Window Calculator Fixed Timber Window Cost Calculator Window Width (mm): Window Height (mm): Mullions: Transoms: Mullion Positions (e.g. 500 left, 300 right): Transom Positions (e.g. 300 top, 200 bottom): Rough Timber Width (mm): Rough Timber Thickness (mm): Finished Timber Width (mm): Finished Timber Thickness (mm): Beading Width (mm): Beading Thickness (mm): Finished Bead Width (mm): Finished Bead Thickness (mm): Glass Rebate (mm): Rebate Depth (mm): Timber Price per m³ (R): Timber Markup %: Glass Type: Glass Price per m² (R): Glass Markup %: Calculate
