NSW contractor licence 260823C
Waterproofing in the Sydney CBD and inner city
Balconies, podium decks, planter boxes and lift pits waterproofed for city towers, with bathrooms and roofs for the terraces in between.
Finished look- 25 suburbs covered in the Sydney CBD and inner city
- Homes, unit blocks and strata buildings
- Free written quote from your photos
Get a free quote
Waterproofing in the Sydney CBD and inner city
Add photos if you can. We usually reply within one business day.
NSW contractor licence 260823C
Suburbs
Suburbs we cover in the Sydney CBD and inner city
The public NSW licence register lists insured home building work under our licence 260823C in Darlinghurst and Elizabeth Bay (2024–26). Check the register
Services
Waterproofing services in the Sydney CBD and inner city
The same licensed work and the same typical prices in every suburb. Choose a job to see what it involves.
Finished look- Typical price
- $600–$1,200per job, in a renovation
- $2,500–$6,500per job, leaking shower
Bathrooms & showers
New bathrooms sealed before the tiler starts, and leaking showers fixed properly at the source.
- Bathrooms and ensuites in a renovation or new build
- Showers leaking into the next room or ceiling
- Signed certificate for your certifier
Finished look- Typical price
- $350–$650per m², balcony redone
- From photosterraces and repairs
Balconies & terraces
Balconies leaking into the room below, stripped back and redone properly so they stay dry.
- House and apartment balconies
- Terraces and roof decks over living space
- Strata balconies, one unit or the whole building
- Priced from photos
Basements & below ground
Walls and floors that sit against the soil, kept dry.
Basements ·Negative-side waterproofing
Priced from photos
Priced from photos
Priced from photos
Priced from photos
Priced from photos
Local notes
Before we start in the Sydney CBD and inner city
What can change a waterproofing job in this area. Each suburb’s own page has the detail and its sources.
Who approves the work
Balconies and other common property in a strata building need the owners corporation’s approval before work starts.
Suburbs with many strata homes: Alexandria, Barangaroo, Chippendale, Darlinghurst, Dawes Point and 17 more.
Salt air
Near the water, salt air and wind-driven rain are hardest on balcony sills, drainage outlets and balustrade fixings.
Suburbs near the water: Barangaroo, Darlinghurst, Dawes Point, Elizabeth Bay, Forest Lodge and 9 more.
Digging below ground
Some land here is mapped for acid sulfate soils, so digging for a basement, pool or retaining wall may need council consent and a soils plan.
Suburbs with mapped land: Alexandria, Beaconsfield, Chippendale, Darlinghurst, Darlington and 17 more.
Heritage areas
Heritage conservation areas cover parts of some suburbs, and outside work in them, such as new balcony tiles or a roof membrane, may need council consent.
Suburbs with heritage areas: Alexandria, Beaconsfield, Chippendale, Darlinghurst, Darlington and 16 more.
Why choose us
Why choose Sydney Waterproofing NSW
A licensed waterproofer who finds where the water is getting in, fixes it properly and backs the work in writing.
Check licence 260823C on the NSW registerA licensed waterproofer since 2013
Our NSW contractor licence 260823C is in the Waterproofing Technician class. You can check it on the government register.
The cause found before the quote
From your photos, or a visit where photos aren’t enough, we check the falls, the junctions and where the water gets in, so the fix goes to the cause.
Flood tested, with a certificate
Showers, bathrooms, balconies and flat roofs are flood tested before they are covered, and the waterproofing certificate comes to you when the job is finished.
Insured, and covered by warranty
$20 million public liability insurance, and the NSW statutory warranties: six years for waterproofing, a major building element.
Step by step
How it works
- 1
Send photos
Photos of the leak or the area, with what is above, below and beside it. The quote form already has your suburb.
- 2
Get a free quote
We usually reply within one business day, and arrange a free visit where photos aren’t enough.
- 3
Waterproofed and certified
The membrane goes on in coats, flat membranes are flood tested, and the certificate comes to you when the job is finished.
Reviews
What customers say
Every review is shown word for word, straight from Google.
Absolutely amazing work, really nice team and super flexible, our bathroom looks amazing 👏