2030
You'll be 37
Median scenario: 2030 · Optimistic (90th percentile): 2029
From this point, your portfolio's expected monthly growth exceeds your £500/month contribution. Compounding is now doing more for you than saving is.
2049
You'll be 56
Median scenario: 2049 · Optimistic (90th percentile): 2045
Your portfolio reaches your inflation-adjusted £750,000 target, covering £30,000/year of today's spending power.
2057
Age 65, as set above
Projected balance: £3,724,650 median (269% of your £1,385,692 target)
Optimistic (90th percentile): £7,326,565. Conservative (10th percentile): £1,957,981.