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Contemporary pitched roof

Harmonia3-bedroom 1.5-story contemporary house plan

A family home under one hipped roof, with rooms in the eaves

Design area as published
150 m²1,615 ft²
Bedrooms
3
Bathrooms
2 + 1 WC
Levels
1.5 levels (attic)
Roof
Hipped
Units

The design

White walls under dark flat tiles, with anthracite panels framing each window like a picture of the garden.

Harmonia starts from a familiar shape and gives it a contemporary edge. A hipped roof in dark flat tiles settles over white rendered walls, and anthracite panels frame the windows, so each opening reads as a deliberate view of the garden.

The ground floor, 90 m² (969 ft²), is where the day happens. Living, dining and kitchen share one open room that steps straight out to a covered terrace, so breakfast, homework and summer evenings move outdoors with no effort. A bedroom with its own bathroom sits on the same level: one floor for parents in later years, or a room for guests who stay a while. A guest WC and a mechanical room complete the plan.

Upstairs, the 60 m² (646 ft²) attic belongs to the family: two bedrooms, a bathroom and a study that can become a fourth bedroom when it is needed. Dormers and roof windows bring daylight deep under the roof, so the rooms feel sheltered rather than tucked away.

Outside, a walled garden keeps the terrace private, and two open parking spaces sit by the entrance. The renderings place the house on a narrow suburban lot with a side driveway.

Features

  • 150 m² (1,615 ft²) over a ground floor and an attic level
  • Ground-floor bedroom with en-suite bathroom, suited to parents or guests
  • Open-plan living, dining and kitchen opening to a covered terrace
  • Attic with two bedrooms, a bathroom and a study that can become a fourth bedroom
  • Dormers and roof windows bringing daylight into the attic rooms
  • Walled private garden and two open parking spaces

As designed

Harmonia: materials and heating as designed
FacadeWhite render; dark anthracite accent panels; dark flat roof tiles; dark window frames
HeatingUnderfloor heating with heat-recovery ventilation

Designed by CAD ART studio

A family design studio in Paraćin, Serbia, founded by Boban Milivojević. More than 500 projects across Serbia, from family homes and villas to apartment buildings, on projects of up to 50,000 m² (about 538,000 ft²).

Floor plans

3D interiors · 360° tours

See the Harmonia interiors in 3D

Walk through the Harmonia rooms before you build. CAD ART studio makes photoreal still views and 360° tours straight from this design's drawings, in the finishes, furniture and daylight you choose, so you only send a few pictures you like.

Most people start with the open living area and the primary bedroom. Two rounds of changes are included, and you get a fixed quote within 2 business days, before any work starts.

Can't picture the rooms? Start with furnished 3D floor plans of Harmonia.

3D interior prices

Photoreal still views
from $390 per view
360° tour
from $590 per room
Furnished 3D floor plan
from $190 per level
Interior preview: 3 views + a 2-room tour3 × $390 + 2 × $590, no extras
from $2,350

USD, before tax. Fixed quote within 2 business days, before any work starts.

Choose your set

Harmonia is in the Family size band: 121–200 m² (1,293–2,153 ft²). Every set is drawn in metric and priced by size band.

  • Study Set

    For evaluating a design with your local professional before you commit.

    $199USD, before tax

    PDF · No build license

    Typically includes

    • Exterior renderings, plus interior renderings where they exist, unmodified
    • Floor plan of each level with room names, room areas and overall dimensions (metric)
    • Area table in m² and ft²
    • Elevations, a section and a roof plan, where drawn for the design
    • One-page design summary: area, levels, roof type and structure as designed
    • Marked "Study set, not for construction"
    • 100% of the price credited toward this design's Complete or Studio Set within 12 months

    Not included: A license to build; DWG files.

  • Complete Set

    The full drawing set and a license to build the design once.

    $1,195USD, before tax

    PDF and DWG · Single-build license

    Typically includes

    • Everything in the Study Set, without the study mark
    • Dimensioned floor plans, foundation layout, roof plan, elevations and sections
    • Door and window schedule
    • Typical wall, floor and roof build-ups (Serbian and EU practice)
    • Area schedule in m² and ft², and general notes
    • English title block
    • PDF and DWG files, metric
    • License to build the design once

    Not included: Structural design and calculations; Plumbing, electrical and HVAC design; Energy calculations for your location; Site plan and adaptation to local rules, which a professional licensed where you build provides.

  • Studio Set

    The Complete Set, with CAD ART studio supporting your local professional.

    $2,295USD, before tax

    PDF and DWG · Single-build license

    Typically includes

    • Everything in the Complete Set
    • One round of non-structural modifications by CAD ART studio before handover (layout, openings, finishes), up to 12 hours
    • Q&A for your local licensed professional by email or video, up to 6 hours over 12 months
    • Mirrored set on request

    Not included: Adaptation of the design to local rules, which stays with your local professional.

The exact sheet list for this design is confirmed in writing with your quote, before you pay.

Coordinated by Nađa Milivojević from the UK. About Nađa

Budgeting? See what a house plan really costs and all prices.

Add-ons for Harmonia: additional build license $299 · mirrored set $190 (included in the Studio Set) · plan modifications from $490 · 3D interior renderings from $390 per view · 360° virtual tour from $590 per room · furnished 3D floor plan from $190 per level · developer license (fixed quote within 2 business days). Read the plan license and the refund policy.

Questions about Harmonia

How are the levels and bedrooms arranged in Harmonia?

The ground floor, 90 m² (969 ft²), holds the open living area, a bedroom with an en-suite bathroom, a guest WC and a mechanical room. The attic, 60 m² (646 ft²), has two bedrooms, a bathroom and a study that can serve as a fourth bedroom.

Does Harmonia have a garage?

No. The design has two open parking spaces beside the entrance. Adding a garage would be a change to the design, quoted with your order.

What kind of lot does Harmonia suit?

The design gives no lot dimensions. The renderings show a narrow walled suburban lot with a side driveway, and your local professional confirms setbacks and orientation for your site.

How is Harmonia heated?

Harmonia is designed with underfloor heating and heat-recovery ventilation. Your local professional chooses and sizes the system for your climate and your local energy rules.

Will the drawings need adapting where I build?

Yes. The drawings are metric and follow Serbian and EU practice, so a professional licensed where you build adapts the structure, roof pitch and attic headroom to your site, climate and local rules before construction.

Can Harmonia be changed or mirrored?

Yes. The Studio Set includes one round of non-structural changes by CAD ART studio before handover, up to 12 hours, such as turning the study into a fourth bedroom. Larger changes are quoted as custom work. A mirrored set is available on request.

HarmoniaSets from $199

Choose your set