FAQs

We offer professional window seal replacement services that restore your double glazing's insulation and prevent drafts effectively. Our approach includes:

• Assessing the extent of seal failure, including condensation and drafts
• Using premium seal materials compatible with your window frame type (uPVC, wood, aluminium)
• Ensuring airtight sealing to trap insulating gases like argon
• Providing a warranty-backed, expert installation to extend window lifespan

Replacing seals typically costs between £150 and £500 per window depending on size and location. We recommend professional replacement to guarantee proper installation and maintain your window warranty. Learn more about window seal replacement and signs of failure on our site.

We specialise in replacing failed glazing units in conservatory windows without removing the entire frame. Our process includes:

• Inspecting the glazing unit for seal failure signs such as condensation or fogging between panes
• Removing the faulty glazing unit carefully to preserve the existing frame
• Installing a new, energy-efficient double or triple glazed unit with proper sealing
• Ensuring airtightness to prevent drafts and moisture ingress
• Offering expert advice on maintaining your conservatory windows to prevent future failures This approach saves you money and disruption compared to full window replacement. For tips on preventing condensation and maintaining conservatories, see our guide How to Prevent Condensation in a Conservatory.

We repair blown double glazed units in uPVC windows by replacing only the faulty glazing unit while preserving the existing frame. Our method includes:

• Diagnosing seal failure indicated by condensation or fogging between panes
• Removing the damaged sealed unit carefully to avoid frame damage
• Installing a new double or triple glazed unit with proper spacer bars and airtight seals
• Using materials compatible with uPVC frames to prevent future seal failures
• Testing for airtightness and thermal performance to restore energy efficiency This targeted repair saves you money and disruption compared to full window replacement. For detailed information on glazing units and seal failures, visit What Is a Glazing Unit? Key Benefits for Homes and Window Seal Failures: 5 Types & 10-Year Lifespan Guide.

Glazing bars enhance the visual character of your windows without significantly reducing energy efficiency.

• They are strips dividing window panes into smaller sections, available in timber, aluminium, or composite.
• Modern low-conductivity materials minimize thermal performance impact.
• They help maintain period authenticity for heritage properties.
• Some glazing bars sit inside sealed units, making them easier to clean.
• Learn more on our Glazing Bars: Impact on Window Style and Efficiency page.

Glazing bars are strips dividing window panes into smaller sections, and modern glazing bars have minimal impact on energy efficiency.

• They can be made from timber, aluminium, or composite materials.
• Modern low-conductivity materials reduce thermal transfer.
• Glazing bars contribute to period style without sacrificing insulation.
• Through-bars inside sealed units are easier to maintain and keep clean.
• Choice depends on your home's character and personal preference.

Explore glazing bar types and myths on our Glazing Bars: Impact on Window Style and Efficiency page.

We specialize in glazing unit replacement, which means we can replace the glass component of your window without needing to replace the entire frame.

• We remove and replace the faulty glazing unit independently from your existing frames.
• Our process restores your window’s insulation and appearance efficiently.
• This approach is often more cost-effective and less disruptive than full window replacement.
• We use high-quality sealed glazing units to prevent future condensation and energy loss.

Learn more about our glazing unit replacement service and how it can save you money and hassle here.