Timber Window Locks

Secure, Smooth, and Built for Timber.

Doric’s timber window locks combine traditional craftsmanship with modern engineering to deliver reliable security and seamless operation across every timber window type. Designed for Australia’s homes and heritage properties, these locks balance strength, style, and compliance — offering the protection builders demand and the ease homeowners appreciate. Whether you’re installing new joinery or upgrading older sash and awning windows, Doric provides trade-grade solutions for timber frames that stand the test of time.

Why Choose Doric Timber Window Locks

Doric has been trusted by builders, architects, and joiners for decades. Our window locks for timber frames are built to last — from double-hung sash systems to hinged casement and awning windows. Each lock is crafted for precision, performance, and compliance under Australian conditions.

Key reasons to choose Doric:

• AS/NZS compliant window hardware – locks and restrictors tested for strength, endurance, and safety.
• Trade window hardware supplier – trusted by the industry for commercial and residential projects.
• Retrofit timber window hardware – perfect for upgrading existing joinery without altering frame profiles.
• Secure timber window fittings – durable materials and refined design for lasting protection.
• Compatible with heritage, solid, and modern frames – engineered versatility for every build type.

Types of Timber Window Locks

Sash Window Locks for Timber Frames

Our sash window locks for timber keep traditional double-hung windows secure without spoiling the heritage look. Available in keyed and non-keyed options, these locks offer firm clamping pressure and smooth action to hold sashes closed or vented.

Double Hung Timber Window Locks

The double hung timber window locks range combines classic design with precision gearing for long-term reliability. Ideal for restorations, upgrades, and new timber joinery, each lock maintains alignment and smooth glide over years of use.

Timber Awning Window Locks

Doric’s timber awning window locks ensure firm closure and weather protection against wind or rain. Built for both top-hung and bottom-hung frames, they integrate seamlessly with window stays for smooth and safe operation.

Keyed Timber Casement Locks

When you need both airflow and security, Doric’s keyed timber casement locks provide secure closure with optional key locking for additional safety. These are ideal for ground-floor rooms and commercial applications where access control is vital.

Child Safety Timber Window Restrictors

Protecting families is simple with Doric’s child safety timber window restrictors. Designed to meet window restrictor compliance with NCC guidelines, they allow controlled opening while preventing unsafe gaps in elevated dwellings.

Replacement Timber Window Latches

If your existing fittings are worn or loose, Doric’s replacement timber window latches offer quick, precise swaps without the need to refit or reshape frames. Designed for ease of installation, these are a reliable part of any DIY window lock replacement kit.

Product Spotlight

DT1 Double Hung Sash Lock

The DT1 Sash Lock is a flagship Doric design for double-hung timber window locks.

• Use: Traditional timber sash and heritage window restorations.
• Features: Smooth locking cam, anti-rattle fit, and polished finish options.
• Material: Die-cast zinc with plated finishes for corrosion resistance.
• Best for: Heritage timber window upgrades and high-traffic living spaces.

DS125 5-Disc Cylinder

The DS125 5-Disc Cylinder provides enhanced key control and precision for Doric’s keyed casement and awning lock systems.

• Use: Timber casement and awning windows needing secure keyed access.
• Features: 5-disc mechanism for tamper resistance and smooth key rotation.
• Finish: Polished chrome, satin nickel, and black options available.
• Best for: Builders requiring compliant keyed locking for timber projects.

Lock Dimensions and Compatibility

Doric’s window locks are engineered to suit a wide range of timber window dimensions and backset profiles.
Common configurations include:

• Sash locks: Fit standard 25mm–35mm timber sashes.
• Casement locks: Compatible with timber stiles from 32mm upwards.
• Awning locks: Designed to integrate with top-hung frames using standard fastener hole patterns.

Our locks are suitable for solid timber and composite frames, with retrofit compatibility for older joinery and custom milling profiles.

Compliance & Testing

All Doric timber window locks are tested under the Australian Standard AS/NZS 4145.2 for mechanical performance and AS/NZS 1909 for corrosion resistance.

Testing highlights:

• Operational cycle testing – up to 50,000 cycles to ensure long-term durability.
• Salt spray exposure – 240-hour corrosion testing for coastal installations.
• Impact testing – simulates forced-entry pressure and handling strain.
• Child-safety compliance – window restrictors meet NCC Volume 2 Part 3.9.2.6 for opening limits above ground level.

Each lock undergoes rigorous in-house and third-party certification to maintain Doric’s quality reputation and meet current Australian building standards.

Applications

Doric timber window locks are suitable for a variety of residential and commercial settings:

• Heritage restorations – maintain character while adding modern security.
• Architectural builds – clean lines and finishes for premium fit-outs.
• Family homes – compliant child restrictors for upper-level windows.
• Commercial facilities – keyed casement and awning locks for controlled access.

Our locks provide long-term reliability for heritage timber window upgrades, modern developments, and everything in between.

Compatibility and Complementary Hardware

Doric locks integrate with a full suite of matching components to create a complete security system for timber windows.

Explore related products and accessories:

• Window Locks – full range for sash, awning, and casement systems.
• Awning & Casement Window Locks – versatile locking for pivot and hinged windows.
• Window Limiter Hardware – restrictors and safety devices compliant with NCC.
• Timber Door Locks – matching finishes and mechanisms for coordinated builds.
• Window Stays – ensure smooth opening control for awning and casement windows.

Each element is designed for mechanical compatibility with Doric’s secure timber window fittings, providing seamless integration and long-term reliability.

Maintenance and Replacement

To maintain smooth operation:

• Clean window locks and latches every six months with a damp cloth.
• Lubricate moving parts with a silicone-based spray annually.
• Check screws and fasteners for tightness and resecure as needed.

When performance declines, Doric offers replacement timber window latches and retrofit kits that make maintenance straightforward for builders and homeowners alike.

Frequently Asked Questions

Can I buy timber window locks online?

Yes. You can buy timber window locks online from Doric’s authorised distributors and trade suppliers throughout Australia.

Are Doric window locks suitable for heritage windows?

Absolutely. Our range includes sash window locks for timber that preserve period aesthetics while adding modern performance.

Do these locks comply with NCC child safety requirements?

Yes. All child safety timber window restrictors are tested and compliant with NCC opening limit standards.

What’s the best lock for a double-hung window?

The DT1 Double Hung Sash Lock is ideal for classic double-hung timber frames needing secure, smooth locking.

Can I retrofit these locks onto existing windows?

Yes. Doric’s retrofit timber window hardware range is designed to suit most existing sash, casement, and awning profiles.

Secure Every Timber Window with Doric

Doric’s timber window locks deliver strength, style, and peace of mind for builders and homeowners alike. Whether you’re fitting double hung timber window locks, keyed timber casement locks, or child safety restrictors, each component is engineered for Australian conditions and compliance.

• Shop timber window locks – precision-built for timber frames across Australia.
• Get expert advice – our team can recommend the right hardware for your project.
• Call 1300 132 389 – speak with a Doric hardware specialist today.

From heritage sash windows to modern timber awnings, Doric provides secure, compliant, and beautifully crafted solutions — hardware that honours tradition and performs for the future.