20ft (6.10m) Wide

Our 20ft front-width summerhouse range offers an unparalleled fusion of grandeur and practicality, setting the stage for a magnificent garden transformation. Imagine the Shire Cali Insulated Garden Office, available with or without a Side Shed, as yo...Read more

Our 20ft front-width summerhouse range offers an unparalleled fusion of grandeur and practicality, setting the stage for a magnificent garden transformation. Imagine the Shire Cali Insulated Garden Office, available with or without a Side Shed, as your ultimate work-from-home haven, blending the serenity of your garden with the comforts of a modern office. It’s truly a standout with pre-painted timbers, Airtec double insulation, and Celotex insulation.

Optional extras of UPVC windows and doors take it up another level. The Shire Mayfield Summerhouse provides a spacious and elegant sanctuary for those seeking a more traditional retreat, perfect for relaxation, hobbies, or hosting social gatherings. The Mercia Creswell Insulated Garden Room, optionally accompanied by a Veranda or Side Shed, offers a versatile space tailored to your specific lifestyle needs, whether for leisure, work, or storage.

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Showing > 12 Products
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The 20 x 12 Shire Cali Pent Garden Office is a modern garden building. It’s a garden pod you can use in a variety of ways. The key features include:

  • Stylish look with optional bespoke design service
  • Installation is included in the price
  • Inclusive Painting for Interior and Exterior (Colour Selection Post Ordering)
  • No treatment needed
  • Windows and doors double glazed 
  • 20mm Flooring with Herringbone Vinyl flooring
  • Option for UPVC Double glazing and a skylight
  • EPDM Roofing with 50 Year Guarantee
  • 10-year anti-rot guarantee
 
ONLY £14,656.99
Save £1,832.01
Was £16,489.00

The 20 x 12 Shire Cali Pent Garden Office with side storage is a modern garden building with a handy side shed. It’s a versatile garden pod you can use in many ways. The key features include:

  • Stylish look with optional bespoke design service
  • Installation is included in the price
  • Inclusive Painting for Interior and Exterior (Colour Selection Post Ordering)
  • No treatment needed
  • Windows and doors double glazed 
  • 20mm Flooring with Herringbone Vinyl flooring
  • Option for UPVC Double glazing and a skylight
  • EPDM Roofing with 50 Year Guarantee
  • 10-year anti-rot guarantee
 
ONLY £14,999.00
Save £1,870.00
Was £16,869.00

The 20 x 6 Mayfield Summerhouse is a large garden building with lots of space for the whole family to enjoy. Multiple windows, a reverse apex roof, and a large footprint make this a versatile wooden summerhouse. The key features include:

  • Modern design with a reverse apex roof
  • 4 fixed large glazed windows  
  • Fully glazed double doors 
  • Shiplap cladding 12mm interlocking tongue and groove
  • 10-year anti-rot guarantee
 
ONLY £1,784.99
Save £175.00
Was £1,959.99

The 20 x 8 Mayfield Summerhouse is a large garden summerhouse that the whole family can enjoy. Multiple windows, a reverse apex roof, and a large footprint make this modern summerhouse a fantastic garden upgrade. The key features include:

  • Modern design with a reverse apex roof
  • 4 fixed large glazed windows  
  • Fully glazed double doors 
  • Shiplap cladding 12mm interlocking tongue and groove
  • 10-year anti-rot guarantee
 
ONLY £2,044.99
Save £204.01
Was £2,249.00

The 20 x 8 Shire Cali Pent Garden Office is a modern garden building. It’s a garden pod you can use in many ways. The key features include:

  • Installation is included in the price
  • Inclusive Painting for Interior and Exterior (Colour Selection Post Ordering)
  • No treatment needed
  • Windows and doors double glazed 
  • 20mm Flooring with Herringbone Vinyl flooring
  • Option for UPVC Double glazing and a skylight
  • EPDM Roofing with 50 Year Guarantee
  • 10-year anti-rot guarantee
 
ONLY £13,109.00
Save £1,635.00
Was £14,744.00

The 20 x 8 Shire Cali Pent Garden Office with side storage is a chic garden building with a handy side shed. It’s a garden pod you can use in many ways. The key features include:

  • Modern look with optional bespoke design service
  • Installation is included in the price
  • Inclusive Painting for Interior and Exterior (Colour Selection Post Ordering)
  • No treatment needed
  • Windows and doors double glazed 
  • 20mm Flooring with Herringbone Vinyl flooring
  • Option for UPVC Double glazing and a skylight
  • EPDM Roofing with 50 Year Guarantee
  • 10-year anti-rot guarantee
 
ONLY £13,413.99
Save £1,675.01
Was £15,089.00

The 6m x 3m Mercia Cresswell Insulated Garden Room features 100mm thick double-skinned walls containing Eco-quilt multi-foil insulation. It is perfect for all-year use as a garden office, guest space, or garden gym. The key features include:

  • Free Home Installation

  • 14mm Double glazed with 2 top opening windows and 2 fixed windows

  • EcoQuilt insulated walls and roof

  • Air Tec Insulated floor

  • Customisable design

  • Solid Sheet Board & Interlocking Tongue and Groove Roof

  • 16mm Tongue and groove floor

  • 10-year anti-rot guarantee

 
FROM £12,499.99

Looking for a practical and cost effective way to expand on the usable living space in your home without moving house or building a traditional extension? Then the 20 x 10 Mercia Insulated Garden Room could be the perfect solution. A recreation room, a home office, a home gym or even a guest or spare bedroom, you can take advantage of this spacious garden building all year round. The key features include:

  • 72mm thick, double-clad walls fitted with innovative and effective “EcoQuilt” insulation
  • Long-lasting EPDM rubber roof and 14mm double glazed windows provide excellent protection from the elements
  • Installation is included free of charge as part of the price of your Garden Room
 
ONLY £10,299.99
Save £1,200.00
Was £11,499.99

Create the perfect extension for your home with this 6m 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 £11,899.99

The 6m x 4m Cresswell Insulated Garden Room is perfect for all-year use. It is made with 100mm thick double-skinned walls containing Eco-quilt multi-foil insulation. You can use it as a garden office, guest space, or covered eating area. The key features include:

  • Free Home Installation
  • Customisable design
  • Air Tec Insulated floor
  • EcoQuilt insulated walls and roof
  • 14mm Double glazed with 2 top opening windows and 2 fixed windows
  • 16mm Tongue and groove floor
  • Solid Sheet Board & Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee
 
FROM £13,899.99

The largest size available, the 20 x 14 Mercia Insulated Garden Room will add so much extra usable space to your home that you’ll have a hard time deciding what to do with it! A recreation room, a home office, a home gym or even a guest or spare bedroom, you can take advantage of this spacious garden building all year round. The key features include:

  • 72mm thick, double-clad walls fitted with innovative and effective “EcoQuilt” insulation
  • Long-lasting EPDM rubber roof and 14mm double glazed windows provide excellent protection from the elements
  • Installation is included free of charge as part of the price of your Garden Room
 
ONLY £10,999.99
Save £1,000.00
Was £11,999.99

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 and doors
  • 10-year anti-rot guarantee
 
ONLY £12,599.99

20ft (6.10m) Wide

In these 20ft wide models, potential features are thoughtfully incorporated to cater to various preferences. Depending on the model, there might be guarantees of 10, 15, or 25 years, offering peace of mind regarding the longevity and quality of your summerhouse. Single or double French doors add a touch of elegance and provide easy access. In contrast, the choice between single or double-glazing ensures your summerhouse is well-lit and comfortable throughout the year. High-quality shiplap tongue and groove boards might be used in construction, ensuring durability and a refined finish, and dip-treated timber could extend the life of these structures.

Roof designs might vary between apex or pent, with options for insulated or non-insulated roofs to suit different needs. Some models' use of environmentally friendly FSC-certified timber underlines a commitment to sustainability. These 20ft wide summer houses are not just an addition to your garden; they are a statement of luxury, versatility, and environmental consciousness, enhancing your outdoor living experience in countless ways.