My blueprint for sustainable city living

A free step-by-step guide to

sustainable house design and off-grid living in the city

The ImPossible House Team Aims To:

1. Provide a step-by-step guide for anyone wanting to renovate sustainably
2. Demonstrate that a sustainable home can be inner city cool and doesn’t have to look like a hippy log cabin
3. Document all the costs, my mistakes and successes – I’ll make the mistakes so you don’t have to!
4. Minimise costs – I want sustainable living to be accessible by everyone


My name is Laura Ryan and this is my soon to be sustainable house. I’m trying to find a way to live (affordably) off-grid in the middle of the city. I’m looking to finish the build in 2022 and it’s been a tough journey so far. Please use this site as a reference tool for your own sustainable house design.

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Laura Ryan's sustainable house design

What we’re doing

The ImPossible House is turning an old workers’ cottage in Sydney’s inner west into a fully off-grid sustainable house, documenting the whole project so anyone can copy it. Download my factsheet for a quick summary.

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Why we’re doing it

Because we’re in a climate emergency (yes really! – the climate scientists have told us so) and if we all don’t start to reduce our carbon footprint, we’ll have to deal with things like more frequent and fierce bushfires.

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How we’re doing it

We’re using a combination of Passivehaus building principles, off-grid waste, water, and solar solutions with sustainable interior design. Together, they make the ImPossible House.

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Hot Topics

  • Added new Media Page for all our interviews, articles and videos.
  • We were interviewed and featured on Domain.
  • We are calling for EOI to design a residential water recycling system. Details here.
  • And while you’re here….please sign our letter asking Inner West Council to consider letting me install solar panels on my front roof.

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Who We Are