St. James Windows providing high quality double glazing products coupled with customer care service that is second to none. We are specialists in all kinds of double glazing - UPVC, Aluminum and Timber windows and doors, based in Central London. Our representatives will take measurements, present you all possible solutions, give you professional advice, ease your decision and prepare your individual offer.
Our Windows frames come in two distinct styles- Ovolo which features a classic sculptured curve to the frame edge and Chamfered which has straight clean lines for a contemporary feel. Whichever you choose you can be guaranteed that you are fitting the best. Our windows, doors and conservatories roofline products are designed with more than great looks in mind.
Our unique formulation is built to last decades, not just years. Imagine an installation that stays looking young and fresh while your home and garden evolve around it. This enhances the natural character of its surroundings becoming part of a larger scheme yet bringing its own individuality.
Our Windows frames come in two distinct styles- Ovolo which features a classic sculptured curve to the frame edge and Chamfered which has straight clean lines for a contemporary feel. Whichever you choose you can be guaranteed that you are fitting the best. Our windows, doors and conservatories roofline products are designed with more than great looks in mind.
Our unique formulation is built to last decades, not just years. Imagine an installation that stays looking young and fresh while your home and garden evolve around it. This enhances the natural character of its surroundings becoming part of a larger scheme yet bringing its own individuality.
Services
At St. James Windows, we can help you design your perfect windows and show you what your home will look like.
Our windows come aesthetically designed to fit your home, so whether you pick a Tilt & Turn window, a Bay window or any other style from the options we have available, we guarantee a high quality product with lasting results.
Our UPVC Windows are certified A+ rated, Lead-free as standard and are made-to-measure for a perfect fit.
We use a Multi-Chamber profile that gives a higher thermal efficiency, with more barriers to prevent heat from escaping, keeping your home nice and warm.
Our windows come aesthetically designed to fit your home, so whether you pick a Tilt & Turn window, a Bay window or any other style from the options we have available, we guarantee a high quality product with lasting results.
Our UPVC Windows are certified A+ rated, Lead-free as standard and are made-to-measure for a perfect fit.
We use a Multi-Chamber profile that gives a higher thermal efficiency, with more barriers to prevent heat from escaping, keeping your home nice and warm.
Energy bills are on the rise, Environmental Concerns are at the top of the Agenda and Building Regulations are becoming more demanding year-on-year.
Choosing doors that offer better U-Values is a good option, and an even better option if it comes at a low cost.
With our lead-free, multi-chambered profile, patented co-extruded bubble gasket and other energy saving design features, you don't need expensive triple glazing to achieve the highest energy ratings - we can achieve excellent thermal efficiency with cost effective double-glazing.
Choosing doors that offer better U-Values is a good option, and an even better option if it comes at a low cost.
With our lead-free, multi-chambered profile, patented co-extruded bubble gasket and other energy saving design features, you don't need expensive triple glazing to achieve the highest energy ratings - we can achieve excellent thermal efficiency with cost effective double-glazing.
Our UPVC Conservatories reflect the latest advancements in Conservatory Technology.
With every UPVC Conservatories manufactured and installed in the UK, you will enjoy the benefits of having a highly professional installation team to install your dream conservatory roof, which can be used all year round.
Our 'U' value glass prevents against fogging between the panes of the UPVC double-glazed sealed units.
We offer a 15-year Guarantee on all our Conservatories, which most other companies don't offer.
With every UPVC Conservatories manufactured and installed in the UK, you will enjoy the benefits of having a highly professional installation team to install your dream conservatory roof, which can be used all year round.
Our 'U' value glass prevents against fogging between the panes of the UPVC double-glazed sealed units.
We offer a 15-year Guarantee on all our Conservatories, which most other companies don't offer.
At St. James Windows, our team of Expert Designers can assist you in designing your perfect Porch, incorporating your own colour and design requirements for the doors, UPVC frames and decorative glass to give you that warm and welcome feel to your home.
Porches are for creating a perfect stylish entrance for your home and with St. James Windows porches you can be assured that it will bring elegance and practicality to your doorstep.
Our range of porches and door canopies provide a stylish and practical way to keep the weather out.
Porches are for creating a perfect stylish entrance for your home and with St. James Windows porches you can be assured that it will bring elegance and practicality to your doorstep.
Our range of porches and door canopies provide a stylish and practical way to keep the weather out.
You're probably wondering how a microscopic coating on a pane of glass can make such a big difference to its performance.
This is how it works.
The glass in your windows absorbs heat then radiates it again on the colder, outside, surface.
Pilkington K Glasses has what is called a low emissivity coating on the surface that faces into the air gap of the double glazing unit.
Low emissivity means the coating is a poor radiator.
The heat absorbed by the coated glass is inhibited from radiating across the air gap and then from the outer pane to the cold outside world.
This is how it works.
The glass in your windows absorbs heat then radiates it again on the colder, outside, surface.
Pilkington K Glasses has what is called a low emissivity coating on the surface that faces into the air gap of the double glazing unit.
Low emissivity means the coating is a poor radiator.
The heat absorbed by the coated glass is inhibited from radiating across the air gap and then from the outer pane to the cold outside world.
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