Council Rates Increase Calculator - RedDot

How much more is your household paying in total rates and water charges in 2026/27?

From 1 July 2026, households in Wellington, Lower Hutt, Upper Hutt and Porirua began paying separate Tiaki Wai water-service charges in addition to council rates. We’re collecting real household figures to measure the actual increase in total costs and provide evidence for our petition calling for an independent review.

Sign the NZ Parliament Petition

It takes about 2 minutes.

Enter the total amount from your council rates before 2026, then compare it with your 2026/27 council rates and separate Tiaki Wai water charges.

We will automatically calculate the actual increase for your household.

Thank you for contributing your household evidence.

Your information has been recorded and will help us demonstrate the real impact of the new water charges.

1 Your details

We collect your name and email so we can contact you if we need to clarify your figures and, where you agree, provide updates about the petition.
Please enter your name.
Your email will not be published with your household figures. Please enter a valid email address.

2 About your property

Please select your council area.
Please select your property type.

3 Before 2026

Before 2026, water charges were included in the council rates bill.

Enter the total annual council rates you paid.
$
Your total annual council rates before 1 July 2026. Please enter your previous annual council rates.
Previous annual cost $0.00

4 2026/27

You now receive your council rates separately from your Tiaki Wai water-services charges.
$
Please enter your 2026/27 council rates.
$
Enter the annual Tiaki Wai charge. If you are billed quarterly, enter the annual equivalent. Please enter your 2026/27 Tiaki Wai water charge.
Council rates $0.00
Tiaki Wai $0.00
Total 2026/27 cost $0.00

5 Your actual increase

Annual increase
$324,336.00
139800.0%
Increase in your combined annual council rates and Tiaki Wai water-service charges.
Before 2026 $0.00
2026/27 $0.00
Difference $0.00

6 A little more information

7 Submit your evidence

Your household figures will be used as evidence to demonstrate the real impact of the new water charges and total rates costs.

Your name and email address will be kept private and will not be published alongside your financial figures.
You must confirm your consent to submit.
Your name and email address will be kept private. Only aggregated/anonymised financial information will be used for evidence and reporting.