10 Year
Anti-Rot Guarantee
Protects the wood on your building against rot and decay.
If you're looking for somewhere to spend time with family and friends, the BillyOh Tianna Log Cabin Summerhouse with Side Store offers you that and so much more. Built with both practicality and utility in mind, this stylish summer house is a dual-purpose building with a spacious main area and a side storage unit that can be placed on either side of the building.
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Subject to delivery postcode
Finance from ... a month
Protects the wood on your building against rot and decay.
Over 20 years of experience in design and production.
Interlocking boards, assembly instruction and fixings included ensures a stress-free installation.
Move the internal wall to give you more or less space in each section.
Strong Tongue and Groove construction ensures a robust and solid build. The Tongue and Groove boards interlock with one another to form a tight seal offering high-quality weather protection.
The wide double doors provide ease of access in and out of the summerhouse and on a summer's day can be left open to allow the warm summer breeze inside.
One of the key features of this log cabin summerhouse are the modern doors. The long windows of the Tianna provide you with fantastic views of your garden, allowing the sunlight to enter and provide natural lighting and a spacious feel to the whole room.
This stylish summerhouse has multi-purpose uses, with a side storage unit attached. It’s great for storing all your gardening items and equipment in one place. The storage area comes with a boarded single door offering excellent access while still being focused on security.
The internal wall can be moved to increase the size of either section to suit your individual needs. Having smaller storage space is perfect for bike storage or a garden tool shed while still keeping your ample summerhouse space.
Durable Single SAN glazing included as standard. SAN is used for its UV properties and the tougher finish avoids breakages.
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.
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.
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.
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.
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.
Customer Images
The BillyOh guarantee covers this building against:
Please note: The guarantee does not cover timber splits or warping which may occur naturally over time.
Duration of Guarantee:
For more information about BillyOh Guarantee, please visit our terms and conditions
Untreated: Log boards are delivered to you untreated, providing you with a natural wood appearance. You will need to treat this annually and after assembly to protect your wood against rot or decay.
Pressure Treated: For an extra level of protection, you can opt for pressure treatment which is an effective way of keeping the wood long-lasting. This is an extra step in the manufacturing process where the wood is treated in a pressurised tank. Chemical preservatives are forced deep into the wood’s fibres to resist rot, decay and termites. When you upgrade to Pressure Treatment, the guarantee is extended from 10 to 15 years.
We have a selection of different cladding options from the list below available on our buildings.
19mm - Solid profile single Tongue and Groove for strength and durability. Great for small buildings with seasonal use in mind.
28mm - Solid profile single Tongue and Groove for strength and durability. Great for medium to large buildings ideal for seasonal use.
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.
With the Tianna an 11mm Tongue and Groove floor and roof is included but you can upgrade to 19mm to suit more intensive use.
Roof:
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.
Floor:
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.
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 a team of at least 2 people, the interlocking logs that simply slot together mean you will have your BillyOh building up in no time!
Our Log Cabins arrive as individual boards that are designed to be easily slotted together. This makes assembly easy and gives a strong building with interlocking corners for strength. If you opt for double glazed windows and doors, these are delivered pre-assembled for your convenience.
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.
So, if you're looking for a modern and practical summerhouse to spend time with family and friends during warmer months, the Tianna Summerhouse with Side Shed offers you just that and so much more.
Built with both practicality and style in mind, this stylish Billyoh summerhouse is a dual-purpose building. A great way to save space in the garden, the Billyoh Tianna log cabin summerhouse with a side store is multifunctional combi-building with side storage attached. The side shed is excellent for storing all your gardening items and equipment in one place, safely out of sight.
The long windows of this summerhouse with side shed provide you with fantastic views of your garden as well as allow natural light to flood in, giving you a great space to use as a garden office, garden studio or summerhouse. The wide double doors provide ease of access in and out of the summerhouse and can be left open to allow the warm summer breeze inside on a summer's day.
The storage portion of this summer house with shed comes with a boarded single door offering excellent access while still being focused on security. The internal wall can be moved to increase the size of either section to suit your individual needs. Having smaller storage space is perfect for bike storage or a garden tool shed while still keeping your ample summerhouse space.
The Tianna log cabin summerhouse with side shed comes with an 11mm Tongue and Groove floor and roof as standard. The floor can be upgraded to 19mm for more intensive use. To increase the lifespan of the summer house, you can opt for a pressure treatment to be applied to your building. The pressure treatment penetrates the wood leaving you with a summer house and shed that’s low maintenance and requires fewer treatments at home, saving you money and hassle in the long run.
The Tianna is a fantastic modern summer house with shed that redefines what you can do with your garden space. Available in our popular 12x8 summer house model, the Tianna is perfect for those who want relaxation and usable space for storage or security.
At Garden Buildings Direct, we offer mainland delivery in the UK free at no additional charge on this summer house shed. Our friendly team will deliver your summerhouse with shed right to your delivery postcode. And if you need some helpful customer service just have a chat with our customer service team.
Log cabins are delivered via kerbside delivery as stacks of pre-assembled panels that require fitting together. All panels are designed to be smaller enough to fit down side entrances and even for transport through houses.
As a contemporary summer house and shed, the Tianna gives off a wonderful aesthetic. This modern summer house features a pent roof and wide-opening double doors to maximise space so you can make the most of your 12x8 summerhouse (or 14x8 model). As a garden log cabin, it offers sturdy construction, functionality and style. Look no further.
Our friendly team deliver our garden summer houses and cabins safely and securely in pre-cut panel ready for easy assembly. Simply follow the instructions provided with your order.
At Garden Buildings Direct, we have not only a range of log cabins, but a wide range of options too. Choose from cladding thicknesses, base options and even interior shelving to make your modern summer house perfect for you.
A contemporary style, the Tianna's flat roof is different to an apex roof. With a slight roof overhang, this roof type is unobtrusive to your view whilst maximising headroom.
If you want to make the most of your outdoor space, you might be looking at a summerhouse with shed. Perfect for storing garden furniture and garden equipment, the Tianna offers usable space in a handy side shed. For log cabin storage without having to invest in a separate shed, consider this gorgeous modern summer house.
With tongue and groove boards made from high-quality timber, your Tianna will feature a tight seal against rainwater and water ingress. Each individual tongue interlocks into the accompanying groove of the next panel to create a sturdy modern summer house. And, with quality timber treatment, you can extend the life of your contemporary summer house for years to come. That's why we offer our BillyOh 10-year guarantee on all our garden buildings.
If you need a summer house with storage then don’t hesitate with this awesome log cabin style summerhouse with side shed.
Styrene Acrylonitrile (SAN) glazing is a high-strength rigid plastic glazing that’s UV-stable and shatter resistant. Aesthetically pleasing and safe to handle it comes at an attractive price point.
Toughened, double-glazed glass may be available as an upgrade. Features of toughened glass include added strength versus regular glass and double-glazing with a space between panes to reduce heat transfer.
We're dedicated to providing you with top-tier customer service from the moment you enter our site all the way up to when your summer house is ready to be retired. As part of this, we provide free delivery across the whole of the UK mainland. To find out if you're eligible, simply customise your Tianna to your specifications, take it to the checkout, and enter your postcode!
| Dimensions | 12x8 | 14x8 |
|---|---|---|
| Width (internal storage) | 135cm | 150cm |
| Width (internal summerhouse) | 205cm | 250cm |
| Width | 361cm | 421cm |
| Depth | 241cm | 241cm |
| Eaves Height (Inc Floor) | 184cm | 185cm |
| Eaves Height (Excl Floor) | 182cm | 182cm |
| Ridge Height (Inc Floor) | 210cm | 210cm |
| Ridge Height (Excl Floor) | 207cm | 207cm |
| Door Opening Size (w x h) | 149cm x 173cm | 149cm x 173cm |
| Glazing Thickness | 0.18cm | 0.18cm |
| Cladding Sizes Available | 28mm | 28mm |
| Minimum Base Width | 360cm | 421cm |
| Minimum Base Length | 238cm | 238cm |
| Materials | 12x8 | 14x8 |
| Glazing Material | Styrene | Styrene |
| Floor Material | 11mm Tongue and Groove | 11mm Tongue and Groove |
| Roof Material | 11mm Tongue and Groove | 11mm Tongue and Groove |
| Roof Covering Material | Green Mineral Felt | Green Mineral Felt |
| Features | 12x8 | 14x8 |
| Veranda Available? | No | No |
| Cladding Style | Tongue and Groove Interlocking Boards | Tongue and Groove Interlocking Boards |
| Door Style | Double Doors | Double Doors |
| Windows | No window | No window |
| Factory Basecoat Treatment | Optional - Non Treated or Pressure Treated | Optional - Non Treated or Pressure Treated |
| Overhang Style | Pent | Pent |
| Material | Wood | Wood |
| Roof Style | Pent | Pent |
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 a team of at least 2 people, the interlocking logs that simply slot together mean you will have your BillyOh building up in no time!
See just how easy our log cabins are to assemble in this video:
We love to catch up with our customers to see how they’re getting on with their garden buildings. Check out how some of our customers have decorated their garden building and read what they had to say about it.
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