SIP house design

Tiny Twin — SIP Panel Semi-Detached Home

Efficient semi-detached house with 117.7 m² total area and attic space, designed for two independent households.

117.7 m² 1 storey + attic 3 rooms garage 1 places SIP panels

About this project

The Tiny Twin is a smart duplex solution offering separate living spaces for two families on a single compact lot. With 117.7 m² total area (90.4 m² habitable), the home features three bedrooms, three bathrooms, and integrated one-car garage. The efficient floorplan fits nicely on minimum 17.8 × 13.9 m plots, perfect for urban or suburban development.

Built from structural insulated panels (SIP), this home delivers superior thermal performance and airtight construction. The ground floor (47.4 m²) includes living room, kitchen, utility room, and garage with terrace access, while the attic level (43.0 m²) accommodates two bedrooms and full bathroom suite. The 40° pitched roof with 8.1 m peak height maximizes usable loft space without wasting volume.

This rapid construction sequence significantly shortens project timelines and accelerates interior finishing. The exceptional energy efficiency—requiring minimal heating and cooling—makes this design ideal across diverse European climates while meeting all current building performance standards.

Technical Specifications

Total area
117.7 m²
Living Area
90.4 m²
Building area
84.7 m²
Cubic Volume
696 m³
Number of Floors
1 + attic
Total rooms
3
Bathrooms
3
Garage
1 places
House Type
semi-detached / townhouse
Ground-floor ceiling height
2.62 m
Attic height
1.11-2.60 m
Roof Type
Gable
Roof Pitch Angle
40 °
Height at the ridge
8.1 m
Wall Material
SIP panels
Minimum Plot Size
17.8 × 13.9 m

Floor-by-floor layout

1st floor

47.4 m²
  • 1 vestibule/entrance 4.4 m²
  • 2 hall 4.3 m²
  • 3 boiler room + bathroom 3.6 m²
  • 4 kitchen 11.6 m²
  • 5 living room 23.5 m²
  • 6 garage 18 m²
  • 7 terrace 8.3 m²

Attic

43 m²
  • 8 staircase 3.3 m²
  • 9 hall 4.6 m²
  • 10 bathroom 5.6 m²
  • 11 bedroom 11.1 m²
  • 12 bedroom 18.4 m²

House cross-section

Vertical section with height marks and roof device

Tiny Twin — SIP Panel Semi-Detached Home
Tiny Twin — SIP Panel Semi-Detached Home
Tiny Twin — SIP Panel Semi-Detached Home

Cost

Quotations and configurations are preliminary. They do not reserve a date or conclude a contract. Delivery and installation are agreed for the address.

Request a quotation

Enquire about this design

Send an enquiry about “Tiny Twin — SIP Panel Semi-Detached Home”. We will discuss scope and terms for your location.

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  • Free calculation, no obligation
  • Delivery is quoted for the order address
  • Warranty terms are specified in the offer

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Privacy policy · Quotations and configurations are preliminary. They do not reserve a date or conclude a contract. Delivery and installation are agreed for the address.