Brandwave

Plumbing World vs Robertson Bathware:Which is more popular in New Zealand?

In October 2026, Plumbing World had more branded searches than Robertson Bathware among plumbing and bathroom merchants in New Zealand. Plumbing World had about 22,600 branded searches, while Robertson Bathware had 1,600. Plumbing World made up 43.8% of all plumbing and bathroom merchant searches we track, and Robertson Bathware accounted for 3.1%. When we asked ChatGPT and Google AI Overviews about plumbing and bathroom merchants, Robertson Bathware appeared in four of the five answers and Plumbing World in two. Plumbing World was mentioned before Robertson Bathware in two out of three answers.

Among plumbing and bathroom merchants in New Zealand in October 2026

Who do people search for more?

Plumbing World, about 14 searches for every 1 for Robertson Bathware

Plumbing World 22.6K searchesRobertson Bathware 1.6K searches

Who does AI mention more?

Robertson Bathware, mentioned in 4 of 5 answers, Plumbing World in 2

Robertson Bathware in 4 of 5Plumbing World in 2 of 5

Who does AI recommend more?

Plumbing World, named ahead of Robertson Bathware in 2 of 3 answers

Plumbing World first in 2Robertson Bathware first in 1

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Top plumbing and bathroom merchants in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Robertson Bathware was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Plumbing World was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Plumbing World was listed before Robertson Bathware in two out of three answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Mico1st
  2. Plumbing World2nd
  3. Reece3rd
  4. Robertson Bathware4th
  5. Chesters Plumbing & Bathroom Centre5th
  6. Plumbing Plus6th
  7. Plumbline7th
  8. Englefield–
  9. Methven–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Mico5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Robertson Bathware4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Plumbline3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Reece3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Plumbing World2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Chesters Plumbing & Bathroom Centre2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Plumbing Plus1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Englefield1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Methven1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about plumbing and bathroom merchants

5 answers

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.

Is Plumbing World or Robertson Bathware more popular in search?

This chart shows how often people search Google for Plumbing World and Robertson Bathware by name. Each line represents a brand's share of searches for all nine plumbing and bathroom merchant brands we track, month by month, from searches in New Zealand.

Plumbing World and Robertson Bathware among plumbing and bathroom merchants in New Zealand, by month

Share of searches by month for Plumbing World, Robertson Bathware. The figures are in the table below the chart.

View monthly share of searches table
MonthPlumbing WorldChesters Plumbing & Bathroom CentreMicoPlumblinePlumbing PlusReeceRobertson BathwareEnglefieldMethven
Nov 202542.4%18.6%15.3%5.4%3.8%5.4%3%3.5%2.5%
Dec 202542.1%18.6%18.2%4.4%4.2%4.4%3%2.7%2.5%
Jan 202644.7%16%16%4.7%4%4.7%3.2%3.6%3%
Feb 202643.4%19%15.5%4.6%3.7%4.6%3.1%3.6%2.6%
Mar 202647.1%16.9%14%5%4%4.1%3.2%3.2%2.4%
Apr 202643.3%19%15.9%4.6%3.6%3.6%3.6%3.5%2.8%
May 202643%18.8%15.6%5.5%3.4%3.6%3.6%3.5%2.9%
Jun 202642.8%18.7%15.6%5.5%3.9%3.6%3.6%3.5%2.8%
Jul 202642.3%18.5%15.4%5.4%3.8%4.5%3.6%3%3.5%
Aug 202642.3%18.5%15.4%5.4%3.8%4.5%3.6%3.6%2.9%
Sep 202642.5%18.6%15.5%5.4%3.7%4.5%3.6%3.5%2.7%
Oct 202643.8%19.2%15.4%5.6%3.7%3.7%3.1%3%2.5%

How has branded search for Plumbing World and Robertson Bathware changed in New Zealand over the last 12 months?

3 findings

How did search popularity change for New Zealand plumbing and bathroom merchants in October 2026?

1 change

  1. In October 2026, Plumbing World gained share of searches among plumbing and bathroom merchants in New Zealand, from 42.5% to 43.8%.

How are Plumbing World’s and Robertson Bathware’s branded searches counted?

10 search terms

Brandwave collects information about searches that people make online using Plumbing World’s and Robertson Bathware’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Plumbing World

9 branded search terms

  • plumbing world
  • plumbing world bath
  • plumbing world showers
  • plumbing world showroom
  • plumbing world taps
  • plumbing world toilets
  • plumbing world trade
  • plumbing world vanity
  • plumbingworld

Robertson Bathware

1 branded search term

  • robertson bathware

How the Brand Demand Index is measured

Other head-to-heads among plumbing and bathroom merchants

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