Locksmith Service

Window Lock Installation

Toronto homes face a specific security challenge that often goes overlooked: the windows. Whether you live in a detached house near Yonge & Sheppard, a semi-detached in Willowdale, or a condo townhouse along Bayview Avenue, the windows on your ground floor — and even your second-floor units accessible by a balcony or flat roof — are frequent points of entry for opportunistic break-ins. Window lock installation is one of the highest-impact, lowest-disruption security upgrades a Toronto homeowner can make, and it's a service our team handles every day across the city.

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Open 24 hours, 7 days a week · Licensed, bonded & insured

At North York Heritage Lock & Key, our trained and insured technicians come directly to your home — no need to remove hardware or visit a shop. We assess the window type, the frame condition, and your existing locking mechanism before recommending the right solution. Whether that means fitting a robust mortise lock into a wooden casement window, adding a secondary sash lock to a sliding vinyl unit, or integrating a smart lock-compatible sensor into your window system, we do the job cleanly and, wherever structurally possible, without causing damage to your frames or finishes.

What we do

Available 24/7

Day, night, weekends and holidays — a real local locksmith answers and rolls a fully-stocked van.

Fast local response

Based in Toronto, we reach the Toronto area in well under an hour.

Insured & background-checked

Vetted technicians, up-front pricing, and no surprise add-ons when we arrive.

Damage-free entry

We pick and bypass locks the right way, so most lockouts are solved without drilling anything.

Why Window Lock Installation Matters More Than Most Toronto Homeowners Realize

Standard builder-grade window latches — the kind found on most Toronto homes built before the 2000s — are designed for weatherproofing, not security. They can often be defeated in seconds. In areas like North York, where older bungalows and wartime houses sit on deep lots with side-yard access, that vulnerability is real. Upgrading to a proper window lock installation means adding hardware that has genuine resistance to forced lifting, lateral pressure, and prying. This includes key-operated sash locks, keyed pin locks for double-hung windows, through-frame bolts for casement windows, and multi-point locking bars for wide sliding windows.

What surprises many of our clients is how affordable the peace of mind is relative to the risk. Our technicians evaluate each window individually — the frame material (wood, vinyl, aluminum), the window style (single-hung, double-hung, casement, awning, sliding), and the wall thickness — before specifying hardware. Factors that shape your final quote include the number of windows, the lock hardware selected, travel distance, and whether existing hardware needs to be removed or the frame needs any minor preparation work. We always confirm an exact up-front price before any work begins, so there are no surprises when the job is done.

Smart Window Sensors and Modern Upgrades: Integrating with Your Home Security — North York Heritage Lock & Key

Mortise Lock and Keyed Window Hardware: The Most Secure Options Available

When it comes to window security, the mortise lock is the gold standard. A locksmith–mortise lock installation on a window involves routing a precise pocket into the window sash or frame and seating a full-body lock mechanism inside it, flush with the surface. This approach is far stronger than surface-mounted latches because the hardware is mechanically integrated into the frame rather than simply screwed onto it. Our technicians perform mortise lock installations on wooden casement windows, heritage storm windows, and custom timber-framed units — which are common in North York's older residential neighbourhoods and in heritage properties near Yonge Street's historic commercial corridor.

For sliding windows and patio-style units, we also install keyed pin locks, secondary blocking bars, and Charlie bars — hardware that prevents the window from being lifted or slid open even if the primary latch is bypassed. These secondary measures are particularly valuable on ground-floor and basement windows. If you're unsure which combination of hardware is right for your property, call (437) 476-0564 — our team answers 24/7 and can walk you through the options before booking a visit.

Smart Window Sensors and Modern Upgrades: Integrating with Your Home Security

Homeowners upgrading to smart home ecosystems often ask us about pairing their window hardware with connected sensors and smart lock installation components. While true smart lock installation is most commonly associated with door knob lock and deadbolt lock installation on entry doors, the same principle of remote monitoring and alert-based security applies to windows. We work with window contact sensors and auxiliary smart lock-compatible hardware that can integrate with major home automation platforms, giving you real-time alerts if a window is opened unexpectedly.

This kind of upgrade is especially popular among Toronto condo owners and landlords managing multi-unit properties. A landlord overseeing a triplex near Mel Lastman Square, for example, can monitor all ground-floor window states from a single app. Our technicians handle the hardware side — cutting, fitting, and securing the physical lock components — and can advise on compatible smart home ecosystems. We focus on damage-free installation wherever the window frame allows, using appropriate anchoring methods for vinyl, aluminum, and wood substrates. For properties that also need commercial lock installation on shared-access windows or utility rooms, we handle that in the same visit.

Our Full Window and Door Lock Installation Service: What We Cover

North York Heritage Lock & Key is a fully mobile lock installation service operating 24/7 across Toronto. Beyond window locks, our trained technicians cover the complete spectrum of residential and commercial locking needs. Here is a specific breakdown of what we offer on a single service call or as part of a broader security assessment: 1. Mortise lock installation on casement and timber windows 2. Keyed sash lock installation on double-hung windows 3. Pin lock installation for sliding windows 4. Charlie bar and blocking rod fitting for sliding patio windows 5. Through-frame bolt installation on awning windows 6. Secondary latch installation on basement hopper windows 7. Window sensor integration for smart home systems 8. Deadbolt lock installation on entry and back doors 9. Door knob lock replacement and upgrade 10. Mortise lock installation on interior and exterior doors 11. Smart lock installation on front doors (Schlage, Kwikset, and compatible brands) 12. Smart door lock installation with remote access configuration advice 13. Commercial lock installation on office and retail entry doors 14. Commercial keypad door lock installation for staff access control 15. High-security cylinder upgrades (anti-pick, anti-drill, anti-bump) 16. Door lock installation service for rental suites and basement apartments 17. Lock re-keying after tenant changeover 18. Master key system setup for multi-unit properties 19. Emergency locksmith response for residential lockouts 20. Commercial locksmith services for business lockouts and after-hours access 21. Lock repair and mechanism servicing (stiff, seized, or misaligned locks) 22. Padlock installation for gates, sheds, and garage side doors 23. Patio door multi-point lock installation 24. Security bar installation on basement windows 25. Post-break-in emergency lock replacement and boarding assessment 26. Safe lock service and combination change 27. Mailbox lock replacement for condo and apartment buildings Every service above is carried out by insured technicians who arrive at your location fully equipped. We stock a wide range of hardware on our mobile units so most jobs are completed in a single visit. Call (437) 476-0564 any time — we're available around the clock, every day of the year.

Frequently asked questions

What types of windows can have a proper window lock installation done?+

Almost every residential window type can be upgraded. Double-hung windows take keyed sash locks or pin locks. Casement and awning windows accept through-frame bolts and mortise lock mechanisms. Sliding windows can be fitted with pin locks, Charlie bars, and secondary blocking hardware. Even older wood-framed storm windows common in North York bungalows can be upgraded. Our technicians assess each window on-site and recommend the most secure hardware that fits the existing frame without unnecessary modification.

How do I know which lock hardware is right for my window?+

The right hardware depends on the window style, frame material, wall thickness, and how the window is used — for example, whether it's a ventilation window left partially open at night. During our on-site visit, a trained technician measures the frame, checks for any existing damage or warping, and reviews your security priorities before recommending options. We'll explain what each option does, how it installs, and what the trade-offs are in terms of convenience versus security level.

Will you damage my window frames during installation?+

We aim for damage-free installation wherever the window construction allows. For surface-mounted hardware, this typically means using the correct drill bit size, appropriate anchors for the frame material, and hardware that sits flush without cracking vinyl or splitting wood. Mortise lock installation on timber frames does involve cutting a recess into the sash, but our technicians do this precisely to avoid over-cutting. In all cases we discuss the installation method with you before proceeding.

Can you combine window lock installation with a smart lock installation on my doors in the same visit?+

Absolutely. Many of our clients book a full home security review that covers both entry points. We can install a smart lock installation on your front door — or handle a deadbolt lock installation or commercial keypad door lock installation — and upgrade your window hardware in the same appointment. This is efficient and means only one call-out, which our mobile service is set up to handle. Just let us know the scope when you call so our technician arrives with the right hardware.

Do you offer emergency window lock service if a lock breaks overnight or after a break-in?+

Yes. Our emergency locksmith service runs 24 hours a day, seven days a week, including holidays. If a window latch fails, a lock is damaged, or you've had a break-in and need immediate hardware replacement, call (437) 476-0564. A technician will be dispatched to your Toronto location as quickly as possible. We carry replacement hardware on our mobile units and can typically complete an emergency window lock repair or replacement in a single visit.

What factors affect the cost of a window lock installation?+

Several factors go into the final quote: the number of windows being upgraded, the type of lock hardware specified (a basic pin lock versus a full mortise lock mechanism, for example), the window frame material and condition, whether any frame preparation is needed, and the time of day for after-hours or emergency calls. Travel distance within the Toronto service area can also be a factor. We always confirm an exact price with you before any work begins — no work starts until you've approved the quote.

Locked out or need a lock fixed? We are on the way.

Open 24 hours, 7 days a week · Insured, background-checked technicians · Up-front pricing

(437) 476-0564