All the treatments we supply ensure the building will only need to be treated once a year, but always consult the directions on the treatment that you have purchased. Pressure treated buildings don't need to be treated annually but may need to be topped up in its later life.

If your building is shorter than 2.5m you should not require planning permission, (unless it’s more than 50% of your garden or will be placed in your front garden). Planning permission rules can vary by area so we would strongly recommend checking your local council rules before purchasing a garden building from us.

We do not offer an installation service on any of our buildings, as they are designed to be easy and simple to assemble. Using the digital assembly instructions included in your order confirmation and with a team of at least 2 people, the handy pre assembled panels mean you will have your BillyOh building up in no time!

Our sheds and summerhouse are delivered in easy to assemble panels. For your convenience the panels are no wider than 4ft so they can be easily maneuverable and fit through a standard doorway. Glazing and any additional wood is delivered in separate, clearly labeled packages.

We offer a pay by finance option on any purchase over the value of £560.

Our simple finance options allow you to spread the cost of your purchase over 24, 36 or 48 months.Read more about our Pay by Finance option here.

More About The Expert Apex Dual Entrance Workshop...

The Expert Apex Dual Entrance Tongue and Groove Workshop is a durable and robust garden storage shed. With a range of sizing and options, the expert apex can be a fantastic choice for those who need a large wooden workshop or storage space for use as a garden tool shed or bike storage.

The dual entrance improves access to the building and makes it a perfect option for fitting in a garden corner. The side door can be placed in the space of any panel down the side of the building, allowing you to have the best access to your garden space.


This large timber workshop has an eaves height of 1.73m (5ft8) and a ridge: 2.47m (8ft1). The apex roof style offers plenty of height on the inside whilst providing efficient water drainage on the outside.

With a range of sizes from 10x10ft to 20x10ft, the Expert T&G workshop sheds are the ideal solution for serious sheddies in need of some extra space!


This workshop garden unit is also available in a windowed or windowless design. One great feature of this outdoor storage solution is the option to have either a windowed or windowless design. A windowless design follows the more traditional British shed style (keeping all of your possessions away from prying eyes!).

However, the windowed option allows your shed to be filled with natural light making it ideal for a workshop or creative area with space for a workbench and shelving.

And with a wide range of options to choose from extras like shelving, guttering, and bases, you can make this wooden garden building perfectly suit your needs.


This workshop shed offers secure storage in your outdoor space with weather-resistant construction. Put your Expert Apex Workshop to a wide range of uses - anything from storing garden furniture to a DIY workshop.

Workshop Use

The Expert is perfect as an outdoor workshop so you can have a dedicated space for your woodworking, construction, or artistic passions! With plenty of space for machinery, workbenches, or whatever you'll be working on, the Expert is the perfect workshop if you want to get stuck into a big project or simply need a place to use power tools.

Double Doors

Instead of having to tack on side sheds or investing in two sheds, the Expert workshop features two doors for ease. This means that you can position and face whichever way is most convenient for your garden. You can use one entrance for larger equipment and one as a garden side door.

Combined with the increased internal height, sheds with double doors allow you to manoeuvre larger items in and out.


At Garden Buildings Direct, we use quality material in every part of your shed's construction. Our high-quality European-sourced wood not only offers a lovely aesthetic appeal but is durable and hard-wearing.


The Expert T&G Apex Workshop comes with a 10-year anti-rot guarantee. Your guarantee against rot also covers your building against decay and insect infestation.


We do not offer an assembly service on our buildings as they are designed to be easily put together by either yourself or an installer. Your workshop will come provided with comprehensive assembly instructions that are easy to follow as well as ready-assembled panels.

Depending on the size of your building and the expected weight of the contents, you might want to consider building a concrete base. For smaller buildings, pavers or bearers will do. Just always ensure you have a level base for structural integrity.

Tongue & Groove Cladding

As with most of our sheds, this building comes with a sturdy 11mm tongue and groove roof and floor included as standard with the option to upgrade to 19mm flooring with or without pressure treatment, offering even more strength to your building. Green mineral roofing felt is also included to increase the longevity of your building, helping it last for years to come.

The tongue & groove cladding offers a durable storage solution that will protect your belongings against fluctuating weather whilst lasting a long time. This method of construction also creates a tight teal against any water ingress.


To keep your workshop shed maintained over the years, we offer a range of treatments and paints in various colours. With anything from an affordable solution to a high-quality decorative finish, you can protect your building.

Our top-quality garden paint waterproofs as well as provides your favourite colour (or a natural tone) to your timber workshop.

Garden Buildings Direct - Deliveries

Garden Buildings Direct we provide fast and free delivery mainland delivery to most of the UK. Simply enter your delivery address to get your wooden garden workshop in a delivery time of as little as 1 - 3 weeks with no shipping cost!  Then, with your new flat-pack workshop, you and a friend can have it constructed within a matter of hours.

Dimensions 10 x 10 12 x 10 16 x 10 20 x 10
Width 318.3cm 318.3cm 318.3cm 318.3cm
Depth 299.6cm 358.2cm 475.4cm 592.6cm
Eaves Height (Inc Floor) 173.2cm 173.2cm 173.2cm 173.2cm
Eaves Height (Internal) 175.4cm 175.4cm 175.4cm 175.4cm
Ridge Height (Internal) 242.4cm 242.4cm 242.4cm 242.4cm
Ridge Height (Inc Floor) 247cm 247cm 247cm 247cm
Door Opening Size (w x h) 111.6cm x 171.9cm 111.6cm x 171.9cm 111.6cm x 171.9cm 111.6cm x 171.9cm
Door Height 176cm 176cm 176cm 176cm
Door Width 55.2cm 55.2cm 55.2cm 55.2cm
Width (Internal) 293cm 293cm 293cm 293cm
Depth (Internal) 287.4cm 346cm 463.2cm 580.4cm
Minimum Base Width 301cm 301cm 301cm 301cm
Minimum Base Length 295cm 354cm 471cm 588cm
Frame Thickness (w x d) 2.8cm x 2.8cm 2.8cm x 2.8cm 2.8cm x 2.8cm 2.8cm x 2.8cm
Materials 10 x 10 12 x 10 16 x 10 20 x 10
Roof Material 11mm Tongue and Groove 11mm Tongue and Groove 11mm Tongue and Groove 11mm Tongue and Groove
Floor Material 11mm Tongue and Groove 11mm Tongue and Groove 11mm Tongue and Groove 11mm Tongue and Groove
Roof Covering Material Green Mineral Felt Green Mineral Felt Green Mineral Felt Green Mineral Felt
Glazing Material Perspex Perspex Perspex Perspex
Features 10 x 10 12 x 10 16 x 10 20 x 10
Cladding Style Tongue and Groove Tongue and Groove Tongue and Groove Tongue and Groove
Windows N/A - Windowless 4 windows (all fixed) 6 windows (all fixed) 8 Windows All Fixed
Factory Basecoat Treatment Red Cedar Water Based Treatment for Transit Red Cedar Water Based Treatment for Transit Red Cedar Water Based Treatment for Transit Red Cedar Water Based Treatment for Transit
Material Wood Wood Wood Wood
Locking System Turn Button Turn Button Turn Button Turn Button
Pre-Assembled Side Panels Yes Yes Yes Yes
Roof Style Apex Apex Apex Apex
Please Note: This product has been designed as an affordable solution to most popular light domestic uses. All products supplied self assembly flat packed unless otherwise stated.