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If you are residing in Belfast and are planning to renovate your home, it is sure that you will be swamped with a lot of doubts. 

You could imagine yourself stuck with finding answers to questions like, what will be the average cost of replacing and repairing new windows and doors in your house, or how much will the double glazing cost you and so on? 

Well, do not burden yourself with surfing different quotations online, as we have curated a list of the average costs of home improvements for your house in Belfast. 

Understand the average costs associated with repairs, and replacements, while gaining insights into the top local companies specializing in double glazing in Belfast. 

The provided breakdown of costs for new windows and doors, as well as detailed information on glass-related products, serves as a valuable resource for those embarking on this transformative journey.

Let’s have a quick look at the Top Double-Glazing local window company in Belfast

Double-Glazing Local Window Company in Belfast:






Google Reviews


Carrolls Glass

6 Ballyoran Ln, Castlereagh, Dundonald, Belfast BT16 1XJ

+44 28 9048 1116



Costs Breakdown for Windows and Doors in Belfast:


Average Cost Range

New Windows and Doors

£3,000 to £15,000

Windows Glass Installation

£700 to £3,500 per window

Windows Glass Repair

£150 to £800 per window

Windows Glass Replacement

£1,200 to £6,000 per window

New Windows and Doors in Belfast:

Material Costs: £2,000 to £10,000. This estimate takes into account factors such as the type of material used (e.g., uPVC, wood, aluminum), the size of the windows and doors, and any additional features or customization.

Labor Costs: £800 to £4,000. Labor costs for installing new windows and doors can vary based on the complexity of the installation, the number of units, and local labor rates. This includes the cost of skilled professionals handling the installation, ensuring proper fitting, and addressing any necessary adjustments.

Overview of Glass Cost in Belfast:






Conservatory roof

£5,000 to £20,000

£500 to £1,500 per square meter

£100 to £500

£300 to £1,000 per square meter

Secondary glazing 

£1,000 to £5,000 per window

£300 to £600 per window

£50 to £200 per window

£200 to £400 per window

UPVC glazing

£500 to £2,500 per window

£300 to £800 per window

£50 to £200 per window

£200 to £500 per window

Sash windows

£1,500 to £7,000 per window

£500 to £1,200 per window

£50 to £300 per window

£300 to £800 per window

Window and Door 

£3,000 to £15,000

£300 to £1,200 per window/door

£200 to £500 per window/door

£200 to £1,000 per window/door

Key Considerations for Windows Glass Installation in Belfast:

01 Rain and Wind Resistance: Belfast experiences a maritime climate with frequent rainfall and occasional strong winds. When selecting glass for window installation, prioritize materials that are highly resistant to water ingress and wind-driven rain. Ensure proper sealing and framing to protect against moisture infiltration, enhancing the durability of your windows in Belfast’s wet and windy conditions.

02 Heritage and Architectural Harmony: Belfast is known for its rich architectural heritage, featuring a mix of historic and modern buildings. Consider the architectural style of your property and the surrounding area when choosing windows and glass. Strive for a design that complements the local aesthetic, especially if your property is located in a historic district. Balancing modern functionality with architectural harmony ensures that your windows integrate seamlessly into Belfast’s diverse urban landscape.

03 Security and Safety Standards: Prioritize the security and safety of your property by choosing glass that meets or exceeds safety standards. This includes considerations for impact resistance and toughened glass options. Ensure that the window installation adheres to local building codes and regulations related to safety glazing. By focusing on security and safety features, you enhance the overall well-being of your home in Belfast.

Maintenance Tips for Windows Glass in Belfast:

01 Protect Against Harsh Weather: Coventry experiences a range of weather conditions, including rain and occasional frost. Take steps to protect your windows during harsh weather. For instance, consider applying a protective coating to wooden frames to prevent water damage and ensure they withstand the elements.

02 Inspect and Clean Tracks: Regularly check and clean the tracks of sliding windows and doors. Dirt and debris can accumulate in these areas, affecting smooth operation. Use a vacuum or a brush to remove any buildup and ensure unobstructed movement.


In short, with the average quotations of home improvement and the overview of considerations for window glass installation you can make well-informed decisions. These considerations, along with maintenance tips, provide a comprehensive guide for homeowners seeking to enhance the functionality and aesthetics of their windows.

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