Readers are impressed by this renovated house in Melbourne, designed by Austin Maynard Architects which features an "urban farm" rooftop garden, planted terraces and a fish-pond atrium.

Readers are fascinated by a prototype kit for cheaply converting petrol or diesel cars to hybrid electric created by Australian design student Alexander Burton.

Rapidly growing Austin is set to see its skyline transformed by the emergence of several supertall skyscrapers in the coming years, but is this a cause for celebration or concern? Commenters shared their thoughts.

MVRDV has added a colourful gridded facade to a skyscraper in Shenzhen, to create a hotel and centre dedicated to the welfare of women and children. Commenters reacted to the "really fun project".

Readers are sceptical of a project by a group of students from the University of Applied Arts, which has won Vienna Design Week's Social Design Award. The design is aimed at involving citizens in the design of their urban spaces using the city's own waste materials.

Readers are unconvinced by renders of a supertall skyscraper designed by Zaha Hadid Architects for the Trojena ski resort at Neom in Saudi Arabia.

Schiller Projects has converted a former Brooklyn carriage house into a single-family residence using mass-timber construction and re-purposed materials. Commenters are acclaiming the "absolutely gorgeous" project.

Amanda Hamilton Interior Design has used bold colour-blocking and neon lighting to give this Calgary chicken shop a "1990s meets Memphis" feel. Commenters are pleasantly surprised.

Readers are celebrating an outdoor social space which architectural designer George Fisher has created for a homeless hostel in London, using the modular U-Build system developed by Studio Bark.

Commenters are analysing an exhibition by British designer Max Lamb at London's Gallery Fumi, where he presents three different furniture pieces made using cardboard waste from his own studio.

Readers are delighted by Mexican architecture studio Productora's transformation of a concrete industrial complex in Mexico City into a series of studios including its own office.

Commenters are sold on Digital House, a micro home that can be built without using nails or screws by German designers Julian Krüger and Benjamin Kemper.