Log Cabins

16x10 Severn uPVC Insulated Log Cabin (62mm)

For more unique features, take a look at our specifications tab.

The 5m x 3m (16' x 10' approx) Premiumplus (62mm thick) equivalent to 140mm, Severn Insulated Log Cabin with double-glazing.

Our unique Warmalog® cabins have a specification far better than some competitors. The W5m x D3m Severn insulated log cabin gives you all the advantages of a standard fully insulated cabin, but is far easier and quicker to construct. Our new and innovative logs, which come pre-made into a 62mm sandwich of timber and polyurethane offer the equivalent U-value of a 140mm wall thickness. The Severn log cabin has a secure 4-point locking system, larger purlins for extra roof strength, wide opening, tall walkthrough height French double doors, and large windows with unique Dunster House domestic hinges and multi-point locking. Unlike some competitors, our thick insulated floor and pressure treated bearers are included in the price. All this on top of the premium features of spruce timber, toughened glass and high eaves.

Customise your DunsterHouse log cabin by adding extra doors, windows, insulation and a choice of roofing options below.

Regular Price £6,500.00 Special Price £5,850.00

Technical specs (Approx Dimensions)

Internal Eaves Height (C): 2.02m (6' 7"), External Depth (B): 3.00m (9' 10"), External Width (A): 4.80m (15' 8"), Ridge Height (D): 2.45m (8' 0")

Please Note: All sizes quoted are nominal

External Width: 4.80m (15' 8")

External Depth: 3.00m (9' 10")

Internal Width: 4.54m (14' 10")

Internal Depth: 2.74m (8' 11")

Internal Area (m2): 12.41m2

Ridge Height: 2.49m (8' 2")

Internal Eaves Height: 2.10m (6' 10")

Insulated Roof Thickness: 60mm. Comprising a sandwich of MFP board, insulation, and tongue and groove timber.

Standard Roof Covering: Polyester Reinforced Bitumen Felt Included

Roof Covering Upgrades: Upgrade to our bitumen shingles, available in black and green rectangular or black hexagonal.

Wall U-Value (W/m2k): 0.69 W/m2K

Wall Thicknesses Available: 62mm Insulated Log (equivalent to 140mm thick U-Value)

Building Style: Interlocking Tongue & Groove Logs

Insulated Floor Thickness: 50mm. Comprised of 30mm of insulation sandwiched between two 10mm MFP boards.

Door Style: uPVC Double Glazed French Doors

uPVC Colours: Choice of White or Anthracite Grey

Locking System: Industry Leading 4 Point Lock - 2 Cams, Latch & Hook Bolt

Door Height (including frame): 2.06m (6' 9")

Door Height (Walkthrough Height): 1.69m (5' 6")

Door Width (Walkthrough Width): 1.42m (4' 7")

Windows: 2, Opening

Window Locking System: Multi Point with Mushroom Headed Espagnolettes

Window Opening Size: 0.66m x 1.08m (2' 1" x 3' 6")

Glazing Material: 28mm Double Glazed, Toughened Glass

Ventilation: 2 Plastic Vents Included

Adjustable Storm Braces: Included

Assembly fixings & instructions: All included

Assembly Time: 1 - 2 Days This time is an approximation, based on two people building the basic product with no added extras. Assembly time may vary with additional items such as roof shingles, or external circumstances like the weather.


Our Severn log cabins include many features which you'll struggle to find anywhere else! From a tall walkthrough height of 6'2" and high internal eaves to wide opening French doors. If that's not enough, we also include an industry-leading 4-point locking system and additional shootbolt locking.

Let's not forget the pressure treated floor bearers with a 10-year guarantee. Or, the thick 19mm roof and floorboards which are included as standard. Not an optional extra like some competitors. Did we mention the 4mm toughened glass yet? We don't use styrene, Perspex or weak 3mm horticultural glass.

The Avon range comes in the following sizes:

  • 16x8
  • 16x10
  • 16x13
  • 16x16
  • 16x19
  • 21x10 (with sidestore)
  • 21x17 (with sidestore)

Selected products in the severn range also come in 28mm, 45, and 62mm insulated thick walls.

Check out the features of the PremiumPlus range.

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