Selecting the perfect back to wall toilet suite can transform your bathroom into a sleek, space‑saving haven. Yet many homeowners encounter avoidable missteps that can lead to extra costs, installation headaches or aesthetic mismatches. Here’s a guide to steer you clear of the most frequent pitfalls and ensure your new back to wall toilet enhances both form and function. 1. Overlooking Waste Pipe Alignment Pitfall: Many installers assume the waste outlet on a back‑to‑wall toilet will align neatly with existing plumbing. In reality, variations in pipe position — even by a few centimetres — can prevent a flush pan from fitting correctly. How to Avoid: Measure twice, buy once. Before ordering, confirm the distance from the finished wall to the centre of the waste pipe (also known as the P‑trap or S‑trap position). Check manufacturer specs. Reputable brands provide detailed dimensions for waste points; match these to your on‑site measurements.