A diagram showing recommended minimum spacing between houses to allow winter sun to enter ground floor windows. Single storey houses should be at least 6 metres apart and double storey houses should be at least 11 metres apart.

A diagram showing recommended minimum spacing between houses to allow winter sun to enter ground floor windows. Single storey houses should be at least 6 metres apart and double storey houses should be at least 11 metres apart.

House floor plan has bedrooms, bathroom and laundry on western side of house, kitchen in the middle of the house with open plan dining area on eastern side. Kitchen and dining both open onto large covered northern patio. Lots of windows on the eastern side allow inflow of cooling summer breezes.

House floor plan has bedrooms, bathroom and laundry on western side of house, kitchen in the middle of the house with open plan dining area on eastern side. Kitchen and dining both open onto large covered northern patio. Lots of windows on the eastern side allow inflow of cooling summer breezes.

To calculate the position of the midday sun at equinox, subtract latitude from 90 degrees.<br /> To calculate the position of the midday sun at summer solstice, add 23.5 to the equinox position.<br /> To calculate the position of the midday sun at winter solstice, subtract 23.5 from the equinox position.<br /> North of the tropic of Capricorn, the summer solstice midday sun position is slightly south of vertical.

To calculate the position of the midday sun at equinox, subtract latitude from 90 degrees.<br /> To calculate the position of the midday sun at summer solstice, add 23.5 to the equinox position.<br /> To calculate the position of the midday sun at winter solstice, subtract 23.5 from the equinox position.<br /> North of the tropic of Capricorn, the summer solstice midday sun position is slightly south of vertical.

Two versions of the same house on a residential site. In the first version, there is no vegetation around the house and the breeze flows past the house.<br /> In the second version, shrubbery has been placed in the path of the breeze so that the breeze is diverted into the house windows.

Two versions of the same house on a residential site. In the first version, there is no vegetation around the house and the breeze flows past the house.<br /> In the second version, shrubbery has been placed in the path of the breeze so that the breeze is diverted into the house windows.

The short edge of seven rectangular sites face onto a cul-de-sac, with the road entry from the south. Ideal house siting is shown for each of the rectangular sites so that living areas are on the north side of each house, which are angled so that the north face of the house is not more than 30 degrees away from north.<br /> Houses on eastern and western sites are wide and square to the site.<br /> The house on the northern site is narrow and deep and oriented square to the site.<br /> Houses…

The short edge of seven rectangular sites face onto a cul-de-sac, with the road entry from the south. Ideal house siting is shown for each of the rectangular sites so that living areas are on the north side of each house, which are angled so that the north face of the house is not more than 30 degrees away from north.<br /> Houses on eastern and western sites are wide and square to the site.<br /> The house on the northern site is narrow and deep and oriented square to the site.<br /> Houses…

The short edge of eight rectangular sites face onto a circle in imitation of a cul-de-sac. Ideal house siting is shown for each of the rectangular sites so that living areas are on the north side of each house, which are angled so that the north face of the house is not more than 30 degrees away from north.<br /> Houses on eastern and western sites are wide and square to the site.<br /> Houses on northern and southern sites are narrow and deep and oriented square to the site.<br /> Houses on…

The short edge of eight rectangular sites face onto a circle in imitation of a cul-de-sac. Ideal house siting is shown for each of the rectangular sites so that living areas are on the north side of each house, which are angled so that the north face of the house is not more than 30 degrees away from north.<br /> Houses on eastern and western sites are wide and square to the site.<br /> Houses on northern and southern sites are narrow and deep and oriented square to the site.<br /> Houses on…

The floorplan of the house is not a regular rectangle - instead it is a series of offset rectangular areas for different zones of the house allowing breezes to enter through windows in a variety of faces and corners. A courtyard with pergola is partially framed by these offset corners.

The floorplan of the house is not a regular rectangle - instead it is a series of offset rectangular areas for different zones of the house allowing breezes to enter through windows in a variety of faces and corners. A courtyard with pergola is partially framed by these offset corners.

Summer sun is high in the sky and eaves on a house prevent direct sunlight from entering windows. Winter sun is low and can pass under the eaves to enter windows.<br /> North-facing walls and windows receive more solar radiation in winter than in summer.

Summer sun is high in the sky and eaves on a house prevent direct sunlight from entering windows. Winter sun is low and can pass under the eaves to enter windows.<br /> North-facing walls and windows receive more solar radiation in winter than in summer.

A house faces north with a deciduous tree in the northern yard so that winter sunlight can reach solar panels on the roof, front windows and a clothes line in the front yard.

A house faces north with a deciduous tree in the northern yard so that winter sunlight can reach solar panels on the roof, front windows and a clothes line in the front yard.

In summer, the sun's arc through the sky is close to a vertical plane casting small shadows. In winter, the sun's arc is lower in the sky, casting longer shadows.

In summer, the sun's arc through the sky is close to a vertical plane casting small shadows. In winter, the sun's arc is lower in the sky, casting longer shadows.

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