Balcony Repairs and Remediation

Are Your Balconies Leaking, Cracking, or Unsafe?

Leaking, cracked, or unsafe balconies aren’t just a nuisance — they’re warning signs of deeper waterproofing and structural problems. Left untreated, balcony defects cause water ingress, corrosion, and safety hazards that impact the entire building.

What Happens When Balconies Fail?

Balcony issues quickly escalate from cosmetic to structural, creating risks across safety, compliance, and asset value.

1. Safety Risks

Cracked tiles, loose balustrades, and spalling concrete create serious hazards for residents and the public below.

Reinforcement corrosion weakens balcony slabs, leading to potential failure if left untreated. Many balcony defects are tied to Concrete & Structural Repairs and Waterproofing Remediation.

2. Escalating Repair Costs

A small leak in a balcony membrane can quickly spread to adjoining apartments, façades, and slab edges.

Once waterproofing and concrete deterioration spread, remediation often requires full slab replacement or large-scale access systems.

Early Building Investigations keep repairs targeted and costs under control.

3. Loss of Asset Value

Leaking or unsafe balconies lower property value, reduce rental yields, and increase insurance premiums.

Strata buildings with unresolved balcony issues are often flagged as high-risk.

Comprehensive balcony remediation, combined with Façade Remediation or Defect Rectification, restores asset value and confidence.

Repair Balconies the Smarter Way – Our Approach

We don’t just re-tile balconies — we remediate the root cause and restore durability for decades.

1. Diagnose the Source

We don’t just retile balconies. Our Building Investigations identify whether problems come from waterproofing failure, structural movement, or poor detailing.

2. Match the Repair to the Environment

Balconies face different stresses — UV exposure, ponding water, or high-rise wind loads. We select systems to suit your conditions, often integrated with Waterproofing Remediation and Roof Repairs.

3. Integrate Repairs with the Whole Building

Balcony remediation connects with façades, windows, and internal finishes. Our works tie into adjacent systems to ensure long-term watertight performance, often as part of broader Façade Remediation.

4. Cut Costs by Avoiding Rework

Quick fixes like patch membranes or retiling without substrate preparation always fail. Our approach follows Defect Rectification standards, using engineered detailing to stop repeat failures.

5. Prove It with Evidence

Every project includes QA reporting, moisture testing, and photo documentation. This gives strata committees confidence and supports Major Loss Insurance claims where relevant.

Types of Balcony Repairs & Remediation We Provide

Our services cover both targeted repairs and full-system remediation, designed for long-term performance.

Tile & Surface Reinstatement
Replace defective balcony tiles and finishes after repairs, restoring durability and aesthetics.
Screed & Fall Correction
Rebuild balcony screeds to restore correct falls, ensuring water flows to drains instead of pooling on the surface.
Waterproofing Membrane Replacement
Reinstate balcony waterproofing at its foundation with new, fully compliant membranes and detailing.
Balcony Leak Investigation & Testing
Pinpoint the true source of balcony leaks using systematic water testing, moisture diagnostics, and forensic inspection.
Drainage Upgrades & Threshold Detailing
Upgrade balcony drainage systems and thresholds to prevent water build-up and internal leaks.
Balustrade & Fixing Remediation
Strengthen or replace defective balustrade fixings to ensure balcony safety and compliance.
Concrete Spalling / Balcony Slab Repair
Restore structural integrity by repairing spalled balcony concrete and reinforcing exposed steel.

Success Stories

See how we’ve turned complex projects into lasting value — with minimal disruption and maximum confidence.

Explore our projects

Facade Remediation: Re-Cladding
A safer, stronger façade for the future.

Structural Remediation (Concrete)
Protecting Homes and Restoring Trust.

A Remedial Waterproofing Transformation: From Leaks to Luxury.

High-Rise Facade Remediation
Strength Restored and Safety Secured.

Heritage Facade and Colorbond Roof Replacement Success Story.

Colorbond Roof Replacement: Defying Downpours.

Reviving a Concrete Pool: From Bad to Brilliant

Why Atomic is the best in Balcony Repair & Remediation

It’s not just about the work — it’s the confidence we deliver. Every project is about maximising value, minimising disruption, and building durability that lasts.”

Specialist Focus

We only do remedial building. It’s not an add-on — it’s our whole game.

Engineer & Strata Partnerships

Top engineers and strata managers trust us because we make their designs work on site.

Premium Quality

Tier 1 standards, without the Tier 1 price tag. We deliver top finishes, safe work, and strong systems.

Proven Track Record

From high-rise towers to heritage sites, we’ve done it all. Every job makes us better, and clients know we’ll get it right.

Client Care

We don’t just fix buildings, we look after people. Less noise, clear updates, and full accountability from start to finish.

Take the next step.

Fill out the form below and let's build something that lasts.

Phone: Call us at 0410 515 509

‍Email: Send us a message at hello@atomicprojects.com.au
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Frequently Asked Questions

What do balcony remediation works involve?

Typical works include:

• Waterproofing membrane replacement

• Spalling and concrete repairs

• Balustrade compliance upgrades

• Retiling and substrate reinstatement

These often overlap with Waterproofing Remediation and Façade Remediation.

How long does balcony remediation take?

Timelines vary:

• Small balcony repairs: 1–2 weeks

• Mid-scale projects: 2–3 months

• Large high-rise complexes: 6 months+

Scope is confirmed through a Building Investigation.

How much does balcony remediation cost in Sydney?

Costs depend on severity and access:

• Localised balcony repairs: $10k–$50k

• Mid-scale façade with balcony upgrades: $200k–$800k

• Large complexes: $1m–$5m+

All scopes are transparent and align with Defect Rectification.

What is the impact on residents or tenants?

Balcony works often involve scaffold, noise, and dust, but we minimise impact with:

• Protective sheeting and dust suppression

• Staged programming and clear communication

• Daily updates for managers and committees

See examples in our Projects.

What warranties are provided?

We provide:

• Workmanship warranties

• Manufacturer warranties on membranes and systems

• Compliance with NCC and DBP Act

Warranties are managed under our Defect Rectification systems.

What causes balcony leaks or failures?

Common causes include:

• Failed membranes

• Poor substrate detailing or falls

• Structural cracks or movement

• Blocked drainage outlets

These issues often tie into Concrete Repairs and Waterproofing Remediation.

Do you remediate heritage balconies as well as modern ones?

Yes — we restore Heritage Balconies with approved conservation methods and upgrade modern balconies with engineered solutions.

Do you remediate heritage balconies as well as modern ones?

Contact Atomic Projects — Atomic Projects — Sydney’s balcony remediation specialists

📞 0410 515 509 | ✉️ hello@atomicprojects.com.au

‍Or explore related services: Waterproofing Remediation, Façade Remediation, Concrete Repairs.

Ph: 0410 515 509hello@atomicprojects.com.au11A Tangarra St EastCroydon Park NSW 2133Contact Us
Core Services
Facade RemediationConcrete & Structural RepairsWaterproofing RemediationBrickwork & Render RepairsBalcony RemediationCladding ReplacementRoof Repairs & ReplacementBuilding Investigations
Sectors
Remedial Building ServicesMajor Loss InsuranceDefect RectificationHeritage Restoration
Specialised Strata Services
Strata Building Reports
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