Octagonal Summer Houses

Looking for a summer house with a sociable shape? You are in the right place. Enjoy the view of your garden with our range of octagonal summer houses from leading brands such as Rowlinson.

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  1. Rowlinson Bertilo Cubus 3 Office - Anthracite
    Rowlinson Bertilo Cubus 3 Office - Anthracite
    £3,999.99 £3,643.99
    £3,538.99
    More info

    Rowlinson Bertilo Cubus 3 Office - Anthracite

    Description:
    <p>Cubus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden. The pent sloping roof with its squared off roof line give it a clean, crisp cube look.</p> <p>The modern design incorporates floor-to-ceiling double-glazed front windows that let in plenty of light giving the inside a bright airy feel, further enhanced by the two opening side windows you...
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    Save £461.00
  2. Rowlinson Bertilo Concept Office - Anthracite
    Rowlinson Bertilo Concept Office - Anthracite
    £3,004.99 £2,881.99
    £2,754.99
    More info

    Rowlinson Bertilo Concept Office - Anthracite

    Description:
    <p>Concept Office from Bertilo by Rowlinson Garden Products is an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>The modern design with floor to ceiling double glazed front windows let in plenty of light, giving the inside a bright airy feel, which is further enhanced by the two opening side windows you can position on either side of the building. An angular front veranda and squared off roo...
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    Save £250.00
  3. Rowlinson Bertilo Garden-Lounge 2
    Rowlinson Bertilo Garden-Lounge 2
    £2,349.99 £2,116.99
    £1,993.99
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    Rowlinson Bertilo Garden-Lounge 2

    Description:
    <p>A contemporary and stylish twist on the traditional garden gazebo, Garden Lounges from Bertilo by Rowlinson Garden Products are a stunning, sheltered space to sit and relax, or enjoy al fresco living with your family and friends.</p> <p>Featuring heavy-duty 41x41mm timber framing with 19mm tongue and groove timber cladding, attractive louvre panels and a pent-sloping roof with squared-off roof line giving it a clean, crisp cube look. Supplied in its natural timber finish tha...
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    Save £356.00
  4. Rowlinson Bertilo Pentus 2 Office - Anthracite
    Rowlinson Bertilo Pentus 2 Office - Anthracite
    £2,999.99 £2,699.99
    £2,592.99
    More info

    Rowlinson Bertilo Pentus 2 Office - Anthracite

    Description:
    <p>Pentus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>Their modern design with floor-to-ceiling double-glazed front windows let in plenty of light giving the inside a bright airy feel, which is further enhanced by the two opening side windows you can position on either side of the building. Featuring heavy duty 41x41mm timber framin...
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    Save £407.00
  5. Rowlinson Bertilo Cubus 2 Office - Natural
    Rowlinson Bertilo Cubus 2 Office - Natural
    £2,499.99 £2,288.99
    £2,152.99
    More info

    Rowlinson Bertilo Cubus 2 Office - Natural

    Description:
    <p>Cubus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden. The pent sloping roof with its squared off roof line give it a clean, crisp cube look.</p> <p>The modern design incorporates floor to ceiling double glazed front windows that let in plenty of light giving the inside a bright airy feel, further enhanced by the two opening side windows you...
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    Save £347.00
  6. Rowlinson Bertilo Pentus 3 Office - Natural
    Rowlinson Bertilo Pentus 3 Office - Natural
    £3,032.99 £2,917.99
    £2,789.99
    More info

    Rowlinson Bertilo Pentus 3 Office - Natural

    Description:
    <p>Pentus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>Their modern design with floor-to-ceiling double-glazed front windows let in plenty of light giving the inside a bright airy feel, which is further enhanced by the two opening side windows you can position on either side of the building. Featuring heavy-duty 41x41mm timber framin...
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    Save £243.00
  7. Rowlinson Bertilo Cubus 3 Office - Natural
    Rowlinson Bertilo Cubus 3 Office - Natural
    £3,071.99 £2,961.99
    £2,829.99
    More info

    Rowlinson Bertilo Cubus 3 Office - Natural

    Description:
    <p>Cubus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>The pent sloping roof with its squared off roof line give it a clean, crisp cube look. The modern design incorporates floor-to-ceiling double-glazed front windows that let in plenty of light giving the inside a bright airy feel, further enhanced by the two opening side windows you...
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    Save £242.00
  8. Rowlinson Bertilo Concept Office - Natural
    Rowlinson Bertilo Concept Office - Natural
    £2,432.99 £2,309.99
    £2,209.99
    More info

    Rowlinson Bertilo Concept Office - Natural

    Description:
    <p>Concept Office from Bertilo by Rowlinson Garden Products is an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>The modern design with floor to ceiling double glazed front windows let in plenty of light, giving the inside a bright airy feel, which is further enhanced by the two opening side windows you can position on either side of the building. An angular front veranda and squared-off roo...
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    Save £223.00
  9. Rowlinson Bertilo Pentus 2 Office - Natural
    Rowlinson Bertilo Pentus 2 Office - Natural
    £2,549.99 £2,317.99
    £2,195.99
    More info

    Rowlinson Bertilo Pentus 2 Office - Natural

    Description:
    <p>Pentus Offices from Bertilo by Rowlinson Garden Products are an easy way to add more room if you need extra living space, an office, games room, or just somewhere to sit and enjoy the garden.</p> <p>Their modern design with floor-to-ceiling double-glazed front windows let in plenty of light giving the inside a bright airy feel, which is further enhanced by the two opening side windows you can position on either side of the building. Featuring heavy duty 41x41mm timber framin...
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    Save £354.00
  10. Mercia Pressure Treated Garden Bar
    Mercia Pressure Treated Garden Bar
    £319.99
    £299.99
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    Mercia Pressure Treated Garden Bar

    Description:
    #html-body [data-pb-style=BW3YI3Y]{border-style:none;border-width:1px;border-radius:0}#html-body [data-pb-style=BW3YI3Y],#html-body [data-pb-style=P6VLG0E]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;margin:0;padding:0}#html-body [data-pb-style=UJMSIIU]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}#html-body [data-pb-style=DPSA8KL]{margin-bottom:5...
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    Save £20.00
  11. Mercia 3m x 4m Insulated Garden Room (with FREE Installation)
    Mercia 3m x 4m Insulated Garden Room (with FREE Installation)
    £9,099.99
    £8,599.99
    More info

    Mercia 3m x 4m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 3m x 4m Insulated Garden Room is perfect as a home office, a place to entertain guests or simply an area to relax and unwind all year round, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is grea...
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    Save £500.00
  12. Mercia 4m x 6m Insulated Garden Room (with FREE Installation)
    Mercia 4m x 6m Insulated Garden Room (with FREE Installation)
    £12,100.99
    £11,499.99
    More info

    Mercia 4m x 6m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 4m x 6m is perfect if you're in need of a home office, additional living space or somewhere to accommodate guests. has been designed and built for year round use, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise fr...
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    Save £601.00
  13. Mercia 3m x 2m Insulated Garden Room (with FREE Installation)
    Mercia 3m x 2m Insulated Garden Room (with FREE Installation)
    £6,399.99
    £5,999.99
    More info

    Mercia 3m x 2m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 3m x 2m Insulated Garden Room creates the perfect way to make the most of your garden, while in the comfort of the indoors all year round, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is greatl...
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    Save £400.00
  14. Mercia 2m x 3m Insulated Garden Room (with FREE Installation)
    Mercia 2m x 3m Insulated Garden Room (with FREE Installation)
    £6,399.99
    £5,999.99
    More info

    Mercia 2m x 3m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 2m x 3m Insulated Garden Room creates the perfect way to make the most of your garden, while in the comfort of the indoors all year round, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is greatl...
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    Save £400.00
  15. Mercia 3m x 5m Insulated Garden Room (with FREE Installation)
    Mercia 3m x 5m Insulated Garden Room (with FREE Installation)
    £10,399.99
    £9,999.99
    More info

    Mercia 3m x 5m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 3m x 5m Insulated Garden Room is perfect as a home office, a place to entertain guests or simply an area to relax and unwind all year round, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is grea...
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    Save £400.00
  16. Mercia 6m x 4m Insulated Garden Room with Side Shed (with FREE Installtion)
    Mercia 6m x 4m Insulated Garden Room with Side Shed (with FREE Installtion)
    £13,109.99
    £12,499.99
    More info

    Mercia 6m x 4m Insulated Garden Room with Side Shed (with FREE Installtion)

    Description:
    <p>Create your dream extended living space with a spacious and airy 6 x 4m Insulated Garden Room with Side Shed. A roomy 5m x 4m Garden Room provides a snug, yet long living space ideal for relaxing, work or hobbies. If you'd like to take your work away from your home, but don't fancy a commute, an Insulated Garden Room is an ideal option.</p> <p>In addition to a new living space, the added bonus of a practical 1m x 4m side shed creates additional storage space without adding m...
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    Save £610.00
  17. Mercia 3m x 4m Insulated Garden Room with Side Shed (with FREE Installation)
    Mercia 3m x 4m Insulated Garden Room with Side Shed (with FREE Installation)
    £9,599.99
    £9,099.99
    More info

    Mercia 3m x 4m Insulated Garden Room with Side Shed (with FREE Installation)

    Description:
    Create your dream extended living space with a spacious and airy 3 x 4m Insulated Garden Room with Side Shed. A roomy 2m x 4m Garden Room provides a snug, yet long living space ideal for relaxing, work or hobbies. If you'd like to take your work away from your home, but don't fancy a commute, an Insulated Garden Room is an ideal option. In addition to a new living space, the added bonus of a practical 1m x 4m side shed creates additional storage space without adding more clutter to your home. Id...
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    Save £500.00
  18. Shire Barn 12 ft x 8 ft Shed Workshop
    Shire Barn 12 ft x 8 ft Shed Workshop
    £1,524.99 £1,204.99
    £1,199.99
    More info

    Shire Barn 12 ft x 8 ft Shed Workshop

    Description:
    Made in the UK, this stylish Barn garden shed is both practical and stylish! Ideal for all your tools, lawn mowers, bikes and garden furniture but would also make an excellent workshop with an internal ridge height over 2 m high. This practical Barn has two joinery quality, storm resistant opening windows and the double door is completed with a padbolt ready for your own padlock. the doors can be fitted at either end. Both roof and floor are manufactured from 12mm...
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    Save £325.00
  19. Mercia 3m x 3m Insulated Garden Room (with FREE Installation)
    Mercia 3m x 3m Insulated Garden Room (with FREE Installation)
    £7,399.99
    £6,999.99
    More info

    Mercia 3m x 3m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 3m x 3m Insulated Garden Room is an incredibly versatile building that can be used all year round thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise from the outside is greatly reduced. Each window used in this build...
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    Save £400.00
  20. Mercia 3m x 6m Insulated Garden Room (with FREE Installation)
    Mercia 3m x 6m Insulated Garden Room (with FREE Installation)
    £11,599.99
    £10,999.99
    More info

    Mercia 3m x 6m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 3m x 6m is perfect if you're in need of a home office, additional living space or somewhere to accommodate guests. has been designed and built for year round use, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise fr...
    View Product
    Save £600.00
  21. Mercia 4m x 3m Insulated Garden Room (with FREE Installation)
    Mercia 4m x 3m Insulated Garden Room (with FREE Installation)
    £9,099.99
    £8,599.99
    More info

    Mercia 4m x 3m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 4m x 3m perfect for those looking to add a modern extension to their garden&#33; This all-purpose garden room has been designed and built for year round use, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise fro...
    View Product
    Save £500.00
  22. Mercia 4m x 5m Insulated Garden Room (with FREE Installation)
    Mercia 4m x 5m Insulated Garden Room (with FREE Installation)
    £11,100.99
    £10,499.99
    More info

    Mercia 4m x 5m Insulated Garden Room (with FREE Installation)

    Description:
    <p>This 4m x 5m perfect for those looking to add a modern extension to their garden&#33; This all-purpose garden room has been designed and built for year round use, thanks to the Eco-quilt insulation that features in the walls, roof, and floor. The walls are consisting of three layers, a 16mm tongue and groove outer layer, a 44mm gap in the middle that is filled with insulation, and a 12mm tongue and groove inner wall. The thick walls mean heat is trapped in and any entering noise fro...
    View Product
    Save £601.00
  23. Mercia 6m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)
    Mercia 6m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)
    £12,299.99
    £11,799.99
    More info

    Mercia 6m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)

    Description:
    Create your dream extended living space with a spacious and airy 6 x 3m Insulated Garden Room with Side Shed. A roomy 5m x 3m Garden Room provides a snug, yet long living space ideal for relaxing, work or hobbies. If you'd like to take your work away from your home, but don't fancy a commute, an Insulated Garden Room is an ideal option. In addition to a new living space, the added bonus of a practical 1m x 3m side shed creates additional storage space without adding more clutter to your home. Id...
    View Product
    Save £500.00
  24. Mercia 5m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)
    Mercia 5m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)
    £11,100.99
    £10,499.99
    More info

    Mercia 5m x 3m Insulated Garden Room with Side Shed (with FREE Installtion)

    Description:
    Create your dream extended living space with a spacious and airy 5 x 3m Insulated Garden Room with Side Shed. A roomy 4m x 3m Garden Room provides a snug, yet long living space ideal for relaxing, work or hobbies. If you'd like to take your work away from your home, but don't fancy a commute, an Insulated Garden Room is an ideal option. In addition to a new living space, the added bonus of a practical 1m x 3m side shed creates additional storage space without adding more clutter to your home. Id...
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    Save £601.00
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Why Choose an Octagonal Summer House?


Suited for large or small gardens, they have an eye-catching design that will add a touch of style to your outdoor space. Effortlessly fitting into many positions of your garden from the corner to the center. A great benefit is that some have 4 windows giving you plenty of light to enjoy on a beautiful day.