Product prices & optional extras
Supply-only planning guides including VAT. Free nationwide delivery. Final specification and availability require confirmation.
Pricing basis & optional extras. Installation quoted separately.
Understand your options
| Choice | What to consider |
|---|---|
| Side-hung opening | Check the swing, handle reach and external obstructions. |
| Top-hung opening | Review the opening position and suitability for the room. |
| Fixed light | Provides glazing without an opening; consider ventilation elsewhere. |
| Profile appearance | Compare chamfered or sculptured details and the visible frame around each pane. |
Build the elevation around useful openings
Decide which panes need to open before choosing a symmetrical pattern. A fixed centre with opening sides behaves differently from several opening lights. Mark the handle positions and the route for cleaning. The same overall frame size can provide quite different visible glass area depending on the divisions.
Standard does not mean identical
Casement systems vary in frame shape, joints, reinforcement and glazing options. Compare the actual system and fabrication, not a generic white-window photograph. Include restrictors, handles and any required ventilation components on the proposed elevation so their appearance is known before ordering.
Compare the finished installation
For replacements, show the supplier the existing sill, reveals and opening sections. Ask whether trims, removal, disposal and decoration are included. Have room-specific safety, ventilation and escape requirements established for the project; a side-hung label or catalogue size does not prove suitability.
Apply it to your project
A kitchen has a tap directly in front of the window. An outward-opening casement may avoid the inward sash clash of a tilt-and-turn design, but the exterior swing and safe cleaning method still need checking. The tap, handle and opening light should appear on one sketch.
Questions before you choose
What is a stormproof casement?
It commonly describes an overlapping sash appearance, contrasting with a flush sash. Confirm the section rather than relying only on the marketing label.
Should every pane open?
Only where the room and project requirements call for it. Compare operation, glass area and price for the proposed arrangement.
Research references
Manufacturer and technical references checked 12 October 2026. They establish market options, not a Bifoldsandmore supply partnership or a specification for your opening.
