Sydney's Leading Window & Door Replacement Specialists

Strata | Commercial | Residential

Expert Craftsmanship, Lasting Quality

At King & Co, we don’t just replace windows and doors—we enhance properties with high-quality, lasting solutions. With over 20 years of experience, we provide expert installation and seamless service for strata, commercial, and residential projects.

Founded by Brett King, a licensed residential and Class 2 builder, we are committed to precision, superior materials, and expert craftsmanship to ensure every installation is built to last.

Contemporary two-storey home at dusk featuring sleek black framed window and door replacements, with floor-to-ceiling glass panels opening to an outdoor dining area and modern open-plan kitchen.

our Services

01

Strata Window & Door Replacement

Enhancing buildings with durable, regulation-compliant installations.

02

Commercial Window & Door Solutions

Improving security, functionality, and aesthetics for business spaces.

03

Residential Window & Door Replacement

Providing high-quality, stylish upgrades for homes.

04

Unit Renovations & Conversions

Handling everything from balcony enclosures to full structural modifications.

Built to Last

We deliver high-quality, durable window and door solutions with premium materials:

Inside a home showcasing bring white floor-to-ceiling windows, and an indoor plant in a woven basket next to a sliding door

Expert Craftsmanship, Lasting Quality​

Industry Expertise

Led by a builder with two decades of experience in structural improvements.

Uncompromising Quality

We use premium materials, including aluminium sliding and double-hung windows, sliding doors, and advanced glazing solutions.
Strata & Compliance Specialists
Fully licensed and compliant with Australian building codes and strata regulations, ensuring smooth project execution.
Tailored Solutions

Whether for strata complexes, commercial properties, or home renovations, we create solutions suited to your needs.

Efficient & Reliable

Our process prioritises precision, efficiency, and a workmanship guarantee for lasting results

White timber French doors with colonial-style glass panels, flanked by double-hung windows overlooking a landscaped garden—ideal for heritage-style renovations.

Servicing Greater Sydney & Beyond

Based on the Northern Beaches, we take on projects across Greater Sydney and beyond. Whether you need a single upgrade or a large-scale transformation, we’re the team you can trust.

Looking for precision, reliability, and quality craftsmanship?

Contact us today to discuss your project.