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Schmidt-Lademann House
Schmidt-lademann-house south day 1959 (cropped).jpg
General information
Type Residence
Architectural style Modernist
Address 22 Lifford Road
Town or city Floreat, Western Australia
Country Australia
Coordinates 31°56′03″S 115°46′53″E / 31.9342°S 115.7815°E / -31.9342; 115.7815
Completed 1958
Grounds 906 ㎡
Design and construction
Architect Iwan Iwanoff

The Schmidt-Lademann House is a residential dwelling built 1958 in Floreat, a suburb of Perth, Western Australia. It is designed by Bulgarian-born architect Iwan Iwanoff and is an iconic example of mid-century modern architecture in Australia.


Siegfried Schmidt-Lademann became consul in Perth for Germany in 1957. He decided to build a residence for the consul in Perth which would be suitable for private living and for formal receptions. The house was the first independent design by the architect Iwan Iwanoff and was built in 1958. It became one of Iwanoff's notable projects.

In 1959 the German consulate in Perth was closed and the house had to be sold.

In contrast to the later more ornamented and playful designs of Iwanoff with some resemblance to Brutalist architecture, the light and clear design of this house is inspired by the Modernist architecture and Bauhaus ideas which Iwanoff was introduced to during his studies and work with Emil Freymuth in Munich, Germany. Characteristic features of this partially single storey, partially double storey house are apart from the distinctive soaring skillion roof line the blending of natural materials granite, timber, copper. It features jarrah ceilings, blackbutt parquetry floors, wandoo staircase, maple cupboards, Corian benchtops, granite feature walls, a copper-surrounded fireplace. The jarrah framed window front on the south side opened a wide view on the Roscommon Reserve directly opposite. Overall the house shows Iwanoff's tendency to complex composition and with the wall at the southwest corner built from granite boulders Iwanoff already hints his interest in massive structures. The granite wall extends into the interior as a fireplace in the living area and a barbecue pit on the terrace in the west.

Schmidt-Lademann house floor plan
Floor plan 1958.

The design of 1958 included a living area on two levels separated by 2 steps into a dining area at the lower level and a sitting area with fireplace on the higher level, 3 bedrooms, a study on the gallery, a kitchen and 1.5 bathrooms.

Schmidt-lademann-house cost estimate 1958
Original T&M estimate from 1958. The total of £6328 (Australian pound) equates to approximately 197,000 AUD purchasing power in 2018.


In 2003 the house received an extension filling out the previous "L" shape on the northwest side with a two-storey block adding an indoor/outdoor dining area on the ground floor and a bedroom and bathroom on the upper floor. This addition merges very well with the original design especially where it repeats the slanted roof.

The residence is listed in the Town of Cambridge Local Government Inventory of Heritage Places as place no. 39.

It has changed ownership several times and increased in value each time: June 1989 $255,000, February 1998 $440,000, June 2012 $2,300,000.


  • Commons-logo.svgPicture gallery, Schmidt-Lademann House at Wikimedia Commons

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