UK landlords face growing pressure to fit window restrictors under the Housing Health and Safety Rating System, but tenants in short-term lets need security solutions they can take with them. A window lock for rental property use has to be easy to install, easy to remove, and effective enough to satisfy both parties.
What Are the Window Regulations for Rented Properties in the UK?
There is no single UK law that mandates window restrictors in all residential rentals. Industry guidance generally advises that ground floor opening windows should be fitted with locks or cable restrictors, and any window above ground level accessible by children should have a restrictor limiting the opening to 100mm.
The HHSRS classes falls from windows as a Category 1 hazard. Local authorities can require landlords to fit restrictors following an inspection. The practical reality: most landlords install the cheapest cable restrictor available and move on.
Tenants who want better security, or who rent properties where the landlord has not fitted restrictors, are left to sort it themselves.
Is It a Legal Requirement to Have Locks on Windows?
Window restrictors are legally required in buildings housing at-risk individuals, such as care homes, schools and other regulated settings. For standard residential lets, they are strongly recommended but not universally mandated. The Landlord and Tenant Act 1985 requires landlords to maintain the structure and exterior, which includes windows, but does not specify lock type.
Insurance is the sharper incentive. Many UK home insurance policies require evidence of window locks for claims related to forced entry through windows. The principle holds that a break-in through a secured window is still a break-in and covered.
Why Standard Rental Window Locks Fall Short
Cable restrictors installed by landlords serve one purpose: limiting how far the window opens. They provide no adjustability or rigidity. The cable length is fixed. The cable itself has no structural resistance against being pushed sideways. And they only restrict. They do not lock the window in a usable open position.
For tenants who want to leave windows open for ventilation while away or overnight, a cable restrictor is not enough. The window is either fully closed and locked, or open to the cable’s fixed width with no additional security in that position.
Do Rental Properties Need Window Restrictors?
In practical terms, yes. While window restrictors are not legally required in all residential buildings, local councils can mandate them where children under 18 are living in the property. This is a common friction point between landlords and tenants, particularly in family-occupied flats where the landlord has fitted only basic latches.
The gap in the market is clear. Landlords want low-cost, low-liability solutions. Tenants want security that actually works and that they can take when they move.
LockLatch® as a Rental-Friendly Window Lock
LockLatch® installs in about 15 minutes per window. The fixing method uses one-way security screws on wood and steel frames, or pop rivets on uPVC and aluminium. Four small holes are drilled into the frame, then secured using either a screwdriver or a rivet gun depending on the frame type.
When the tenant moves out, the product comes off. The four holes can be covered with rubber grommets for a clean reversible finish, or filled with wood filler or silicone for a permanent seal. No structural damage. No landlord dispute.
The arm locks at an adjustable 9-17cm gap. A lockable pin secured with a removable key holds the setting. The window stays locked open at that width. C304 stainless steel, rust-resistant with a lifetime guarantee and minimal maintenance requirements.
LockLatch® fits any window or door whatever the frame is made from and whichever way it opens. That universality matters for renters who move between different property types.
What Do Tenants Actually Need From a Window Lock?
Portability. A window lock that works in this flat and the next one. LockLatch® uses the same four-hole mount on every frame type, so a tenant’s set of LockLatches moves with them.
Adjustability. Different rooms need different gap widths. A bedroom might use the 9cm setting for overnight security. A living room might use 15cm for maximum airflow during the day.
Legitimacy. A product the landlord cannot object to. Four small holes with grommets on departure is far less intrusive than the damage most tenants cause hanging curtain rails.
Both LockLatch® and MiniLatch® comply with the 100mm child safety rule because the footplates usually mount to the middle of the frame rather than the very edge, which reduces the practical opening by roughly 3-4cm below the nominal adjustable range. That satisfies the HHSRS requirement for properties with children.
LockLatch® ships from the UK distribution centre in Penley, near Wrexham. Standard delivery to any UK address. Shop LockLatch® now and see the full range on the features page.



