All sliding windows are white woodgrain uPVC Evolve sliding sash windows with chrome furniture. Front bedroom and lounge bay windows have vertical Astragal Georgian bars to match existing windows. All are A-rated with toughened glass argon gas filled sealed units. Run-through sash horns on all openers to maintain traditional look. Kitchen door and window are anthracite grey uPVC, woodgrain inside and outside with chrome furniture. Rehau profile.