Alternative Height in Relation to Boundary (AHIRB) Calculator

Welcome to our AHIRB Compliance Calculator!

This user-friendly tool is designed to help you determine whether your building project complies with the AHIRB (Adjacent Height in Relation to Boundary) control in the Auckland Unitary Plan (Operative in Part). This control applies in the Residential - Mixed Housing Suburban, Residential - Mixed Housing Urban, and Residential - Terrace Housing and Apartment Building Zone.

By inputting a few key details about your project, such as the building's zone, ground level at the boundary and building, distance from the boundary, and proposed building height, our calculator will provide you with a clear and concise result.

With this information, you can easily assess your project's compliance with the AHIRB and make any necessary adjustments to ensure your building project meets the required guidelines. Get started now!