Best Replacement Double Hung Window

uPVC Universal Window Hinge Kit Double Glazing Friction Stay PVC 13mm 17mm Stack 16 inch Non Handed Stainless Steel

4 Pack Sash Jammer Blocker - Door & Window Lock Anti Theft - Additional Home Security for PVC/uPVC Windows and Doors - White

XFORT® 2 Pack Door Jammer and Window Locks for uPVC Windows & Doors - French Doors Security Lock - Locking sash Jammers for UPVc Doors & Windows - A Quick Low-Cost Home Security Solution.

Pair of 13mm x 10" inch Top Hung Window Stays/Friction Hinges - Designed to Stay Open in Any Position Due to Friction, for uPVC or Aluminium profiled Windows (259mm).

Versa 10" (250mm) Retrofit UPVC Window Friction Stay Hinges Top Hung/Side Hung (One Pair)

Fixrello Cockspur Window Handle Locking Window Lock Catch for UPVC Windows - with Key and Cover Cap (Left Handed - 12mm, White)

Genius® 10'' (250mm) Retrofit UPVC Window Friction Stay Hinges Top Hung/Side Hung (One Pair)

uPVC Universal Window Hinge Double Glazing Friction Stay PVC 16 Inch Egress Only 13mm Stack Stainless Steel

Pair of 17mm x 10" inch Top Hung Window Stays/Friction Hinges - Designed to Stay Open in Any Position Due to Friction, for uPVC or Aluminium profiled Windows (259mm).

Yale Defender Friction Hinges UPVC Window Securistyle Easy Clean & Egress Opening Vent Stay (12" x 17mm (Stack Height))