Cost Comparison By Window Type
Find the perfect window style for your home by comparing features, benefits, and prices
About Window Types
Different window types offer distinct benefits in terms of appearance, functionality, and performance. The right window style for your home depends on factors like architectural design, ventilation needs, security requirements, and energy efficiency goals.
This guide compares the most popular window types in the UK market, helping you understand their features, advantages, and typical costs. Whether you're replacing existing windows or planning a new build, finding the perfect window type is essential for both aesthetics and practicality.
Quick Comparison
Most Energy Efficient
Fixed
Best Ventilation
Casement
Most Secure
Tilt
Most Traditional
Sash
Window Cost by Type
Casement Window
A casement window is hinged at the side and opens outward like a door, offering excellent ventilation and unobstructed views.
Advantages
- Excellent ventilation
- Good security when closed
- Energy efficient with tight seal
Best Suited For
- Most residential homes
- Kitchens and bathrooms
- Areas requiring good ventilation
Key Features
- Full opening for maximum ventilation
- Easy to clean from inside
- Excellent seal when closed
Energy Rating
A
Security
High
Ventilation
3.0/5
Price Range
£500-£1,500
Tilt and Turn Window
A versatile window that can be opened in two ways: tilted inward from the top for ventilation or turned inward from the side for full opening.
Advantages
- Versatile opening options
- Excellent security and insulation
- Easy to clean both sides from inside
Best Suited For
- Modern homes
- High-rise apartments
- Areas with limited outside access
Key Features
- Dual opening function
- Easy cleaning from inside
- Excellent security
Energy Rating
A+
Security
Very High
Ventilation
3.0/5
Price Range
£500-£1,500
Bay Window
A window space that projects outward from the main walls of a building, creating a bay in a room and increasing the flow of natural light.
Advantages
- Increases interior space
- Brings in more natural light
- Creates panoramic views
Best Suited For
- Living rooms
- Dining rooms
- Feature walls
Key Features
- Projects outward from home
- Creates additional interior space
- Multiple window panels
Energy Rating
B
Security
Medium
Ventilation
3.0/5
Price Range
£500-£1,500
Sash Window
A traditional window style consisting of one or more movable panels (sashes) that slide vertically or horizontally in the frame.
Advantages
- Traditional aesthetic
- No outward opening space required
- Good for period properties
Best Suited For
- Period properties
- Victorian and Georgian homes
- Conservation areas
Key Features
- Traditional appearance
- Sliding mechanism rather than hinged
- Available in single or double-hung styles
Energy Rating
B
Security
Medium
Ventilation
3.0/5
Price Range
£500-£1,500
Fixed Window
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
Best Suited For
- Areas where ventilation is not needed
- Feature walls
- High up placements
Key Features
- Does not open
- Maximum glass area
- Best energy efficiency
Energy Rating
A++
Security
Very High
Ventilation
3.0/5
Price Range
£500-£1,500
Awning Window
A window that is hinged at the top and opens outward from the bottom, providing ventilation while offering protection from light rain.
Advantages
- Can remain open during light rain
- Good ventilation
- Effective when space outside is limited
Best Suited For
- Bathrooms and kitchens
- Basements
- Above fixed windows or doors
Key Features
- Hinged at top, opens from bottom
- Can be left open during light rain
- Often used in combination with other windows
Energy Rating
B+
Security
Medium
Ventilation
3.0/5
Price Range
£500-£1,500
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