13ft (4.05m) Wide

Step into unparalleled luxury and functionality with our exclusive collection of 13ft front-width summerhouses, each designed to elevate your garden into a versatile and stylish living space. The Forest Xtend 4.0 Insulated Garden Office is a testament to modern design and efficiency, perfect for those who work from home and seek a dedicated, professional space amidst the tranquillity of nature.

For those who desire a blend of elegance and practicality, the Mercia Corner Summerhouse with Side Shed offers a sophisticated retreat and convenient storage. With its bespoke build options, the Mercia Self-Build Insulated Garden Room allows for a personalised garden haven tailored to your specific needs and aesthetic preferences.


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The Forest Xtend 4.0 Insulated Garden Office with 3 fixed long windows which includes a 1/4 opening side window provides the perfect workspace solution for anyone who works from home. Away from the distractions of your home, it provides a quiet environment that is perfect for concentrating on your work. Say goodbye to being cramped into a small spare bedroom or getting back ache from trying to work in your bed! Just some of the key features of this superb building include:

  • Highly energy efficient, and remains warm in the winter while cool in the summer; read more below for extra detail about how this is achieved
  • Comes with a 15-year structural guarantee, so it can be relied upon to provide many years of service
  • A much cheaper alternative to a traditional extension and is delivered free to most UK mainland addresses
  • State-of-the-art manufacturing techniques ensure a building that is surprisingly straightforward to assemble
 
FROM £12,071.01
Save £373.33
Was £12,444.34

This 13 x 9 Premium Corner Summerhouse with Side Storage is perfect if you want a garden building with everything you need. Enjoy the bright and airy space inside the corner summerhouse and hide away garden essentials in the handy side shed. Top features include:

  • Fully glazed double doors
  • Four full-length fixed styrene glazed window
  • Convenient side shed for storage
  • Corner design
  • Shiplap 12mm tongue and groove cladding
  • Brushed chrome handles and hinges
  • Manufactured in the UK from FSC-certified timber
 
ONLY £1,549.99
 

Want to add more space to your home without the hassle of building an extension? The Mercia 4m x 2m Self Build Garden Room is the perfect solution. Top features include:

  • Simple design for easy self-assembly
  • 72mm Thick Double Skinned Walls
  • Fully insulated roof, floor and walls
  • Interlocking tongue and groove roof and floor
  • 14mm double-glazed doors and windows
  • 10-year anti-rot guarantee
 
ONLY £6,499.99
 

Create the perfect extension for your home with this 4m x 3m Insulated Garden Room with Side Shed. The insulated garden pod is designed for all-year use. The key features include: 

  • Installation included 
  • 72mm Thick Double Skinned Walls
  • Fully insulated roof, floor and walls
  • Interlocking tongue and groove roof and floor
  • 14mm double-glazed windows
  • 10-year anti-rot guarantee
 
ONLY £9,099.99
 

The Mercia 4m x 3m Self Build Garden Room is the perfect solution to add more space to your home. A top-quality garden pod with endless possibilities. Top features include:

  • Simple design for easy self-assembly
  • 72mm Thick Double Skinned Walls
  • Fully insulated roof, floor and walls
  • Interlocking tongue and groove roof and floor
  • 14mm double-glazed windows and doors
  • 10-year anti-rot guarantee
 
ONLY £7,499.99
 

Create the perfect extension for your home with this 4m x 4m Insulated Garden Room with Side Shed. The insulated garden pod is designed for all-year use. The key features include: 

  • Installation included 
  • 72mm Thick Double Skinned Walls
  • Fully insulated roof, floor and walls
  • Interlocking tongue and groove roof and floor
  • 14mm double-glazed wiindows
  • 10-year anti-rot guarantee
 
ONLY £10,199.99
 

13ft (4.05m) Wide

While each model in our 13ft range has its unique charm, they might share various features that cater to different lifestyles and preferences. Some models might come equipped with a verandah, providing a delightful area for relaxation or entertainment while enjoying the beauty of your garden. Durability and quality are emphasised with a 10 year guarantee. The summerhouses might feature large single or double doors, complemented by toughened double-glazing on windows, which could be either fixed or opened to ensure a well-lit and ventilated space.

The construction of these summerhouses might include high-quality shiplap dip-treated tongue and groove boards. Using environmentally friendly FSC-certified timber in some models highlights a commitment to sustainability. Additional features like door locks and keys for added security and a roof overhang for extra protection against the elements could also be included.