Fixed Window Cost
A non-opening window designed to allow light in while providing maximum energy efficiency and uninterrupted views.
Average Price Range
Energy Rating
Security Rating
Typical Lifespan
A non-opening window designed to allow light in while providing maximum energy efficiency and uninterrupted views.
Advantages
- Most energy efficient option
- No mechanical parts to maintain
- Maximum security
- Uninterrupted views
- Can be manufactured in custom shapes
Disadvantages
- No ventilation
- No emergency egress
- Cleaning outside surface can be difficult
Best Suited For
Areas where ventilation is not needed
Feature walls
High up placements
Alongside operational windows
Fixed Window Replacement Costs
The table below shows average replacement costs for Fixed Window windows of different sizes, including supply and installation. Prices may vary based on specification, glazing options, and your location.
| Window Size | Supply Only | Installation | Total Cost | Time to Install |
|---|---|---|---|---|
| Small (600 × 900mm) | £375 | £150 - £250 | £575 | 2-3 hours |
| Medium (1000 × 1200mm) | £650 | £200 - £300 | £900 | 3-4 hours |
| Large (1200 × 1500mm) | £1,000 | £250 - £350 | £1,300 | 4-5 hours |
| Extra Large (1800 × 2100mm) | £1,425 | £300 - £450 | £1,800 | 5-6 hours |
Cost Factors
Factors that increase cost:
- Triple glazing (+15-25%)
- Acoustic glass for noise reduction (+10-20%)
- Enhanced security features (+5-15%)
- Custom finishes or colors (+5-10%)
Ways to save on cost:
- Multiple window replacement discount (10-15%)
- Standard sizing rather than custom dimensions
- Off-peak installation (winter months)
- Comparing quotes from multiple installers
Cost Comparison by Material
Different materials affect both the initial cost and long-term value of your Fixed Window windows. Below we compare typical costs and benefits:
| Material | Price Range | Energy Efficiency | Lifespan | Maintenance |
|---|---|---|---|---|
| uPVC | £520 - £650 | Good (A-C) | 20-25 years | Low |
| Aluminum | £780 - £975 | Good (B-C) | 30-40 years | Low |
| Timber | £910 - £1170 | Good (B-C) | 30+ years | Medium-High |
| Composite | £1040 - £1300 | Excellent (A+) | 30-40 years | Low |
Long-Term Value Considerations
While uPVC is typically the most affordable option for Fixed Window windows, materials like timber and composite may offer better long-term value when considering lifespan, property value enhancement, and energy savings.
Initial Investment
uPVC offers the lowest upfront cost, while composite materials represent the highest initial investment.
Energy Savings
Composite and modern timber windows often provide the best thermal performance, resulting in higher energy savings.
Property Value
Timber and composite windows typically add more to property value, especially in period properties.
Key Features
Does not open
Maximum glass area
Best energy efficiency
Various shapes available
Opening Mechanisms
None
No opening mechanism - fixed window
Advantages
- Maximum security
- Best energy efficiency
- Simplest construction
Disadvantages
- No ventilation
- No emergency egress
- Cleaning exterior requires outside access
Maintenance
Maintenance Requirements
Very Low - just requires glass cleaning
Typical Lifespan: 30-40 years
Material Options
Excellent Compatibility
uPVC
Excellent Compatibility
Cost-effective for fixed panels
Aluminum
Excellent Compatibility
Allows for very slim frames and maximum glass
Good Compatibility
Timber
Good Compatibility
Traditional option, though cost-inefficient
Composite
Good Compatibility
Premium option with excellent performance
Installation Guide
Installing Fixed Window typically involves measuring the window opening, removing existing windows, preparing the opening, and installing the new window frame. Professional installation is recommended to ensure proper fitting, sealing, and functionality.
Installation Process
- Measuring - Accurate measurement of the window opening
- Removal - Careful removal of existing windows
- Preparation - Clean and prepare the window opening
- Installation - Position and secure the new window frame
- Sealing - Apply proper sealing to ensure weatherproofing
- Finishing - Complete internal and external finishing work
- Testing - Check operation and make adjustments
Professional Installation
Professional installation ensures proper fitting and sealing
Installers have the right tools and equipment for the job
Installation typically takes 1-2 days depending on the number of windows
Professional installation often includes warranty and after-service