Can I Build a Granny Flat Next to My House?
Can I build a granny flat next to my house in New Zealand
As New Zealand grapples with a housing crisis, many homeowners are exploring the option of building granny flats—also known as minor residential units (MRUs)—on their properties. These small, self-contained homes provide flexibility for accommodating extended family, generating rental income, or efficiently utilising available space. However, a common question arises: “Can I build a granny flat next to my house?” This article will address this query, outlining the necessary considerations and regulations involved in constructing a granny flat adjacent to an existing residence, particularly in light of the anticipated regulatory changes expected to be approved in mid-2025.
Granny Flats
Granny flats are typically small, detached dwellings designed to function independently from the main home. They can range from simple studios to more elaborate one-bedroom units, offering essential living amenities like a kitchen, bathroom, and living space. The growing interest in granny flats in New Zealand stems from the need for affordable housing solutions, especially in urban areas where housing prices are soaring.
Changes in Regulations
As part of the government’s ongoing efforts to address the housing crisis, significant changes are on the horizon for the construction of granny flats. These regulatory changes, likely to be approved in mid-2025, aim to streamline the process and make it easier for homeowners to build granny flats on their properties. Key changes include:
1. New Building Consent Exemptions
Under the proposed regulations, homeowners may be able to construct granny flats up to 60 square metres without the need for building consent. This exemption simplifies the construction process and encourages homeowners to invest in additional living space.
2. Zoning Laws
Local council zoning laws play a crucial role in determining whether you can build a granny flat on your property. Each council has specific rules regarding land use, including restrictions on the types of buildings allowed in different zones (e.g., residential, commercial, or mixed-use). Homeowners should consult their local council’s zoning regulations to ascertain if granny flats will be permitted in their area following the anticipated regulatory changes.
3. Size and Height Restrictions
Even with the upcoming changes, homeowners must still consider local council guidelines regarding size and height limitations. While the new rules may allow granny flats up to 60 square metres without consent, councils may impose additional requirements regarding height, setback distances from property boundaries, and overall site coverage.
4. Setback Requirements
Setback requirements dictate how far a building must be from property lines, roads, and other structures. These regulations help maintain neighbourhood character and ensure adequate space for amenities such as landscaping and privacy. Homeowners should check the minimum setback distances specified by their local council to determine where they can place the granny flat on their property.
5. Building Code Compliance
All new constructions in New Zealand, including granny flats, must comply with the Building Code, which ensures that the dwelling is safe, healthy, and durable. Although the anticipated changes will streamline the consent process, compliance with the Building Code remains essential. Homeowners must ensure that the design and construction of the granny flat meet these standards.
6. Local Council Notifications
Even if a homeowner is permitted to build a granny flat, notifying the local council about the proposed construction will likely be a requirement. This notification helps the council monitor compliance with regulations and ensures that the building adheres to safety and environmental standards.
7. Potential Neighbour Concerns
Building a granny flat next to your house may raise concerns among neighbours regarding privacy, noise, and the overall character of the neighbourhood. Engaging with neighbours early in the planning process can help address any concerns and foster a positive relationship. Thoughtful design and placement of the granny flat can also minimise potential impacts on neighbouring properties.
Building a granny flat next to your house can be an appealing option for homeowners looking to maximise their property and provide additional living space. However, it is crucial to navigate the regulations and requirements established by local councils, especially with the significant changes anticipated to be approved in mid-2025. By staying informed about zoning laws, size limitations, setback requirements, and Building Code compliance, homeowners can ensure that their projects align with legal standards. If you are considering building a granny flat, consult your local council for specific guidelines and requirements, and seek professional advice to ensure a smooth and compliant construction process. These upcoming regulatory changes present a valuable opportunity to enhance your living space while contributing to the growing need for affordable housing in New Zealand. Have a look at our page on other retirement house designs.