5-Year Fix vs 2-Year Fix: 2026 Decision Framework — The biggest decision when locking a UK mortgage rate isn’t the rate itself — it’s the length. 2-year vs 5-year tradeoffs are constantly debated. Here’s the actual framework. The Numbers in 2026 Typical 80% LVR pricing: 2-year fix: 4.5–5.0% 3-year fix: 4.6–5.1% 5-year fix: 4.4–4.9% In …