3m x 4m Avon® 400

Planing Rules

Photographs below may show optional extras, see specification

45mm Walls Basic Log Cabin Office
List: £4003.14 £2644
(Inc.  vat)
130mm TripleTherm<sup>®</sup> Walls Log Cabin Office
List: £5249.53 £3574
(Inc.  vat)


  • FREE delivery within Mainland UK, some exceptions apply
  • Typically delivered in 2-6 weeks
  • This Cabin is ONLY available from Dunster House.
  • Beware cheap imitations

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Luxury pack - £481

Luxury pack
  • Guttering
  • Double Door Shutters
  • Window Shutters x 2
Storage pack - £409

Storage pack
  • Dividing wall & Single Solid Door
call us today on 01234 272 445

Avon 400    Log Cabin plan layouts

Don’t like Mondays? Find somewhere fetching to do the filing with the Avon® 400 Log Cabin Office. This exquisite outdoor work station inspires a booming business right there amongst the begonias with all the style, space and convenience your executive head could hope for. Let the soothing mood of real wood ease you into another day at the office and pity those rat-race runners that would give their annual rail card for such scenic views, top grade amenities and truly charming chalet venue.

The Office boasts superior roof and floor insulation plus fully double- glazed windows for storing warmth and minimising sound.

Fully opening windows, a roof light, and large French doors serve to aerate your cabin as needed, creating a corporate sanctuary that’s beautiful, bright and as fresh as the daisies it sits upon. Throw in a mug of extra strength coffee and you might even find it’s worth getting out of bed for.
(Though we won’t make any bold promises.)

Take a look at the story of how our log cabins are manufactured.


Base Recommendations:

For your Log Cabin, we recommend a RapidPad™ foundation System. This base system is designed for our products and can support the cabin on most types of ground. It also includes an insulated floor. Click here for full details


If you wish to use concrete, we recommend a solid concrete base of the cabin footprint size plus 100mm all the way round.

Standard Avon® 400 Office Specification:

external size
EXTERNAL SIZE 3m (9'10") wide x 4m (13'1") deep (approx).
external size
INTERNAL SIZE for 45mm - 2.77m (8'10") wide x 3.77m (7'7") deep (approx).
external size
INTERNAL SIZE for 130mm - 2.6m (8'6") wide x 3.6m (11'10") deep (approx).
walls
WALLS (45mm or 130mm) Tongue & Groove
floor
FLOOR 19mm Tongue & Groove floor boards for a sturdy attractive floor.
floor insulation
FLOOR INSULATION 25mm foil backed polyurethane board that sits under the floor boards.
roof
ROOF 19mm Tongue & Groove roof timbers to create a sturdy roof with attractive ceiling.
roof insulation
ROOF INSULATION made with 50mm polyurethane, goes on top of the roof boards to create a cabin with an over all roof thickness of approximately 80mm.
we don't use OSB sheet timber tongue and groove rooftongue and groove floor

 

Note: We only use tongue and groove timbers for our floor and roof not OSB sheet timber! (We only use MFP board on top of roof insulation, which will usually not be seen as it will have a roof covering over it).

internal eaves
INTERNAL EAVES 2040mm (6'8") (approx) High
canopy
CANOPY 1.1m (3'7") (approx.) deep canopy providing an element of shade and shelter from the weather.
french door
PREMIUM FRENCH DOOR - Our French doors are wider than most competitors meaning you can walk through one door with ease. Made with rebated door panels (for a more attractive appearance) and fitted with a secure lock, and sculpted Georgian bars. The French Door has a low threshold for better accessibility and less tripping! French Door is provided in 6 assembled pieces that fit together then slot into place.

french door
PREMIUMPLUS FRENCH DOORS (Optional Extra) - Our French doors are wider than most competitors meaning you can walk through one door with ease. Made with rebated door panels (for a more attractive appearance) and fitted with a secure lock, and sculpted Georgian bars. Multi-Point locking system (on the master door), and is of the same type supplied with modern domestic doors. Concealed Shoot-Bolts (on the slave door), which means the doors cannot be opened, even from the inside, until they are unlocked. The door has a low threshold for better accessibility and less tripping.



walkthrough height
FRENCH DOOR WALK THROUGH HEIGHT 1750mm 5’9” (from floor)
walkthrough height
FRENCH DOOR OVERALL FRAME HEIGHT 1870mm 6’2” (from floor)
walkthrough width
FRENCH DOOR WALKTHROUGH WIDTH 1560mm 5’1”
walkthrough width
FRENCH DOOR OVERALL FRAME WIDTH 1780mm 5’10”
window
2 PREMIUM OPENING WINDOWS - TOUGHENED GLASS DOUBLE GLAZED, not Perspex. We use glass as it is clearer and much easier to clean than clear plastic. They are also fitted with sculpted georgian bars.
window
2 PREMIUMPLUS OPENING WINDOWS (Optional Extra) - Units are fitted with 28mm Toughened Glass Double Glazing (4mm unit, 20mm space, 4mm unit), which is thicker than any other level of glazing available on the log cabin market and so more thermal efficient. PremiumPlus™ Windows are provided with a Multi-Point locking system, with mushroom headed espagnolette locks. (Please Note: Windows and Doors require on site glazing)


window
GASKETS - All windows and doors are fitted with Gaskets for improved weatherproofing.

double glazing
TOUGHENED GLASS DOUBLE GLAZED14mm sealed units are supplied for you to place in the window and doors. (onsite glazing required)
floor bearers
FLOOR BEARERS FLOOR BEARERS 70mm tall Pressure Treated floor bearers that sit underneath the log cabin to protect its foundations from damage by insects and fungal decay. Without pressure treated bearers moisture would damage the lower aspects of the cabin!
skylight
GLASS SKYLIGHT DOUBLE GLAZED For added light and ventilation. Will need to be cut into the log cabin roof in your desired position, allowing you to place it wherever best suits your requirements.
roof beams
ROOF BEAMS Heavy duty 140mm x 45mm to prevent 'sagging'.
pre cut
All wood is planed, pre-cut (with the exception of trims), and pre-notched for quick and easy construction. Click here to see how easy it is!
windows assembly
After simple assembly windows slot into place. Minor adjustments will have to be carried out on windows well within the scope of a competent DIYer.
screw
All nails and screws needed to erect your log cabin will be supplied.
testimonials approx sizes
CABIN SIZES - Please be aware that all Dimensions and Calculations are approximate figures.
compare caution

log cabin parts
click on image to enlarge
An example of how your log cabin is supplied
(photograph shows Severn Log Cabin Pack)

 

 

Optional extras:

 

PREMIUMPLUS™ DOUBLE GLAZED DOOR & WINDOW UPGRADE

 
Upgrade your existing Windows & Door to the new Double Glazed PremiumPlus™ option.
more info...
£240
(Inc.  vat)
Add to cart:

RAPIDPAD™ FOUNDATION SYSTEM INC. FLOOR INSULATION

NEW PRODUCT!
Instead of laying a concrete base, why not go for our New Rapidpads™!
more info...
£1108
(Inc.  vat)
Add to cart:

DECKING

Please Select from dropdown menu:
SALE!
Create an area of relaxation outside your Log Cabin with Decking.
more info...
List: £333 £196
(Inc.  vat)
Add to cart:

SIDESTORE™

Please Select from dropdown menu:
 
Create additional outdoor storage by attaching the Sidestore™.
more info...
List: £808.50 £526
(Inc.  vat)
Add to cart:

SIDESTORE™ TREATMENT

Please Select from dropdown menu:
 
Enhance your SideStore™ with Pine Treatment.
more info...
List: £66.07 £45
(Inc.  vat)
Add to cart:

UTILITY ROOM

 
 
Create an internal room ideal for a shower/toilet or storage.
more info...
List: £657 £414
(Inc.  vat)
Quantity:

FELT ROOF SHINGLES

Please Select from dropdown menu:
 
Weather proof your roof with attractive ' red ' felt shingles.
more info...
£213
(Inc.  vat)
Add to cart:

TREATMENTS

Please Select from dropdown menu:
 
Add some character to your Cabin with Light Oak treatment.
more info...
List: £95.43 £75
(Inc.  vat)
Add to cart:

ACCENTED TREATMENTS

Please Select from dropdown menu:
NEW PRODUCT!
Add some character to your Cabin with Blue + Cream treatment.
more info...
List: £127.50 £85
(Inc.  vat)
Add to cart:

DIVIDING WALLS

Please Select from dropdown menu:
SALE!
Add extra rooms and storage space with a Dividing Wall.
more info...
List: £640.50 £409
(Inc.  vat)
Quantity:

DIVIDING WALL UNDER APEX

Please Select from dropdown menu:
SALE!
Turn your extension into a seperate room with an under apex Dividing Wall.
more info...
List: £543 £361
(Inc.  vat)
Quantity:

MKII SOLAR AIR HEATER AND DEHUMIDIFIER

Please Select from dropdown menu:
NEW PRODUCT!
Helps reduce humidity. Bulk discounts available
more info...
£598
(Inc.  vat)
Add to cart:

CONSUMER UNIT

 
NEW PRODUCT!
Bring lights and electrics more easily into your garden building with the Consumer Unit.
more info...
List: £183.52 £125
(Inc.  vat)
Quantity:

ADDITIONAL GLASS SKYLIGHT

 
NEW PRODUCT!
Bring more light and ventilation to your Cabin with an Additional Glass Skylight.
more info...
List: £176.50 £120
(Inc.  vat)
Quantity:

FLYSCREEN

 
 
Keep those bugs at bay with this great Flyscreen for your windows.
more info...
List: £80.91 £55
(Inc.  vat)
Quantity:

CLOCK

 
NEW PRODUCT!
For the inside, or outside, the Clock is a great feature for decoration.
more info...
List: £48.44 £33
(Inc.  vat)
Quantity:

CLOCKTOWER

 
NEW PRODUCT!
You will always know what time it is with the addition of this fantastic clocktower.
more info...
List: £284.89 £194
(Inc.  vat)
Quantity:

3 FACE CLOCKTOWER

 
 
The 3 face clocktower means you will know the time from not 1, not 2 but 3 angles!
more info...
List: £374.89 £255
(Inc.  vat)
Quantity:

TOILET/SINK UNIT

Please Select from dropdown menu:
NEW PRODUCT!
This fantastic unit combines a sink and toilet in one easy to install wall section.
more info...
List: £1348.50 £899
(Inc.  vat)
Quantity:

ROOF FELT

 
 
Finish off the look of your Log Cabin with Roofing felt.
more info...
List: £117.45 £80
(Inc.  vat)
Add to cart:

GUTTERING

 
 
Help drain away and store rain water with the addition of Guttering.
more info...
List: £229.04 £156
(Inc.  vat)
Add to cart:

ADDITIONAL WINDOWS AND DOORS

Please Select from dropdown menu:
 
Get more access to your Cabin with an additional DOUBLE GLAZED TOUGHENED GLASS Single Door.
more info...
List: £336 £219
(Inc.  vat)
Quantity:

DOUBLE DOOR SHUTTERS

 
NEW PRODUCT!
Add door shutters for the doors of your Log Cabin for extra privacy.
more info...
List: £277.50 £193
(Inc.  vat)
Quantity:

WINDOW SHUTTERS

 
NEW PRODUCT!
Add some privacy to your Log Cabin with Shutters for your windows.
more info...
List: £97.50 £66
(Inc.  vat)
Quantity:

UPGRADE TO OBSCURE GLASS

 
 
Give your Cabin added privacy while still allowing light in, with Obscure Glass.
more info...
List: £97.50 £66
(Inc.  vat)
Quantity:

SOLAR ACCESSORIES

Please Select from dropdown menu:
NEW PRODUCT!
This solar light with 10 Tritronic™ LED's is the ideal background light.
more info...
List: £37.39 £25
(Inc.  vat)
Quantity:

BAR

Please Select from dropdown menu:
NEW PRODUCT!
A beautiful handcrafted log bar for use inside your home or in a log cabin. ...
more info...
List: £448.50 £349
(Inc.  vat)
Quantity:

FLOWER BOX

 
 
With the addition of Flower Boxes, you can bring more colour to your garden building.
more info...
List: £36.70 £25
(Inc.  vat)
Quantity:

SAUNAS

Please Select from dropdown menu:
 
The two walled sauna is designed to fit inside a Log...
more info...
List: £1173.09 £782.06
(Inc.  vat)
Quantity:

FURNITURE

Please Select from dropdown menu:
 
With its beautifully crafted panels and a smooth finish, the cabin corner seating unit is...
more info...
List: £268.50 £179
(Inc.  vat)
Quantity:

  Delivery and Installation Option

Please select all optional extras you desire before entering postcode to get an accurate installation and delivery price.
delivery service

Delivery Option


Please note,
Our delivery are not Sub-Contractors - they are directly employed by Dunster House Ltd, to ensure the quality of their service.

£
Including Vat    


FREE delivery within Mainland England and Wales.

installation service

Installation Option


Due to popular demand typically Installed in 7-8 weeks

Please note,
Our installers are not Sub-Contractors - they are directly employed by Dunster House Ltd, to ensure the quality of their installation.

Please click here to see what is included in installation service


£
£
Including Vat    


Phone us on 01234 272445 for installation and delivery information for this area.


 

FREE delivery within Mainland UK, some exceptions apply

Typically delivered in 2-6 weeks
List: £4003.14
£2644
(Inc.  vat)



call us today on 01234 272 445
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