Opening a plumbing business in Surry Hills, NSW: Market & Competitor Analysis (2026)

Seven plumbers currently operate in Surry Hills. That's a relatively thin field for a suburb of 15,828 people—roughly one plumber per 2,261 residents. In practice, this means established operators aren't saturated with local competition, but it also suggests demand may be modest enough that the market supports only a small number of firms.

The market scores mixed. Strategique Score is 63/100—solid but not exceptional. Market opportunity is strong at 77/100, suggesting real demand. However, Competitor Strength Index is low at 43/100, meaning existing firms aren't particularly entrenched. The effective density of 18/100 indicates room to operate without crushing direct competition, though you'd be entering a smaller market.

nGO Plumbing dominates locally with a 5-star rating across 223 reviews—a significant footprint. Karuso also holds 5 stars (14 reviews). Mr Plumber has minimal presence (4 stars, 1 review). nGO is the clear market leader. The low review counts for others suggest competition is fragmented rather than dominated by multiple strong players.

Weekly household income is $2,308, which is solid. Over a year, that's roughly $120,000 per household. This income level typically supports regular maintenance spending and willingness to pay for quality work, rather than demanding the cheapest option. It's a demographic that can sustain a plumbing business focused on reliable service.

First, study nGO Plumbing's customer base and service gaps—they've built 223 reviews, so understand what they're doing well and where they might be underserving. Second, map the seven existing operators' coverage areas and pricing. Third, connect with local property managers and body corporates in Surry Hills, as rental properties and units are likely to be concentrated here and represent steady work.