Secondary glazing Cambridge – Alternative solution
Our alternative secondary glazing service in Cambridge provides triple-glazing window insulation without the need for extra secondary framing.
Vacuum Glazing: A Modern Solution for Window Upgrades
Vacuum glazing stands as an innovative substitute for all conventional secondary glazing techniques.
Our method involves integrating vacuum glazing into the existing sashes of classic sash windows.
The vacuum layer serves as a superior insulator, providing thermal and acoustic insulation benefits comparable to triple glazing, yet with significantly less bulk. This method preserves the window’s original look.
Hinged / Fixed
Evaluating Glazing Options
Assess the distinctions between sash window secondary glazing and our double-glazing retrofit service.
In contrast to secondary glazing, the retrofit approach for double glazing ensures that the window’s original functionality is retained, eliminating additional maintenance or cleaning requirements.
Add second framing from the inereor side
Look sleek as orginal window.
Listed builsing approval
Does not need a permission
90% approval rate
1.7 W/m²K – 2.7W/(m²K)
0.48 – 0.7W/(m²K) same as triple glazing
30dB – 45dB Depending on air gap between the existing primary window and the new secondary glazed unit.
35 dB – 39 dB
Cost (Materials and installetion)
£500 – £2200 By installing secondary glazing, you will need to allocate a separate budget for sash window maintenance, whereas reglazing encompasses the cost of sash window refurbishment.
£1500 per avarage window Price includes window frame restoration, draught-proofing, VIG glass cost of production and installation, painting.
Cost of refurbishing existing window frames
no included in secondary glazing price
Included in the price
78% – 79%
Additional glazing adds additional security.
Effective glazing solutions for Grade 2 Listed and conserve area buildings
The success rate for obtaining permission to replace window glass in listed buildings is remarkably high, with approvals exceeding 90%.
This impressive approval percentage is attributed to our window replacement service’s adherence to the standards and regulations specific to listed buildings.
Key features of our service that align with these heritage standards include:
- We preserve the original Georgina glazing bars while fitting new glass in.
- Utilization of VIG glazing, notable for its slim profile, allowing integration into current window sashes.
- Vacuum glazing is renowned for its durability, with a lifespan exceeding 25 years.
- Comprehensive restoration of wooden frames is part of the reglazing process.
An extensive guarantee covers all elements of our reglazing service, providing peace of mind.
Guarantee on paintwork
Guarantee on VIG glazing
Guarantee on repairs made with Accoya
How much does it cost?
Upgrading classic sash windows with toughened (5x stronger than regular glass) vacuum-insulated glass (VIG) for double glazing typically comes at an approximate cost of £1700 per window.
Breaking down the expenses, the VIG glass and reglazing services amount to £800.
Draught-proofing ranges between £300 and £360, while rejuvenating and painting the window frame and sashes costs around £600.
This comprehensive pricing encompasses the installation of VIG, draught-proofing, and complete refurbishment of both the frame and sashes.
This often aligns with or even falls below the pricing for high-quality secondary glazing solutions for heritage structures.
What’s included in our double glazing service in Hertfordshire
Double glazing retrofitting
Supply and installation of Vacuum Double-Glazing
Window frame restoration
Restoration and rot repair for window frames and sashes
Installation of draught-proofing seals
Painting of wooden window frames
Explore the Remarkable Efficiency of Vacuum Glazing
Our thermal imaging photos showcase the exceptional performance of vacuum-insulated glass installed in wooden windows.
Notice the minimal heat loss, demonstrating the superior insulating properties of VIG glass.
These images vividly illustrate how VIG glass transforms traditional windows into energy-efficient marvels, ensuring your comfort while reducing energy costs.