Based on cost-of-living indices (Bristol 75 vs Cardiff 64, London = 100), £80,000 in Bristol has the same purchasing power as approximately £68,250 in Cardiff. Cardiff is 15% cheaper overall.
The equivalent accounts for the real cost of maintaining the same standard of living. Bristol rent averages £1,350/month versus £900/month in Cardiff — a £450/month saving. Beyond rent, Cardiff is overall 15% cheaper across groceries, transport, restaurants, and utilities (Numbeo COL index 64 vs Bristol's 75).
To achieve the same disposable income in Cardiff, you would need to earn £68,250 — calculated using Rightmove Q1 2026 rental data and HMRC 2025/26 tax rates. Any offer above £68,250 in Cardiff is a real-terms pay rise.
COL indices from Numbeo 2025 (London = 100). Rent = Rightmove Q4 2025 median for a 1-bed flat.
Moving from Bristol to Cardiff saves £450/month on rent alone (£1,350 → £900/mo).
You can accept up to 15% salary reduction and maintain your lifestyle. Any offer above £68,250 in Cardiff is a real-terms pay rise.