Essentially your 2 alternatives for double glazing are either a manufactured unit that is a replacement for your window or what they call secondary glazing which are like storm windows in the manner in which they work. The manufactured units would be the best alternative.
It is a must that you purchase the highest grade of energy retaining glass that you can, as cheaper alternatives will be outdated pretty quickly.
This is the reason why double glazed windows gives almost treble the insulation as compared to the single glazed windows.
- Find double glazing prices here: www.doubleglazing-pro.co.uk/double-glazing-prices-2018
French doors that open inwards are way easier to force open than those that open outwards. You can see here some examples of high quality but cheap French Doors prices & designs.
This will make it harder for people to smash the window and enter your home. And of course, make sure you always shut your windows before you leave the house, otherwise purchasing double glazing windows will do no more than keep your house a little warmer. – check out https://www.doubleglazingpriceguide.org.uk/double-glazing-windows/fully-fitted-upvc-windows-prices/
moreover it can be done cheaply and effectively, so that even where there’s a tight budget involved it’s perfectly feasible to transform a home with a few creative touches.
Maybe you could do with some new doors? – Double Glazed Patio Doors | Sliding Patio Doors