Insulated PVC Log Cabins

16x13 Lantera with uPVC Insulated Log Cabin (62mm)

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

The 5m x 4m (W16' x D12'6 approx) (62mm thick) Insulated Lantera Log Cabin with uPVC doors & windows & double-glazing.

Our Warmalog Log Cabin stands out from the rest of the competition due to its far superior specification. The W5.0m x D4.0m Lantera Log Cabin is delivered with manufactured logs made from 62mm sandwiched polyisocyanurate and slow-grown spruce. What's more, the log cabin comes supplied with long-lasting uPVC windows which can be in either anthracite grey or white. Your choice! Get the look you desire. Once you have easily constructed your cabin on the pressure-treated bearers, which come at no extra cost unlike our competitors, it will have the same thermal efficiency/U-Value as a cabin with 140mm wall thickness. The tall, double French doors and large double-glazed windows allow in plenty of fresh air and sunshine while the domestic hinges and four-point locking system let you keep bad weather, and unwanted visitors, at bay.

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

Regular Price £14,170.00 Special Price £7,459.00

Technical specs (Approx Dimensions)

Internal Eaves Height (C): 2.16m (7' 1") External Depth (B): 3.80m (12' 5"), External Width (A): 4.80m (15' 8"), Ridge Height (D): 2.47m (8' 1")

Please Note: All sizes quoted are nominal

External Width: 4.80m (15' 8")

External Depth: 3.80m (12' 5")

Internal Width: 4.54m (14' 10")

Internal Depth: 3.55m (11' 7")

Internal Area (m2): 16.08m2

Ridge Height: 2.47m (8' 1")

Internal Eaves Height: 2.16m (7' 1")

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

Standard Roof Covering: Polyester Reinforced Bitumen Felt Included

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

Covering Options: Felt, Shingles or EPDM

Wall U-Value (W/m2k): 62mm Insulated Log (equivalent to 140mm thick U-Value)

Wall Thicknesses Available: 62mm Walls: 100% Slow-Grown Spruce

Building Style: Interlocking Tongue & Groove Logs

Floor Bearers: Pressure Treated

Door Style: uPVC Double Glazed French Doors

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 uPVC Double Glazed Window

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

uPVC Colour: Choice of White or Anthracite Grey

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.


We can significantly undercut competitors offering uPVC options as we are a large DIY window and door manufacturer. We do not buy windows and doors from another company therefore we do not need to markup our prices and transfer the cost to our customers. Providing you with great value!

Key Features

  • uPVC Windows and Doors
  • 50mm thick insulated floor. Strong and sturdy
  • 60mm thick insulated roof. Strong and sturdy
  • 62mm thick insulated walls. Strong and robust
  • Polyisocyanurate insulation
  • 10 Year guarantee on pressure treated floor bearers
  • Adjustable storm braces included. Protect your cabin
  • Secure, industry leading multi-point locking systems
  • Made from Spruce, NOT cheap Pine. Built to last!
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Customise Your Order
Upgrade with the following options to the standard specification above.
  • White uPVC
  • Anthracite uPVC + £470.00
  • Felt Lap Adhesive + £10.00
  • Premium Rapid Grid™ + £500.00
  • Guttering With Water Butt + £150.00
  • Guttering Without Water Butt + £110.00
  • Log Bar + £330.00
  • Cabin Corner Bar + £450.00
  • Fattass Home Bar + £600.00
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