Waiheke Island, Auckland
What can you build in Ostend?
Every Ostend site has a zone under the Auckland Unitary Plan, and the zone sets how tall, how close to the boundary and how many homes. Check any address to see its building envelope, the homes it could hold and what the land might be worth.
Use Site Finder to see Ostend's larger residential sites on a map, by zone and size.
Open Site Finder →What each residential zone allows
Headline rules from the Auckland Unitary Plan. Overlays, precincts and site conditions can change what applies to a particular site.
Single House (H3)
- Height limit: 8m (+1m for a pitched roof)
- Building coverage: 35% of the site
- Homes: 1 home, plus a granny flat up to 70m²
Mixed Housing Suburban (H4)
- Height limit: 8m (+1m for a pitched roof)
- Building coverage: 40% of the site
- Homes: Up to 3 homes without consent; 4 or more need consent
Mixed Housing Urban (H5)
- Height limit: 11m (+1m for a pitched roof)
- Building coverage: 45% of the site
- Homes: Up to 3 homes without consent; 4 or more need consent
Terrace Housing & Apartments (H6)
- Height limit: 16m
- Building coverage: 50% of the site
- Homes: Every new home needs resource consent
Got a Ostend address in mind?
Type it in for the real boundary, zone, overlays, slope and title type — then the 3D envelope, how many homes fit and what the land could be worth. Free, in seconds.
Check an address →Indicative only — not planning, legal or valuation advice. Counts refresh weekly (last 11 November 2026).