Window features

Windows Features

Choosing the right specification

There is more to a window than the frame and glazing. Hardware, glass, colour, security and energy performance all affect how the finished product works and looks.

This page covers the main options available across the Homeefe range and where each one may be useful. We install across Northamptonshire and surrounding areas within around 50 miles of our Rushden showroom.

Window features at a glance

Depending on the chosen style and system, available features include:

  • Glass range covering double glazing, triple glazing, Low-E glass, acoustic glass and decorative options
  • Window security with multi-point locking, internally beaded glazing and PAS 24-certified options on selected systems
  • Child safety features including restrictors and lockable handles on compatible configurations
  • Window colours with a wide choice of finishes, including RAL colours and wood-grain foils on selected systems
  • Window furniture including handles, hinges and locking hardware
  • Noise reduction options using acoustic laminated glass for properties affected by outside noise
  • Energy-efficient glazing with whole-window U-values around 0.8 W/m²K achievable on selected high-performance triple-glazed systems

Glass range

The glass used in a sealed unit affects thermal and acoustic performance, security, privacy and appearance.

Our glass range includes:

  • Double-glazed sealed units for standard modern installations
  • Triple-glazed sealed units where higher thermal performance is required
  • Low-E glass with a low-emissivity coating that helps reduce heat loss
  • Laminated security glass for improved resistance to breakage and forced entry
  • Acoustic laminated glass for properties affected by road, rail or aircraft noise
  • Pilkington Texture privacy glass with a choice of patterns across privacy levels 1 to 5
  • Stained glass for period properties and decorative applications
  • Toughened safety glass for locations where safety glazing is required


The choice of glass also affects how much natural light enters the room, the level of privacy and the overall appearance.

Window locking and child safety features

Locking systems vary by frame type and specification, but can include:

  • Multi-point locking securing the sash at several positions around the frame
  • Concealed locking components on compatible systems
  • Window restrictors limiting how far the sash can open
  • Lockable handles where additional control is required
  • Removable handle keys to help manage access in homes with young children


The exact security and safety options depend on the chosen system and window style.

Window colours

A wide range of colours and finishes is available, depending on the frame material and chosen system.

Options include:

  • Anthracite grey for modern new builds and renovation projects
  • Classic white for a clean, traditional finish that suits most property types
  • Matt black for strong contrast and a contemporary appearance
  • Chartwell Green for period properties and Victorian or Edwardian elevations
  • Heritage Cream for traditional cottages and rural properties
  • Oxford Blue for traditional townhouses and Georgian-style properties
  • Custom RAL colours where a specific shade match is required


Dual-colour finishes allow one colour outside and a different one inside on compatible systems. Wood-grain foils are also available on selected uPVC frames, giving a timber-style appearance with lower maintenance requirements.

For the full breakdown of options, see our window colours page.

Window furniture

Window furniture covers the hardware used to operate the window and the visible fittings on the frame:

  • Handles in matt black, polished chrome, satin steel, antique brass and satin gold finishes
  • Hinges in concealed and exposed configurations to suit the chosen style
  • Friction stays that hold casement sashes in a controlled open position
  • Crank handles where a winding mechanism suits the application
  • Sash fasteners and lifts for sliding sash styles, including traditional period designs
  • Restrictors that limit the maximum opening angle for child safety
  • Pull bars and finger grips for selected tilt and turn and contemporary systems


Marine-grade stainless steel, solid brass and PVD-coated hardware options are available where greater durability and corrosion resistance are required.

For the full range, see our window furniture page.

Noise reduction windows

Acoustic laminated glass can provide better sound insulation than standard glazing. The acoustic interlayer helps reduce sound transmission through the glass, while the overall result depends on the pane thickness, glass combination, cavity width, frame and quality of installation.

Noise reduction depends on the specification:

  • Standard double glazing provides better sound insulation than single glazing, although performance varies with the glass make-up
  • Triple glazing can improve noise insulation in some configurations, but is not automatically better than double glazing
  • Acoustic laminated double glazing can provide greater sound reduction, particularly when different glass thicknesses are combined
  • Higher-performance acoustic glazing can be specified where stronger noise reduction is needed


Noise-reducing glazing is particularly useful in bedrooms, living rooms and home offices where outside noise affects comfort, sleep or concentration. Homes near busy roads, railways, flight paths, schools or commercial premises may benefit most.

For more information, see our noise reduction windows page.

More on window features and ranges

Window Features FAQs

What window features does Homeefe offer?

Homeefe offers a range of options including double and triple glazing, Low-E glass, acoustic laminated glass, decorative and privacy glass, colour finishes, multi-point locking, lockable handles and security upgrades. Availability depends on the chosen frame material, style and system.

Which features matter most for energy efficiency?

Glazing specification, Low-E glass, frame design and weather seals all affect energy performance. Double or triple glazed sealed units help reduce heat loss, while effective seals can limit draughts. The best combination depends on the frame and chosen system.

What child safety features are available?

Depending on the system, options can include window restrictors and lockable handles. Restrictors limit how far the sash can open, while lockable handles give additional control where required. Availability depends on the style and configuration.

What colour options are available?

A wide range of colours and finishes is available, including classic white, anthracite grey, matt black, Chartwell Green and cream. Selected uPVC systems can also use woodgrain-effect foils, while dual-colour options may allow different finishes inside and out.

How can acoustic glazing reduce outside noise?

Acoustic laminated glass can improve sound insulation, but the result depends on glass thickness, cavity width, frame type, seals and installation quality. It can be particularly useful for homes near busy roads, railways, schools, commercial premises or flight paths.

Which security features should I consider?

Useful options include multi-point locking, strong hinges, lockable handles, internally beaded glazing, laminated security glass and reinforced frames where specified. The exact security package depends on the chosen system and configuration.

Can I customise the specification?

Yes. Many elements can be tailored, including glazing, frame material, colour, finish, handle style, locking system, privacy glass, decorative glass and acoustic glass. During the survey and quotation stage, we can go through the options available for your chosen system.

Do you install these options across Northamptonshire?

Yes. From our Rushden showroom, we install within around 50 miles, covering Wellingborough, Northampton, Bedford, Kettering, Cambridge, Peterborough, Corby, Milton Keynes, Rugby and surrounding towns.

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Energy-efficient windows

Energy-efficient windows reduce heat loss through the glazing and frame, helping to lower heating demand and improve comfort. The BFRC scheme rates overall energy performance from A++ to E.

Indicative whole-window U-values vary by frame, glazing and configuration:

  • Single glazed windows can have U-values around 4.8 W/m²K
  • Older double glazing can be around 2.8 to 3.2 W/m²K
  • Modern double-glazed systems can achieve around 1.2 to 1.4 W/m²K
  • High-performance triple-glazed systems can reach around 0.8 to 0.9 W/m²K


The lower the U-value, the less heat is lost through the complete unit. The biggest improvement is usually seen when older or poorly performing glazing is replaced with a modern system.

For more information, see our energy efficient windows page.

Window security

Window security is measured against recognised standards rather than general marketing claims. Depending on the chosen system and specification, our range can include:

  • PAS 24:2022+A1:2024-certified options tested for enhanced resistance to forced entry
  • Secured by Design-accredited options meeting the Police Preferred Specification
  • Multi-point locking securing the sash at several positions around the frame
  • Internally beaded glazing preventing the glass from being removed from outside
  • Laminated security glass that holds together when broken
  • Lockable handles available where additional security is required


A well-balanced security specification is more effective than relying on one component alone. The frame, glazing, hinges and locking hardware all need to work together.

For more on window security, see our window security page.

Window installation across Northamptonshire

We supply and fit windows within around 50 miles of our Rushden showroom, covering Northampton, Bedford, Milton Keynes, Kettering, Cambridge, Peterborough, Rugby, Hemel Hempstead and surrounding towns. Qualifying replacement installations are registered through FENSA, with certification issued after the completed work has been registered.

Feature availability varies by window style, frame material and chosen system, so not every option shown on this page is available with every configuration.

Free quote and home survey

The right window features depend on the property, budget and what matters most for the project. We go through the available options during the free home survey, and the itemised quote shows the cost of each chosen upgrade.

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By submitting your information, you consent to being contacted in accordance with our privacy policy.