Product Comparisons
Flush Casement vs Standard Casement Windows
The short answer
In a flush casement, the opening sash sits flush with the frame, like a traditional timber casement. In a standard casement, the sash overlaps the frame. Flush looks more traditional; standard is usually more affordable.
Windows in the Dales editorial team · Published 25 September 2026 · Reviewed 25 September 2026 · Next review March 2027
Key takeaways
- Flush = traditional look
- Standard = lower cost
- Both come in several materials
On cottages and period homes, the flush profile often makes the most visible difference.
When it works well
- Flush on cottages and period homes
When it may not
- Standard on sensitive frontages