Family house study · South Moravia

Walnut House

One storey, a covered terrace and a garden with an old walnut tree and a pool.

The house is imaginary. Its sunlight, heat and costs are calculated for real.

3D tour

Keep scrolling and the day moves with you

Morning

The sun rises at 4:48 in the north-east, casting long shadows across the garden.

Noon

The sun is highest at 12:55, 64° above the horizon; the 0.8 m overhang shades most of the south-facing glass.

Evening

Low sun slants under the terrace roof; turn the louvres and the shade comes back.

After sunset

The sun sets at 21:03. The lights come on inside.

Try another day

21 June8:00

The house

One level, the garden on the doorstep

166.4 m²

floor area, excluding the garage

5+kk

layout: rooms + kitchenette

1,179 m²

plot

23.5 × 12.3 m

overall dimensions

Areas, dimensions and layout, as the floor plan draws them.

A single-storey house for a family of four. The garage, the entrance and the study face the street. Sliding glass walls open the living room with the kitchen and both children's rooms south to the garden; the main bedroom faces east. Pivoting timber louvres shade the covered corner terrace from the west, with the pool in front.

Covered terrace

35.9 m² of terrace, all of it under the roof. Pivoting timber louvres shield the terrace from the low sun.

Pool

28.0 m² of water, 1.4 m deep.

Hipped roof

22° pitch, 0.8 m eaves, ridge 5.8 m above the floor. 36 panels, 15.5 kWp in all.

Entrance

A porch on the north side keeps the rain off the front door.

Garage and drive

A 36.9 m² garage, with the drive running out to the gate.

Walk round it in 3D

Layout

Day, night and service on one level

Colours mark the zones of the house. Areas are net, walls excluded.

Day zone77.0 m²
Night zone74.7 m²
Service zone51.6 m²
Terrace35.9 m²

The full floor plan

Light

Same house, another hour

Drag the divider: 17:45 on the left, 21:15 on the right.

The covered terrace and the glass wall of the living room beyond the pool in raking afternoon sun.

The lit terrace and living room reflected in the pool, a blue sky after sunset above the hipped roof.

Afternoon 17:45After sunset 21:15

Energy

Heat from the pump, power from the roof

36 panels on the roof (15.5 kWp) and a heat pump. Try your own assumptions on the Energy page.

16.2 MWh

solar yield a year

3.9 kW

design heat load at −12 °C

24 kWh/m²

space heating a year

83 %

of the power used comes from the roof, with a 10 kWh battery

Try your own numbers

How it was made

One model, the whole house

The house is one data model: wall axes, rooms, windows, roof and plot. The floor plan, the 3D model, the renders and the sun, energy and budget figures all come from it. Move a wall and everything follows.