Bay Windows NW Ltd
Avantis locking technology
Advanced locking options include shootbolts and patented mushroom-cam locking technology.
Window replacements
Replacement uPVC windows for your home
Choose the layout around the room, not just the photograph. A casement design, flush appearance or bay arrangement changes the frame proportions and the way the window opens. Tell us which rooms you are updating and whether you want to retain the existing design or make a change.
Free window estimate →Choose the layout around the room, not just the photograph. A casement design, flush appearance or bay arrangement changes the frame proportions and the way the window opens. Tell us which rooms you are updating and whether you want to retain the existing design or make a change.
Make the specification clear
Discuss opening panes, frame finish, clear or privacy glass and any ventilation concerns. If acoustic or thermal performance matters to your decision, ask for figures for the exact proposed product and glazing combination. Different specifications can perform differently; do not assume every option shown in a gallery has the same rating.
From approximate sizes to an installation plan
Approximate overall dimensions help with the first estimate. A survey checks final sizes, the condition of the opening, access and installation requirements before manufacture. Ask the team to confirm what the price includes, including fitting, removal and finishing work, in writing.
Window Colour & Finish Options
Illustrative finish ideas. Exact foils and profiles depend on selected products.
Designed around your home
From a single window replacement to a complete home makeover, our work includes modern uPVC casement windows, traditional styles, bay windows, coloured frames and doors to match.
- Replacement uPVC and double-glazed windows
- Bay windows and larger installations
- White, grey and woodgrain frame options
- Made-to-measure survey and professional fitting
Window inspiration
Illustrative photographs, not verified Bay Windows installations.
Replacing several windows?
Ask about a whole-house window estimate with options tailored to your property.
Window inspiration
Explore replacement windows
Examples of uPVC, flush casement, traditional bay and contemporary window styles. Product availability and finishes are confirmed when we prepare your estimate.
Transformation gallery
Bay windows — before, during and after
See the fitting process and the finished result.
Colour & style inspiration
Find the look for your home
Explore colours, glazing and layouts, then ask us about available options for your property.
Window styles & finishes
White, anthracite grey, Chartwell green, rosewood and black
Emplas window technology
Security, build quality and reassurance
Our supplier Emplas offers advanced Profile 22 windows with a choice of hardware and security enhancements. We help you select a suitable specification for your home.
Kubu smart sensors
Compatible hardware configurations can support optional Kubu smart monitoring; ask about compatible sensors and packages.
Security and certifications
Selected systems and specifications can achieve PAS24 / Secured by Design performance. Manufacturer certification and accreditation are not separate Bay Windows NW Ltd certifications.
Features, ratings and security standards vary by product, glazing, hardware package and certification scope. Please confirm your chosen specification.
Request your free estimate →Profile 22 and specialist glazing
Energy-efficient window choices
Choose windows to suit the character of your property, your ventilation needs and your energy-efficiency priorities.
Profile 22 casements
70mm PVCu casement windows with chamfered or sculptured profiles; side- and top-hung options and a broad range of foil finishes.
Tilt-and-turn & reversible styles
Ask about tilt-and-turn and fully reversible designs for practical ventilation, cleaning access and particular property layouts.
Double & triple glazing
Selected Profile 22 configurations can reach U-values as low as 0.87 W/m²K triple glazed, with energy ratings up to A++ triple glazed or A+ double glazed.
Published performance figures apply to qualifying product configurations and are not a guarantee for every window or installation.
Request your free estimate →Optional glazing upgrades
Integral Venetian blinds — Uni-Blinds® SL20SV+
Keep Venetian blinds protected inside the insulated glazing unit, with convenient magnetic-slider operation for privacy and light control.
Easy everyday control
A discreet magnetic slider operates the blind, allowing it to be raised, lowered and tilted.
Protected within the glass
Blinds are sealed within a suitable double-glazed unit, reducing routine blind cleaning and contact damage.
Glazing and warranty options
The manufacturer's SL20SV+ range offers compatible glazing choices and a stated five-year product guarantee, subject to its terms.
Availability, unit thickness, glazing compatibility and warranty are subject to the supplier's final specification.
Request your free estimate →