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Window types break down into six main styles that suit different properties and priorities. The right choice depends on the architectural character of the building, what matters most to you out of ventilation, light, security and aesthetics, and the budget you’ve set for the project.
We supply and fit all six window types across an 80 km radius of our Rushden showroom. Available in uPVC windows, aluminium windows and wooden windows construction, with the full RAL colour palette and double glazed or triple glazed sealed units as standard.
Casement windows are the most popular UK window style and account for the majority of new window installations across the country. The sash hinges at the side and opens outward like a door, operated by a crank handle or push opener depending on the spec.
The casement design delivers a tight perimeter seal when closed, which translates to good thermal performance and minimal air infiltration. When open, casement windows give excellent ventilation and unobstructed views. The hinge can be top, side or bottom-mounted depending on how you want the window to operate.
Best for modern homes, post-war properties, 1930s semis and any property where a traditional sash or bay isn’t required. Available across uPVC, aluminium and wooden frame materials.
Sash windows have two framed glass sashes, one above the other, that slide vertically to open and close. The sliding sash design is a defining feature of British residential architecture from the 1700s onwards, and remains the right choice for Victorian, Edwardian, Georgian and period properties.
Modern sash windows reproduce the traditional heritage look with current thermal performance, multi-point locking and easier maintenance. Available in uPVC for budget-conscious heritage installations, in timber for listed buildings and conservation areas requiring authentic materials, and in aluminium for contemporary takes on the traditional sash aesthetic.
Sliding sash windows can be configured as single hung (only the lower sash moves) or double hung (both sashes slide). Double hung is the more common UK configuration because it gives ventilation flexibility from top and bottom.
A bay window projects outward from the wall, creating additional internal space and bringing more daylight into the room. The angled projection (typically 3 or 5 sections at 30 or 45 degree angles) gives the room a wider sense of space and creates a natural alcove for window seats, reading nooks or display shelving.
Bay windows are a defining feature of Victorian and Edwardian terraced housing, particularly on front elevations. Modern bay-fronted homes often have bay windows on the ground floor only or on both ground and first floors.
The structural requirements for bay window installation are more complex than for flat-fronted windows, since the bay needs full structural support above the glazing. Our installation team handles all the structural work as part of the bay window project.
Tilt and turn windows offer dual functionality from a single handle. Turn the handle to one position and the window tilts inward from the top, giving secure ventilation without the sash opening fully. Turn the handle further and the window opens inward like a casement, for full access and easy cleaning of the outside glass from inside.
The tilt and turn design is particularly popular in apartments, flats and contemporary properties where the inward-opening sash doesn’t conflict with external furniture, planting or balconies. The dual-action also makes tilt and turn windows the preferred fire-escape window in upper-floor installations.
Tilt and turn windows are typically more expensive than casement equivalents because of the more complex hardware needed for the dual-action operation. The trade-off is the operational flexibility and the easier cleaning access for upper-floor installations.
Flush casement windows are a variant of standard casement design where the sash sits level (flush) with the frame when closed, rather than sitting proud of the frame. The smooth understated appearance reproduces the traditional flush sash look that timber casement windows have historically had, in modern uPVC, aluminium or contemporary timber construction.
Best for period properties wanting the traditional flush appearance, conservation areas requiring sympathetic window design, and contemporary properties going for a clean minimalist aesthetic. Authentic woodgrain foil finishes are popular on uPVC flush casement windows where the traditional timber appearance is the priority.
The flush casement profile typically uses internally-chambered uPVC for thermal performance, with the Profile22 system from Emplas being one of the popular UK options for this window style.
Bow windows are similar to bay windows but project outward in a curved arc rather than an angled bay. The curved face uses 4, 5 or 6 sections of glazing at small angles to each other, creating a gentle bow rather than a hard-edged bay.
Bow windows suit Victorian and Edwardian terraced properties where the original window was bowed rather than bayed, and modern properties wanting a softer rounded projection from the front elevation. The structural requirements are similar to bay windows and the installation process is comparable.
Secondary glazing windows aren’t a window type in their own right but a system added inside an existing window to deliver double glazing performance without replacing the original frame. Best for listed buildings, conservation areas, and properties where original timber sash windows can’t be replaced under planning rules but where thermal and acoustic performance needs improving.
Secondary glazing adds a second glazing pane on the inside of the existing window, with a sealed air gap between the original glass and the new pane. The thermal and acoustic improvement is comparable to upgrading to standard double glazing, without disturbing the external appearance of the original window.
Roof windows and skylights bring daylight into loft conversions and rooms with limited wall windows. The skylight window category covers both fixed roof lights and opening roof windows, with the Velux brand being the most-recognised UK supplier. Best for loft conversions, extensions with limited natural light, and properties wanting more daylight into central rooms.
Dormer windows project vertically from a sloping roof, creating standing-height space in loft conversions. Common on Victorian and Edwardian properties and on modern loft conversions where standing room under the eaves is a priority.
A transom or transom windows sit above doors or other windows as a fixed glazed panel. Used to bring daylight into entrance halls, above tall doors, or above standard windows where extra height is wanted in the glazing.
A french window is a hinged window configuration that opens inward like a casement but with the proportions and detailing of a French door reduced to window scale. Popular for first-floor balconettes and Juliet balconies where a window-sized opening reads as a small set of French doors. Available across uPVC, aluminium and timber construction.
A round window or porthole-style design suits Edwardian properties, Arts and Crafts homes and contemporary statement projects. Louver windows have multiple horizontal glass slats that pivot for ventilation, used historically in bathrooms and kitchens but less common in modern UK installations.
A bathroom window typically needs privacy glass, opening capability for steam ventilation, and waterproof seal performance. A kitchen window often pairs with a sink underneath, needs reach-over operation, and may include ventilation grilles for cooking steam.
Storm windows are an older term for protective outer glazing layers, less common in modern UK installations but still occasionally specified for exposed coastal properties. Basement windows often use double pane construction in smaller window units, with security upgrades for properties where the basement window sits at ground level.
Single hung window configurations have one moving sash (typically the lower one). Double hung window configurations have both sashes moving. Double hung is the more common UK sliding sash configuration.
Custom windows cover any made-to-measure configuration outside the standard sizes. Specified for non-standard openings, period property restorations matching original window dimensions, and architectural projects with unique specifications. Lead times are typically 2 to 4 weeks longer than standard window orders.
Each window type is available across three main frame materials.
The most popular UK window material. Multi-chamber profiles deliver good thermal performance. Multi-point locking handles security. Available in white, the full RAL palette and wood-grain foils. Typically the most affordable frame material.
The premium contemporary choice. Slim sightlines, powder-coated finish that lasts 25+ years, and the strength to handle larger panes than uPVC can. Best for modern properties and contemporary renovations.
Authentic timber for period properties, listed buildings and conservation areas. Engineered timber stays flat over decades. Available in the full RAL palette plus natural stains and oils. Needs periodic re-oiling or re-painting on exposed elevations every 5 to 7 years.
The standard UK glazing spec. Two glass panes with a sealed air gap, typically argon-filled for thermal performance. Available across every window type and frame material in our range.
The upgrade option. Three glass panes with two air gaps, delivering 25 to 30% better thermal performance than double glazing. Best for exposed elevations, properties near busy roads, and homes wanting maximum thermal efficiency.
Standard across our double and triple glazed units. The microscopic metallic coating reflects heat back into the room in winter while letting solar gain through in summer, improving thermal performance without darkening the glazing.
Stained glass windows are popular for period property restorations, churches, and contemporary properties wanting decorative glazing. Modern stained glass options include traditional leaded designs, contemporary stained glass effects achieved through film-applied colour, and made-to-order decorative panels.
For homeowners not replacing the full window but just the glazing, window glass replacement covers swapping out broken or failed sealed units while keeping the existing frame. Window glazing replacement is the more common modern term, since most failures happen in the sealed unit rather than the glass alone.
For window installers near me, glaziers near me, double glazing near me and window companies near me searches in Northamptonshire and surrounding counties, our Rushden-based team covers an 80 km radius with FENSA-registered installation, free home surveys and itemised quotes.
We’re one of the established window companies in the region, with installation experience across Victorian, Edwardian, 1930s semi, post-war and modern new build properties. The team handles everything from single-window replacements through to full-house window swap projects.
Window replacement is one of the most common UK home improvement projects, with around 3,800 monthly searches for window replacement and 3,300 for window replacement cost. The typical UK window replacement cost runs £400 to £800 per window fitted for uPVC, £700 to £1,200 for aluminium and £900 to £1,800 for wooden windows.
Replacement windows near me searches are best served by local installers like Homeefe across the Northamptonshire installation area, where the team can survey the property, advise on the right window style and spec for the building, and handle the full installation including FENSA certification.
The sightlines, operating action and finish quality on different window types are easiest to judge in person. Our Rushden showroom has full-size samples across casement, sash, bay, tilt and turn and flush casement window types in uPVC, aluminium and wooden construction.
Free no-obligation quotes and free home surveys across the 80 km installation area covering Northampton, Bedford, Milton Keynes, Kettering, Cambridge, Peterborough, Rugby and Hemel Hempstead.
The main types of windows used in UK homes include casement windows, sash windows, bay windows, bow windows, tilt and turn windows and flush casement windows. Other specialist options include skylight windows, dormer windows, transom windows, round windows and louvre windows. The best choice depends on the property style, ventilation needs, planning restrictions and the look you want to achieve.
Sash windows are often the best window type for traditional British homes, especially Victorian, Edwardian and Georgian properties. Flush casement windows are also a strong choice for period-style homes because they offer a clean, heritage-inspired appearance while still providing modern insulation, security and low-maintenance frame options.
Yes. Casement windows are one of the most practical and versatile window types for everyday use. Their side-hinged design provides good ventilation, strong weather sealing and reliable thermal performance. They are available in uPVC, aluminium and timber, making them suitable for modern homes, extensions and many traditional properties.
Tilt and turn windows offer two opening options in one frame. The tilt position allows secure ventilation without opening the window fully, which is useful for upper floors, apartments and family homes. The turn position opens the window inward, giving easier access for cleaning and maximum ventilation when needed.
Yes. Secondary glazing can be a good option for older properties, listed buildings and homes in conservation areas where full window replacement may not be suitable. It adds a second pane of glass inside the existing window, helping to improve warmth and reduce outside noise while keeping the original external appearance of the property.
Bay windows project outward from the wall using angled sections, commonly with three or five panes. Bow windows also project outward, but they use more sections to create a softer curved shape. Bay windows are often associated with Victorian and Edwardian homes, while bow windows create a more rounded appearance and can suit both traditional and modern properties.
Yes. Double glazed windows are worth it for most UK homeowners because they improve insulation, reduce draughts, help lower outside noise and can make the home more comfortable throughout the year. They are a major upgrade from single glazing, and triple glazed windows may offer further benefits for exposed locations or homes where maximum thermal performance is important.
Yes. Sash windows are available in modern uPVC, aluminium and timber designs. uPVC sash windows are a popular choice for homeowners who want a traditional Victorian or Edwardian look with improved insulation, modern locking systems and easier maintenance than original timber sash windows.
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