About Sash Cost Guide

Sash Cost Guide provides verified cost data for sash window repair, restoration and replacement in the UK.

How we research

Calculator rates are verified against real contractor quotes from Check at trade, MyBuilder and FENSA-certified installers. All rates are date-stamped (current data: July 2026) and updated quarterly.

Editorial approach

Cost guides and calculators on Sash Cost Guide are AI-researched and verified against real contractor quotes from Checkatrade, MyBuilder and FENSA-certified installers. Rate data is date-stamped and updated quarterly. We don't accept paid placements.

Contact: [email protected]