Cost of New Box Sash Windows in 2025: A Transparent Guide

1. What Drives the Cost Up? Here’s what pushes prices toward the higher end: Premium Timber We use high-grade Redwood or Accoya timbers that resist rot and last for decades. Accoya alone carries a 50-year guarantee and boosts long-term value. Expect quality timber windows to start around £2,550 + VAT each. Bespoke Joinery Off-the-shelf windows are […]