Unlike standard casement windows where the sash protrudes, flush fit windows sit level within the outer frame, creating a neat, heritage-style finish. At Trinity Windows, they are a popular choice for cottages, character homes, and homeowners wanting a more refined appearance.

Rehau’s advanced multi-chamber profile system allows Rehau Rio Flush Fit windows to achieve A-Rated energy performance, helping reduce heat loss and improve insulation.

This keeps your home warmer in winter, cooler in summer, and helps lower energy bills. Our expert team at Trinity Windows ensures every window is installed to deliver maximum thermal efficiency.

insulation, helping to reduce heat loss and improve overall comfort.

Many homeowners upgrading from older double glazing or timber frames notice:

• Reduced draughts and cold spots
• Lower heating bills
• A warmer home in winter
• Less outside noise
• Improved overall comfort

At Trinity Windows, we ensure every installation is fitted correctly to maximise energy efficiency and performance.

Unlike timber frames, Rehau Rio flush fit windows won’t rot, warp, or need repainting. With only occasional cleaning required, they stay looking great for years.

All A-Rated Rehau Rio Flush Fit windows installed by Trinity Windows are fitted with modern multi-point locking systems and secure hardware, giving you confidence that your home is well protected.

Designed to withstand UK conditions, Rehau Rio Flush Fit windows provide excellent resistance to wind, rain, and draughts, keeping your home comfortable all year round.

Rehau Rio Flush Fit windows are available in a wide choice of colours and finishes, including classic white, contemporary greys, and realistic woodgrain effects that replicate traditional timber.

With Trinity Windows, you can customise your A-Rated windows with:

• Decorative glazing options
• Georgian or astragal bars
• A range of handle and hardware finishes
• Multiple opening styles and configurations

We help you choose the perfect design for your home.

A-Rated Rehau Rio Flush Fit windows installed by Trinity Windows are ideal for:

• Period property renovations
• Cottage-style homes
• Heritage-sensitive locations
• Modern developments needing traditional character
• Homeowners replacing older timber or uPVC windows

Our experienced installation team takes pride in delivering high-quality workmanship with minimal disruption. From survey to final fitting, Trinity Windows ensures your A-Rated Rehau Rio Flush Fit windows are installed to the highest standards.