The perforated brick walls of this triangular house in Barcelona overlap at the corners.

Spanish studio H Arquitectes purposely designed the single-storey House 712 with simplistic construction details so that any builder could put it together.

An air chamber functions as a ventilation channel behind the perforated facade, while rainwater naturally drains off the walls through cavities in the brickwork.

Three bedrooms, a study, a kitchen-diner and a living room all fan around a triangular hallway at the centre of the house.

H Arquitectes always name their buildings with a number - see more of their projects here.

Photography is by Adrià Goula.
Here's some more text from H Arquitectes:
House 712
The proposal wants to occupy all the buildable part of the parcel by means of a ground floor house, entailing a triangle shaped plan with each side parallel to its correspondent plot limit.

This triangular geometry minimizes the distribution spaces (having only a central one), reduces the cost and allows a constant and homogeneous relation between both the inside and the outside.

Because of the ground level difference between site and street (the highest one), the triangular roof, almost an icon, becomes the fourth façade of the house.

While designing and planning the project, the budget was cut by 65%.

This fact strongly conditioned all the construction decisions: systems, materials, etc.

By removing all the superfluous and unnecessary elements, the house was given both an inside and an outside which are extremely austere, powerful and very expressive.

Situation: Gualba, Barcelona.
Author: H ARQUITECTES (David Lorente, Josep Ricart, Xavier Ros, Roger Tudó)
Collaborators: Montse Fornés, architect (Harquitectes) Anna Bonet, interiorista (Harquitectes) Iñaki González de Mendiguchia, technical architect

Year of realization: 2008-2011
Surface constructed: 127,40 m2
Budget: 130.000€
Constructor: Construcciones Jufraed 2001, S.L.
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cool design, the bricks are nice inside and out
the ceiling made me wince a bit tho…
It does not have a ceiling!
ugh, you know what i mean, could you be a little more pedantic next time.
It needs one then, its godawful
Surprisingly attractive, considering that the internal blockwork and beam and block ceiling have effectively had a lick of paint. Nice layout and corner brickwork detail. Very original
I love the walls and the bricks. The unconventional structure gives the traditional style of the house a taste of contemporary.
The was a desire to show a sign of detest, or atleast a gumble of dislike against such a project, but scrolling down, a perculiar sense of admiration for a cheap and ultimatley well executed building sunk in. Lovely stuff!
Somehow the paint of the interior doesn't match the subtlety of the exterior..
Terrible!!! The way that all the bricks overlap on the corners is just plain lazy!!!
and how do we enter this minimalistic beauty? through the 4rth façade? love the mentioning of the interior architect, who probably decided to do absolutely nothing but painting the inside white (easy way to earn your fee).
From the outside it looks like a tool shed. From the the inside it looks like a tool shed too…with a circulation space like one for a cheap department store's dressing rooms.
Bad.
Lots of awkward corners inherent in triangles make a significant amount of square footage useless. and who doesn't but a window in the bathroom?
Booo!
the floor is ok, the rest needs to come down.