Cross lease explained: what it means if you want to build or subdivide
Updated 10 November 2026 · Auckland Unitary Plan
Many older Auckland sections with two or more flats are cross leases. If yours is, it changes what you can do with the land, so it's worth checking before you plan anything.
What a cross lease is
With a cross lease, the owners share ownership of the whole piece of land, and each owner leases their own flat from all the owners together. A flats plan shows each flat's footprint and any areas set aside for each owner.
Why it matters for building
Building outside the area shown on the flats plan, adding a new building or redeveloping usually needs the agreement of the other owners and an updated flats plan. Many people convert a cross lease to freehold titles before a big project, which involves a surveyor, consents and legal work.
How to check
Your record of title shows the estate type: a cross lease title lists a share of the land (for example 1/2) and a leasehold interest in a flat. Groundwork checks the title type when you look up an Auckland address and flags cross leases and shared titles.
See it for your own site
Type an Auckland address to get the zone, overlays, title type, 3D building envelope, homes that could fit and a land value estimate — free.
Check an address →Common questions
Can I build on a cross lease section?+
Usually only with the other owners' written agreement and an updated flats plan, or after converting to freehold. Talk to a lawyer and surveyor first.
Is a cross lease bad?+
Not necessarily. It works well for many owners, but it adds steps and costs when you want to extend, redevelop or subdivide.
More guides
- Auckland residential zones explained
- How many houses can I build?
- Height in relation to boundary explained
- Granny flat rules in Auckland
Looking at a particular area? Browse Auckland suburbs.
General information only — not planning, legal or valuation advice. Rules change; check the Auckland Unitary Plan or ask a planner for your site.