Summerhouse Cabin | Pressure Treated Alpine Grandmaster Plain Side
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15-YEAR ANTI-ROT GUARANTEE
Terms and conditions apply
FREE PRESSURE TREATMENT
on selected products*
FREE NEXT DAY OR PICK A DATE DELIVERY ON CHECKOUT

Grandmaster Alpine Summerhouse Cabin – Plain Side – Pressure Treated

Side Window Version Click Here

Free Anti-Rot Treatment - Guaranteed for 15 years*
  • UK Manufactured By Us
  • 1/4 assembly time vs log cabin
  • Easy Transportation
  • Multiple Design Options
  • Fully Pressure Treated*
  • 15 year Anti Rot Warranty*
  • Free UK Delivery*
  • Shatter Resistant Styrene Glazing

For 10% discount use code SPRING10

1 Choose your treatment

  • Standard Dip Treatment
  • FREE PRESSURE TREATMENT
    WORTH £0
In stock
Mortice lock and lockable windows
Extra tall inside
Stronger and taller double doors
16mm cladding upgrade
15 year anti rot guarantee
Fully opening windows

2 Choose your size

Increase your workspace with our larger sizes.

  • 16ft x 9ft pressure treated alpine plain side summerhouse
    16 x 9
    £3,799 £3,419
  • 16ft x 12ft pressure treated alpine plain side summerhouse
    16 x 12
    £4,299 £3,869
  • 20ft x 9ft pressure treated alpine plain side summerhouse
    20 x 9
    £4,499 £4,049
  • 16ft x 14ft pressure treated alpine plain side summerhouse
    16 x 14
    £4,699 £4,229
  • 16ft x 16ft pressure treated alpine plain side summerhouse
    16 x 16
    £4,999 £4,499
  • 20ft x 12ft pressure treated alpine plain side summerhouse
    20 x 12
    £4,999 £4,499
  • 20ft x 14ft pressure treated alpine plain side summerhouse
    20 x 14
    £5,399 £4,859
  • 20ft x 16ft pressure treated alpine plain side summerhouse
    20 x 16
    £5,699 £5,129

4 Choose your window fixings

Please note: UPVC will increase the lead time of the building. Please contact us before placing your order.

 Details

X

  • Economy Fixings

    Our economy silver fixings are butt hinges that are suitable for our single styrene glazing option. The opening windows are top hung where they also come with silver casement stays as standard.

  • Premium Fixings

    Our premium brass hinges are more heavy-duty and can easily support the weight of our double glazed windows and doors. They are also supplied with brass casement stays. You can still choose to have our brass fixings with our styrene glazed windows and doors if you are looking for a more premium finish.

  • UPVC Fixings

    Our UPVC fixings are only available with our UPVC window and door options. Please select the UPVC Fixings to select our UPVC options in our three colour choices.

  • Economy Fixings - Top Hung Windows
    £0
  • Economy Fixings - Top Hung Windows
    £0
  • Premium Fixings - Side Hung Windows
    £105

5 Choose your panel and windows

Please Note: Our Styrene Standard Modern Single Glazed windows and doors are for seasonal use. Should you want to use your garden building all year round, please upgrade to our Toughened Glass Premium Modern Double Glazed windows & doors.

Please note: UPVC will increase the lead time of the building. Please contact us before placing your order.

 Details watch

X

  • Single Glazing

    We offer single shatter-resistant styrene glazing as standard on our timber windows and doors. Styrene glazing is a more seasonal option but also more cost-effective if you are only planning to use your building in the warmer months.

  • Double Glazing

    For a building you can use all year round, you can upgrade to our double glazing option for your windows and doors. Our double glazing is made from 4mm toughened glass with a 6mm cavity. This option also provides better security compared to our single styrene glazing. We also recommend that you upgrade to our premium brass fixings if you choose to have double glazing on your building.

  • UPVC Features

    For the ultimate garden building that you can use all year round, we offer our premium quality UPVC windows and doors. Our UPVC option offers increased security with a deadlock locking system on our doors, and also comes double glazed with toughened glass as standard. This helps lock in the temperature, which is perfect if you are planning on insulating your building..

  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides (Standard Modern Single Glazed)
    £0
  • Plain Sides - Standard Modern Single Glazed
    £0
  • Plain Sides - Premium Modern Double Glazed
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides (Premium Modern Double Glazed)
    £202
  • Plain Sides - Premium Modern Double Glazed
    £202

6 Choose your floor

 Details watch

X

  • 11mm Floor

    Pressure treated 11mm tongue and groove Floor Boards. Standard option.

  • 19mm Floor

    Pressure Treated 19mm tongue and groove floor boards - select this option for medium use, if you intend on having furniture in the building and using occasionally.

  • 28mm Floor

    Pressure Treated 28mm tongue and groove floor boards. Select this option for Heavy use. This may include Gym/ heavy furniture use or heavy all year round use.

  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 11mm T&G Floor
    £0
  • 19mm T&G Floor
    £313
  • 19mm T&G Floor
    £331
  • 28mm T&G Floor
    £372
  • 19mm T&G Floor
    £426
  • 19mm T&G Floor
    £444
  • 19mm T&G Floor
    £475
  • 19mm T&G Floor
    £482
  • 19mm T&G Floor
    £554
  • 28mm T&G Floor
    £563
  • 19mm T&G Floor
    £597
  • 28mm T&G Floor
    £694
  • 28mm T&G Floor
    £834
  • 28mm T&G Floor
    £850
  • 28mm T&G Floor
    £992
  • 28mm T&G Floor
    £1,062
  • 28mm T&G Floor
    £1,239

7 Choose your roof cover

 Details watch

X

  • Roof Covering Option - Mineral Felt

  • Coloured Felt Tile - Black

  • Coloured Felt Tile - Green

  • Coloured Felt Tile - Grey

  • Roof Covering Option - Rubber Roof

  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Mineral Felt
    £0
  • Black Felt Tiles
    £265
  • Green Felt Tiles
    £265
  • Grey Felt Tiles
    £265
  • Black Felt Tiles
    £290
  • Green Felt Tiles
    £290
  • Grey Felt Tiles
    £290
  • Black Felt Tiles
    £296
  • Grey Felt Tiles
    £296
  • Green Felt Tiles
    £296
  • Black Felt Tiles
    £347
  • Green Felt Tiles
    £347
  • Grey Felt Tiles
    £347
  • Black Felt Tiles
    £362
  • Green Felt Tiles
    £362
  • Grey Felt Tiles
    £362
  • Black Felt Tiles
    £395
  • Green Felt Tiles
    £395
  • Grey Felt Tiles
    £395
  • Black Felt Tiles
    £422
  • Green Felt Tiles
    £422
  • Grey Felt Tiles
    £422
  • Black Felt Tiles
    £492
  • Green Felt Tiles
    £492
  • Grey Felt Tiles
    £492
  • Rubber Roof
    £1,068
  • Rubber Roof
    £1,205
  • Rubber Roof
    £1,244
  • Rubber Roof
    £1,245
  • Rubber Roof
    £1,422
  • Rubber Roof
    £1,505
  • Rubber Roof
    £1,526
  • Rubber Roof
    £1,779

8 Choose your paint colour

 Details

X

  • Doormouse

    Doormouse Paint

  • Doulting Stone

    Doulting Stone Paint

  • Foxwhelp Red

    Foxwhelp Red Paint

  • Goblin Blue

    Goblin Blue Paint

  • Moreland Green

    Moreland Green Paint

  • Rock Rose

    Rock Rose Paint

  • Sedge Green

    Sedge Green Paint

  • None
    £0
  • None
    £0
  • None
    £0
  • None
    £0
  • None
    £0
  • Doormouse Grey
    £163
  • Doulting Stone
    £163
  • Foxwhelp Red
    £163
  • Goblin Blue
    £163
  • Moorland Green
    £163
  • Sedge Green
    £163
  • Doormouse Grey
    £188
  • Doulting Stone
    £188
  • Foxwhelp Red
    £188
  • Moorland Green
    £188
  • Sedge Green
    £188
  • Goblin Blue
    £188
  • Doormouse Grey
    £227
  • Goblin Blue
    £227
  • Foxwhelp Red
    £227
  • Doulting Stone
    £227
  • Moorland Green
    £227
  • Sedge Green
    £227
  • Doormouse Grey
    £231
  • Doulting Stone
    £231
  • Foxwhelp Red
    £231
  • Moorland Green
    £231
  • Goblin Blue
    £231
  • Sedge Green
    £231
  • Doormouse Grey
    £246
  • Goblin Blue
    £246
  • Foxwhelp Red
    £246
  • Moorland Green
    £246
  • Doulting Stone
    £246
  • Sedge Green
    £246

9 Choose your colour trim

 Details

X

  • Swan White

    Swan White Trim Paint

  • Chantry Cream

    Chantry Cream Trim Paint

  • None
    £0
  • Swan White
    £63
  • Chantry Cream
    £63

£0

  • Size, Wall Thickness, Window Fixings, Panel and Windows, Floor, Roof Cover, Paint Colour, Colour TrimPlease choose an option.

Available for delivery in 5-10 working days.

Disclaimer : Painted buildings are for illustration purposes only. All buildings are in their standard or pressure treated colour upon delivery. A distance of 1m must be kept between the boundary and your building to allow access for annual treatment and to comply with the anti-rot guarantee*.

PARTITION WALL

Alpine Plain Side

High quality materials

We only use the very best materials for our garden buildings.

15 Year anti rot guarantee*

Peace of mind that your building will stand proud for years.

Longer lasting

Our buildings are designed to last.

Thicker and doubled up framing

27mm x 44mm panel framing – thicker than standard. Key supports are doubled up to 54mm for extra support.

11mm and 16mm Shiplap options available

Choose between 11mm and 16mm shiplap.

Extra high ridge and eaves height

Extra Tall Building

Partition wall options available

Divide your building for an extra room.

Double summerhouse doors

Ease access

Top hung opening windows as standard

Top hung opening windows as standard

Alpine roof style with an overhang

Roof Style with overhang

Fully boarded tongue and groove roof

Comes as standard

3 tongue and groove floor thicknesses available

Pressure treated runners with multiple floor thicknesses available

Our signature mineral felt is included as standard

Protection from the elements

All weather protection. Upgrade to shingles or rubber roof

Our signature mineral felt is included as standard

Pre-assebled panels that fit through your door

Pre-assembled panels that fit through your door

All fixings and stage by stage instructions included

Simple assembly for a quick and easy build.

Select options
SCROLL UP TO SEE YOUR BUILDING
  • Size
    Please Select..
  • Wall Thickness
    Please Select..
  • Window Fixings
    Please Select..
  • Panel and Windows
    Please Select..
  • Floor
    Please Select..
  • Roof Cover
    Please Select..
  • Paint Colour
    Please Select..
  • Colour Trim
    Please Select..
        
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PRICE

Delivery from Tue 24 Jun*
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