Why PVCu?

pvcuSouthern Glazing Systems offer a range of stylish double and triple glazed PVCu energy efficient window, door and conservatory systems. PVCu profiles, or frames, are constructed with steel reinforcement inside and are designed to minimise the transfer of heat from the inside of your property to the outside. The resulting products are not only strong and secure but also achieve some of the highest energy ratings available, which help minimise energy costs on an ongoing basis.

Need Replacements?
If you need to replace your old windows or doors, you will find our high quality PVCu systems are a real revelation! The latest engineering technology combined with precision manufacturing, ensure that these windows offer superb controllable ventilation, and eliminate draughts. PVCu needs no painting and very little time-consuming maintenance. Our windows, door and conservatories comply with, and often exceed, the most stringent building regulations, security standards and quality accreditations.

What you get with our PVCu Systems

Peace of MindImproved SafetyEnergy SavingsA-RatingQuiet & ComfortDurabilityLow MaintenanceEco benefits


By investing in our high security window and door products you’re making a big step towards a secure home. Southern Glazing Systems windows and doors are designed, developed, manufactured and installed to meet or exceed current British Standards.


Our windows and doors are fitted with ultra-secure multipoint hook locking systems, providing the highest levels of security and delivering total peace of mind.

We use top quality branded hardware. Our handles, locks, chains and letterplates are engineered to the highest specification – giving you further reassurance that your windows, door or conservatory will keep unwanted visitors out.

All our windows and doors are internally beaded and have concealed hardware creating a virtually impenetrable barrier to the elements and tough access for intruders.

safetyKeeping your family and your possessions safe are our top priority – the style comes as standard.

We offer optional features, which give restricted opening for child safety, as well as quick and easy fire escape opening from upstairs rooms.

energyEnergy bills are on the increase, environmental concerns are higher on the agenda than ever before and building regulations are becoming more demanding every year. Choosing the right replacement windows and doors can help you contain and conserve heat within your property, making your home more energy efficient and reduce heating costs.

Southern Glazing Systems Conservatories, Windows and Doors are are proven to help keep the warmth inside your home whilst keeping the cold out and any heat loss to a minimum – all this will help reduce your heating costs significantly.

The cost saving made from reduced fuel bills outweigh the investment cost over the life expectancy of the window.

energy-efficiencySouthern Glazing Systems offer “A” rated windows as standard.
Window Energy Ratings (WER’s) were introduced to provide consumers with a clear and simple comparison between the various window products. The system follows a similar rainbow label that you might be familiar with on white goods, so you can easily understand the level of thermal performance of new windows using categories of A B C D E of Energy Efficiency. The NEW A+  Window Energy Rating is achievable with some of our glazing options.

We also offer the next stage in energy efficiency: Triple Glazing. Our Triple Glazing now offers a 40% energy saving over our current A-Rated Double Glazing.

acousticA quieter home
Double glazing is well known for its ability to reduce outdoor noise levels and new windows can help bring down the noise levels in your home by as much as a half, making your home quiet and serene, even if you live close to main roads or the airport.

A more comfortable home
Energy-efficient glazing reduces heat loss through windows and means fewer draughts and cold spots.

Reduced condensation
Energy-efficient glazing reduces condensation build-up on the inside of windows when vented.

weatherOur range of PVCu windows, doors and conservatories are all are designed for the UK market and ideal for the damp Manx weather. Unlike traditional timber windows, our products do not, peel, crack or warp, no matter what the weather throws at them. The PVCu frames will not swell or rot, and  provide excellent resistance to air and water.
maintenanceReplacement windows, doors and conservatories manufactured from PVCu profile contain a unique compound that guarantees a smooth, high gloss finish meaning they retain their pristine appearance for years to come. This also means that they will never warp, rust or rot and, of course, there’s no need for painting, just a quick clean with warm, soapy water – even with foil colours.
ecoA smaller carbon footprint
By using less fuel, you’ll generate less of the carbon dioxide that leads to global warming – typically, 680kg a year.

Our PVCu profiles have the ability to create a carbon neutral dwelling by adding triple glazing.

Recyclable materials
The brands we offer are designed and manufactured with great effort to ensure that the life cycle of the products have minimal impact on the environment. Thanks to recent advances in recycling, PVC-U windows and doors are the first choice material for sustainability too.