Tiny house regulations by country — 2026 guide

Updated 5 September 2026

2026 is the year the rules moved. Three countries loosened them in ways that matter (New Zealand, the USA and Australia's states), two stayed strict but clear (the UK and the Netherlands), and Canada turned its pilots into standard practice. Pick your country.

Check locally. This page summarises published rules and guidance as at September 2026. Councils, states and countries interpret them differently and several are mid-change. Get it in writing from your local authority.

Choose your country

Australia — state by state, with the WA, Victoria, NSW, SA, ACT and Tasmania changes → /regulations/australia
New Zealand — the new 70 m² no-consent rule → /regulations/new-zealand
United States — ADU reform and IRC Appendix Q by state → /regulations/usa
Canada — bylaws by province → /regulations/canada
United Kingdom — caravan definition, curtilage and planning permission → /regulations/uk
Europe — France, Germany, Netherlands, Spain and the rest → /regulations/europe

The one rule that is true everywhere

Whether a tiny house needs a permit almost never depends on its size. It depends on how it is used and what it sits on: a home on wheels that stays registered and movable is usually treated as a vehicle; the moment it is lived in full-time, plumbed in or fixed to the ground, it becomes a building and building rules apply. Every country on this page draws that line somewhere slightly different.

What changed in 2026

New Zealand: standalone dwellings up to 70 m² exempt from building consent from 15 January 2026.
USA: sweeping ADU reforms — owner-occupancy and parking mandates dropped in many jurisdictions; California allows an ADU on nearly every lot.
Australia: WA's state R-Codes overrode all council rules from 10 April 2026; Victoria's April 2026 directive on tiny homes on wheels; NSW and Victoria council trials end December 2026.
Canada: BC's small-scale multi-unit housing framework now embedded in municipal bylaws.
UK: no change to the law, but planning reform is fast-tracking decisions and councils must show a six-year housing pipeline from July 2026.

Sources

General information only, not legal, financial or building advice. Rules change often — confirm with your local authority before you buy land, sign a contract or start a build. See our disclaimer.