Does my renovation need a building consent?
One of the most common questions we get at Clear Path Consulting is:
“Does my renovation actually need a building consent?”
The answer is… it depends.
Not every renovation requires consent, but even relatively simple projects can trigger Building Code or consent requirements depending on what you're changing. It’s always worth checking before work starts, rather than discovering an issue when you go to sell, refinance, insure the property or complete other consented work later.
Renovations that may require building consent
Generally, it’s worth checking your consent requirements if your renovation involves:
Structural changes – removing or altering load-bearing walls, changing beams, foundations or other structural elements.
Adding new plumbing fixtures – particularly where you're increasing the total number of sanitary fixtures in the house.
Significant plumbing or drainage changes – for example, relocating a bathroom or kitchen to another part of the house where new drainage work is required.
Adding or altering a bathroom – especially where fixtures are being added, relocated or drainage is being changed.
Changing the building envelope – such as installing new windows or doors where new openings are being created or structurally altered.
Extensions and additions – increasing the footprint or floor area of your home will generally require a building consent.
Changes affecting fire safety – particularly for multi-unit or commercial buildings.
Some decks, retaining walls and other external structures – depending on their height, location and design.
What about a basic kitchen or bathroom renovation?
This is where we get a lot of questions.
If you're simply replacing existing kitchen cabinetry, benchtops, appliances or bathroom fittings like-for-like, you may not need a building consent.
It becomes less straightforward when you start moving things around. For example, moving a toilet, shower or kitchen sink to another part of the house can involve changes to plumbing and drainage. Removing walls may also introduce structural considerations, even if the renovation itself seems relatively minor.
The important thing is to look at what work is actually being carried out, rather than assuming a kitchen or bathroom renovation is automatically exempt.
What if the work has already been done?
This is another situation we see regularly.
Sometimes renovation work was completed years ago and the current owner only discovers later that there is no council record of a building consent.
Depending on when the work was completed, what was done and whether consent should have been obtained at the time, there may be options available to get the property records sorted.
For building work carried out without the required consent on or after 1 July 1992, a Certificate of Acceptance (COA) may be an option. This involves providing council with information and evidence so it can assess the work against the Building Code to the extent it is able to.
COAs can be more involved than people expect, particularly when work is concealed and there are limited records available, so getting the right information together from the beginning can make a big difference.
It's much easier to check first
If you're planning a renovation and aren't sure whether you need a building consent, it's worth checking before you start.
At Clear Path Consulting, we can review what you're proposing, help identify the likely consent requirements and, where a building consent is required, coordinate the application and documentation through the council process.
And if the renovation has already happened and you're trying to work out what needs to be done now, we can help with that too.
Planning a renovation and not sure where to start? Get in touch and let's have a chat about your project.
This information is general guidance only. Building consent requirements depend on the specific work proposed and should be assessed on a project-by-project basis.
