Specialists In Acoustic and Thermal Insulation-Secondary Glazing IN NORTH LONDON, SUFFOLK, HERTFORDSHIRE AND ESSEX
Secondary Glazing Colchester, Essex
Manufacture to installation, we're here for you with secondary glazing in Colchester, Essex.
Secondary glazing is the addition of a slim window that fits inside the existing window. It's proven to cut the cost of your energy bill and reduce heat loss.
Create a cosier, more cost-effective home for you and your family, with NRG Glass. Enquire today about our secondary glazing in Colchester and Essex.
What are the Benefits of Seconday Glazing?
Wondering how secondary glazing can benefit the modern home? Here are the key benefits:
The elimination of cold draughts
Better sound insulation
Increased home security
To further discuss the benefits of seconday glazing, get in touch with the NRG Glass team.
Secondary Double Glazing Colchester, Essex
We make houses into homes with our secondary double glazing in Colchester, Essex.
We make homes more cost-effective, warmer and secure with our styles of secondary double glazing.

Horizontal Sliding

Vertical Sliding

Lift Out

Fixed/Hinged
UV Protection
We can also glaze the secondary glazing with 6.4mm laminated glass, this will block 99% of UV rays coming into your home, which will stop your furniture fading blinds going brittle etc.

As one of the leading Essex secondary glazing manufacturers and installers, our services are customised to meet your specifications and our products are second to none. We use an efficient sealing mechanism, which is effective in keeping the cold out and the heat in by providing a thermal insulation to your home, office or listed building.
Window Styles Available
Fixed
Hinged
Lift Outs
Horizontal Sliders
Counter Balanced Sliders
Easy Clean Tilt-in Counter Balanced Verticals.

Contact us today and Request a FREE No obligation quote.

Insulation

Soundproofing

Condensation

Listed Buildings
Frequently asked questions
How effective is secondary glazing?
Secondary glazing is a highly cost-effective solution to insulating and soundproofing your windows; that is what makes it so popular. If you’re looking for quality secondary glazing in Colchester, Essex, contact NRG Glass for the most effective secondary glazing you can find.
Is secondary glazing soundproof?
Whilst not completely soundproof, secondary glazing does provide a significant reduction in noise. The larger air space created by secondary glazing decouples the movement of the inner and outer glass, which means they act as separate barriers, thereby reducing resonance and performing better than standard sealed unit double glazing.
What is secondary glazing?
Secondary glazing consists of two or more glass window panes that are separated by a space. This space reduces heat transfer across the part of the building.
Secondary glazing is a cost effective and efficient way of improving the heat retention, sound reduction and security of a window. This type of glazing is becoming increasingly popular for all modern homes.
Our Testimonials

I just wanted to say thank you for supplying and installing our secondary glazing. The windows are hardly noticeable but have done wonders for reducing the road noise. I found your service, friendly, efficient and reliable and would definitely recommend you
Many thanks, Katy

We would highly recommend this company. We only had half our cottage fitted, but already booked to have the rest fitted. It has made a huge difference to our draughty cottage. Very pleased with the price and quality of the product and fitting.
Mr Wase, Essex

Would highly recommend NRG Glass after having all the windows in our house fitted with there modern secondary glazing system.
Mr Parish, Essex

Found Them Honest And Reliable, A Good Family Company. Pleased I Found This Company.
Adrian C