Balcony Waterproofing in North Sydney

North Sydney is 84.4 per cent flats and just 6.0 per cent separate houses, which makes it the second-densest suburb on this site after Macquarie Park.

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Balcony Waterproofing around North Sydney

Of 4,251 occupied private dwellings, 3,607 are apartments. At 4,251 dwellings it is the smallest total stock of the nine suburbs here, and also the most concentrated — nearly every residential balcony in the suburb belongs to a building with other people living above and below it.

The practical effect is that responsibility is almost never a single owner's. Whether the balcony slab is common property, whether the membrane protects a lot beneath it, and who the owners corporation has engaged already are the questions that decide how the work proceeds. They are worth settling before a quote rather than after one, because they can change the scope entirely. Adding the 8.9 per cent of dwellings that are semi-detached to the 84.4 per cent that are flats, more than 93 per cent of North Sydney is attached to another dwelling in some way, which is the practical definition of a strata suburb.

A five-storey rendered apartment building with glass balustrades and planter boxes built into the balcony slab edges, seen from a finished street with concrete footpath and kerb — illustrative example

Permits and North Sydney Council rules

North Sydney Council administers this suburb and current requirements should be confirmed with it. Separately, the Design and Building Practitioners Act 2020 names waterproofing among the building elements it governs and treats repair of a prescribed building as building work, with class 2 covering apartment buildings. In a suburb where only 6.0 per cent of dwellings are separate houses, that regime applies to the great majority of balconies.

Source: Design and Building Practitioners Act 2020 (NSW) s 6(1)(b), s 4(1)(c); Design and Building Practitioners Regulation 2021 (NSW) cl 12(1) — confirm current requirements with North Sydney Council.

Timing and lead times in North Sydney

The reporting season is autumn. Sydney rainfall runs highest in March and June and lowest in September, and sustained rain is what exposes a failed membrane. Where 84.4 per cent of dwellings are flats, the person who notices first is usually a resident below the balcony rather than the one standing on it.

Our North Sydney service area

We take balcony waterproofing enquiries across North Sydney and the surrounding lower north shore.

See all Balcony Waterproofing in Sydney. We also work in North Sydney Council covers this suburb alone among the nine here; Lane Cove North and Chatswood sit to its north and west under different councils..