Wellingborough is a market town in Northamptonshire, sitting in the Nene Valley between Northampton and Kettering. It has a mix of Victorian terraced streets, post-war housing estates, and newer residential developments on its outskirts, giving it a varied architectural character shaped by several decades of growth.
Montrose Glass provides double glazing in Wellingborough and is available 24 hours a day, 7 days a week, 365 days a year. Whether you need a new installation, a repair to a failed sealed unit, or a straightforward replacement, our glaziers are ready to attend your property, often within 30 to 90 minutes of your call. For a full overview of the glazing services we offer across the area, visit our Window Glazing page.
Double glazed windows work by trapping a layer of inert gas, typically argon, between two panes of glass within a sealed unit. This pocket of gas acts as insulation, reducing heat loss and cutting down on condensation forming on the interior glass surface. A-rated windows take this further, combining low-emissivity glass coatings with quality uPVC frames to deliver measurable improvements in energy efficiency. When that seal fails, the insulating gas escapes, moisture enters, and you begin to see the characteristic misting or clouding between the panes. At that point, the unit is no longer performing as intended and should be assessed by a qualified glazier.





