Energy-efficient eco-house with pitched roof.

The KOSHAUS-132 is thoughtfully designed for growing families, offering a perfect balance of space, comfort, and flexibility. Depending on the chosen layout, the usable living area ranges from 125.80 to 132 m², providing ample room for everyday life and personal retreats. A standout feature is the 28.14 m² veranda, an ideal space for family gatherings, entertaining guests, and relaxing outdoors during the warmer months. Inside, the home accommodates up to four bedrooms, a spacious living room, a kitchen layout tailored to your preferences, and up to four bathrooms. The functional floor plan also includes a welcoming entrance hall, a storage room, and a dedicated utility closet, with additional space readily available for a private sauna, a home office, or walk-in wardrobes. Every aspect of the project can be customized to your vision: we offer bespoke floor plans, a selection of premium façade finishes, personalized interior and engineering designs, and full Smart Home integration to ensure your new home perfectly matches your lifestyle.

KOSHAUS 132

PRICE:

*​Cost excluding VAT

PHOTOS:

Built by KOSHAUS-132

The complete set of a typical house.

ENERGY EFFICIENCY:

Roof: 457 mm = 8.30 m2 K/W, U = 0.1255 
Walls: 351 mm = 6.39 m2 K/W, U = 0.1565 
Floor: 385 mm = 5.98 m2 K/W, U = 0.1672
Windows: U = 0.80

Energy Efficiency: KfW 40 Standard
Base rating: House meets KfW 40 requirements — ultra-low energy consumption, minimal heating costs.
 
🔹 Upgrade to KfW 40 Plus (optional):
Achievable with integrated systems:
  • Air-source or ground-source heat pump
  • Mechanical ventilation with heat recovery (MVHR)
  • Photovoltaic (PV) system
  • Smart energy management
 

1. ROOF PANEL 457 mm (WARM CONTOUR):

1.1 Moisture-resistant plywood, 21 mm
1.2 Crate, 23 mm
1.3 Counter-lattice, 50 mm
1.4 Diffusion membrane, 1 mm
1.5 Softwood fiberboard, 25 mm

1.6 Wood fiber insulation, 300 mm
1.7 Frame made of LVL timber, 300 mm
1.8 Vapor barrier, 1 mm
1.9 Oriented strand board, 18 mm
1.10 Frame made of timber, 100 mm
1.11 Wood fiber insulation, 100 mm
1.12 Gypsum particle board, 12 mm

2. EXTERIOR WALL 351 mm (WARM CONTOUR):

2.1 Crate, 23 mm
2.2 Counter-lattice, 50 mm
2.3 Diffusion membrane, 1 mm
2.4 Softwood fiberboard, 25 mm
2.5 Frame made of kiln-dried planed timber, 200 mm
2.6 Wood fiber
insulation, 200 mm
2.7 Vapor barrier, 1 mm
2.8 Oriented strand board, 12 mm
2.9 Frame made of timber, 100 mm
2.10 Wood fiber insulation, 100 mm
2.11 Gypsum particle board, 12 mm

3. INTERIOR WALL:

3.1 Gypsum particle board, 12 mm
3.2 Frame made of kiln-dried planed timber
3.3 Wood fiber insulation
3.4 Gypsum particle board, 12 mm

4. FLOOR PANEL 335 mm:

4.1 Moisture-resistant plywood, 21 mm
4.2 Vapor barrier, 1 mm
4.3 Frame made of LVL timber, 300 mm
4.4 Mineral wool insulation, 300 mm
4.5 Diffusion membrane, 1 mm
4.6 Cement-bonded particle board, 12 mm
4.7 Special treated beam, 50 mm

🪟 WINDOWS AND ENTRANCE DOORS:

Wooden, triple-glazed insulation, 44 mm / 50 mm.

  • Wooden windows
  • Triple-glazed windows filled with Argon – 44 mm / 50 mm
  • Insulating glass break formula: 4ix16Arx4x16Arx4i / 4ix20Arx4x18Arx4i
  • Uw ≤ 0.8 W/m²·K
  • Factory painted, graphite gray RAL 7024
  • Concealed hinges Siegenia Titin AF
  • Swingout fittings with micro-ventilation
  • The doors have reinforced hinges and a mortise lock
  • The entrance door is burglar resistance class RC2

🏠 EXTERNAL FINISHING:

  • Roof – clickfold made of galvanized steel with polymer coating (service life 50 years)
  • Snow holders – metal
  • Facade – wood / fiber cement / clickfold made of galvanized steel with polymer coating
  • External window rows and edges – wood
  • Windowsills – metal
  • Drainage system – metal
  • Work – house installation
  • Work – exterior finishing

🌿 VERANDA & PORCH:

  • Structure from wood
  • Full finishing
  • Glass fence
  • 3-step staircase

🪨 FOUNDATION:

  • Installation of the foundation at the facility
  • Piles with a grillage

💶 ADDITIONAL EXPENSES:

  • Delivery from the seller’s warehouse to the facility from Hamburg
  • Logistics to the installation site and accommodation for installers
  • Rent a 25-ton crane for installation work
ELECTRICS:
  • Wiring according to Euro standards (NYM cable, ABB circuit breakers)
  • Sockets and switches (ABB series)
  • Distribution board with RCD, meter, and surge protection
  • Option: Smart home preparation (KNX-ready, cable ducts)
 
💧 WATER SUPPLY & SEWEGE:
  • Piping with cross-linked polyethylene pipes
  • Manifold system with ball valves and drainage for each branch
  • Connection to central mains / preparation for local station (septic tank)
  • Sound insulation for risers and horizontal sections
 
🚿 PLUMBING & EQUIPMENT:
  • Complete bathroom suite for 1 bathroom: toilet, sink, shower cabin / bathtub, mixers (Brand: Grohe / Hansgrohe)
  • Bathroom furniture, backlit mirror, electric towel radiator
  • Connections for washing machine and dishwasher
 
🔥 HEATING & UNDERFLOOR HEATING:
  • Water underfloor heating throughout all living areas (pipe spacing 150 mm), dry screed 50 mm
  • Distribution manifold with thermostatic heads and servo drives
  • “Air-to-water” heat pump, capacity 6–9 kW
  • Buffer tank 200–300 L, safety group, automation
 
🌬️ VENTILATION:
  • Supply air valves with sound insulation and flow control (standard)
  • Option: Supply and exhaust unit with heat recovery (Efficiency ≥ 85%) +€12,000 – 18,000
 
🪵 INTERIOR FINISHING – FLOORS:
  • 3-layer engineered parquet (oak / ash, thickness 16 mm, click-lock system) in living rooms
  • Porcelain stoneware / ceramic tiles in bathrooms and hallway
 
🎨 INTERIOR FINISHING – WALLS & CEILING:
  • Solid wood paneling (spruce) + painting
  • Drywall (Knauf) with putty for painting + painting
 
🚪 DOORS & HARDWARE:
  • Solid wood interior doors, including frame and architraves
  • Handles, hinges, locks — in a uniform design from the catalog, heavy-duty hardware, Italian hardware

     

⚙️ OPTIONAL – ACCORDING TO AN INDIVIDUAL PROJECT:

  • Kitchen; 
  • Furniture.

PLAN:

The principle of having a machine build another machine lies at the heart of modern manufacturing.

FACADE:

The principle of having a machine build another machine lies at the heart of modern manufacturing.

Type-1: roof metal profile, facade metal profile.

Type-2: roof click fold, facade click fold.

Type-3: the roof is a click fold, the facade is a tree horizontally.

Type-4: the roof is a click fold, the facade is a tree vertically.

Type-5: roof palatinate, facade wood mix.

Type-6: roof metal profile, facade metal profile 1/2 + wood horizontally 1/2.

Type-7: roof metal profile, facade metal profile 1/2 + wood vertically 1/2.

Type-8: roof metal profile, facade metal profile 1/2 + wood vertically 1/2.

Type-9: roof click fold, facade click fold 1/2 + tree horizontally 1/2.

Type-10: roof click fold, facade click fold 1/2 + tree vertically 1/2.

Type-11: roof click fold, facade click fold 1/2 + wood mix 1/2.

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