Based on cost-of-living indices (Glasgow 62 vs London 100, London = 100), £80,000 in Glasgow has the same purchasing power as approximately £129,050 in London. London is 61% more expensive overall.
The equivalent accounts for the real cost of maintaining the same standard of living. Glasgow rent averages £900/month versus £2,150/month in London — a +£1,250/month premium. Beyond rent, London is overall 61% more expensive across groceries, transport, restaurants, and utilities (Numbeo COL index 100 vs Glasgow's 62).
To achieve the same disposable income in London, you would need to earn £129,050 — calculated using Rightmove Q1 2026 rental data and HMRC 2025/26 tax rates. Any offer below £129,050 in London represents a real-terms pay cut.
COL indices from Numbeo 2025 (London = 100). Rent = Rightmove Q4 2025 median for a 1-bed flat.
Moving from Glasgow to London costs £1,250/month more in rent (£900 → £2,150/mo).
You need £129,050 in London to match your Glasgow lifestyle — £49,050 more than your current Glasgow salary.