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U house / NDA

  • 01:00 - 20 February, 2009
U house / NDA
U house / NDA

U house / NDA U house / NDA U house / NDA U house / NDA +27

  • Architects

  • Location

    Montreal, QC, Canada
  • Architects

    Natalie Dionne Architecture
  • Project Year


From the architect. The U-House was designed by architect Natalie Dionne to house both the family residence and her office space. Along with her partner, who works in cinema, she drew plans and began construction in 2003. Originally, the couple bought a small industrial building and a rare vacant lot adjacent to it. The U plan was achieved by adding two additions to the original building, one at each end of the vacant lot.

The U-House exploits the idea of fluidity between interior and exterior spaces. The Ipê wood deck which is an extension of the dining room's inlaid wood floor helps to confound the boundary between inside and outside when the large accordion style door is opened. At the other end of the L shaped deck, one of the original buildings huge windows is actually a garage door that also opens up fully to seamlessly integrate the living room with the garden. For added spatial continuity and a layered effect, the wood and steel façade elements of the new additions were mapped to the interior.

Doors and windows of Cedro wood, marine plywood panels and cedar bifold shutters are all stained for uniformity and mimic the color of the brick on the original building (dating back to 1926).

A large Sunburst Honey Locust was planted the day after the foundations were poured to provide shade to the largely fenestrated south facing façade during the hot summer months. Its acid yellow foliage in early spring inspired the accent color found throughout the interior.

In summer, at night, the upstairs windows are opened and the shutters are closed. This ensures sufficient ventilation, guarantees privacy, protects from the rain, and keeps the south-facing rooms nicely cool.

Cite: "U house / NDA" 20 Feb 2009. ArchDaily. Accessed . <>
Read comments


jude · January 17, 2014

Can I have the postale address for this house?

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Gill+Dudwadkar Arch. · November 20, 2010

Too closed and bulky but has some nice spaces and cosy corners.. U house / NDA | ArchDaily

Magda · October 27, 2009

Could anybody tell me by which program the renders where made? I think they 're very legible. The information would be very helpful.

LargoJax · March 31, 2009

Excellent design solution! I like the materials, layout and general ambience of the space. Also think the decorating could be better though, but that's a personal touch.

Stephen Alain Ma · February 23, 2009

Would you live in the U house in Montreal, Canada?

Miguel Sá, Arqt · February 21, 2009

i love especially the garden, end it's cool the relationship between garden and house

pi · February 21, 2009

.. i like the interior..specialy in conjunction with the courtyard ..the is a little bit of magic :) like in a hidden garden

Olivier M. · February 20, 2009
freddy wolf · February 20, 2009

nice harmony of interior and courtyard,
fine details of the facades in the courtyard,
the yellow on wood is great.

Contemporary Art · February 20, 2009

I'm not a fan of the decorating choices they've made here (which feel like decoration, and remind me of a cheesy hotel). But the actual building is pretty strong. I like the windows very much, and the arrangement of the rooms, and the courtyard. And the facade is pleasantly unassuming. Good building, not so good taste inside, I feel. The should hire whoever redid that apartment in the last post.
Contemporary Art Daily


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