Insulating Windows for the Winter Weather: A Brief Guide

Insulation is a hot topic for the winter months, and replacing older, poorly performing windows with modern, energy efficient ones is the key to keeping your home well insulated.

If you already own energy efficient windows with a low u-value (the lower the u-value the better), then there are a few things you can do to boost insulation even further, helping you save more money on your heating costs and ensuring your home remains cosy.

The team at Visual have put together this brief guide with helpful information on how to insulate your windows through the winter months.

Signs it’s Time to Replace Your Windows

Two of the tell-tale signs that your windows are underperforming is if you’re noticing condensation between the panes or if you feel constant draughts or cold spots in certain areas of your home.

You should also look out for cracked glass, warped frames and stiff hinges.

Once these signs are apparent, replacing them with energy-efficient double glazed windows from a reputable installer will significantly reduce heat escaping from your home.

Window frost

Window Replacement vs. Window Insulation

Choosing to insulate your current windows rather than buying new ones can be a quick and affordable short-term fix, but older windows (especially single-glazed ones) often lose heat faster than insulation alone can help.

By replacing your windows with energy-efficient options, you’ll enjoy long-term benefits: consistent warmth, fewer draughts, and lower heating costs for the future.

And with energy prices frustratingly high throughout the country, the return on investment on a window upgrade can be quicker than you might think.

Scraping frost off a window

Easy Ways to Boost Window Insulation

Even the best windows can benefit from a few extra touches of insulation. Try these simple yet very effective methods:

Window Film – Adds a clear insulating layer to the glass, reducing heat loss by up to 30%. It’s very quick to apply and easy to remove when no longer needed.

Thermal Curtains & Blinds – Heavy fabrics help block out cold air and trap warmth, while enhancing your décor.

Caulking & Weatherstripping – Seal gaps and cracks around frames to stop draughts in their tracks.

Bubble Wrap Insulation – A budget-friendly temporary fix that slows down heat loss, ideal for less-used rooms.

Secondary Glazing – A great option for period or listed homes, providing extra insulation and soundproofing.

Draught Excluders & Insulation Tape – Handy, low-cost ways to fill smaller gaps and boost efficiency.

Draught excluder

Even small insulation upgrades can make a big difference when paired with energy-efficient windows. Together, they help create a home that’s warmer, more efficient, and ready for winter.

Whether you’re upgrading or enhancing what you already have, explore our energy-efficient window range online or visit our Mirfield showroom for expert advice and inspiration.

LOOKING TO REPLACE YOUR WINDOWS?

We have a fantastic range to choose from so whether it’s a modern style or traditional timber effect windows – we are confident that we will have windows to improve any home to give it the finished look with elegance.

VIEW WINDOW RANGE

LOOKING TO REPLACE YOUR WINDOWS?

We have a fantastic range to choose from so whether it’s a modern style or traditional timber effect windows – we are confident that we will have windows to improve any home to give it the finished look with elegance.

VIEW WINDOW RANGE

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