Side-by-side comparison of SE21 London and SE23 London covering house prices, crime, schools, broadband, council tax, green space and energy performance.
SE23 is the more affordable option at £495,000 median vs £680,255 in SE21. SE21 has lower recorded crime (1,550 vs 3,538 offences over 13 months). Both areas have comparable broadband quality.
| Metric | SE21 London | SE23 London |
|---|---|---|
| Median House Price | £680,255 | £495,000 |
| Band D Council Tax | £1,967 | £2,237 |
| Total Crimes (13 months) | 1,550 | 3,538 |
| Outstanding Schools | 5.0 | 1.0 |
| Broadband Score (/100) | 59.2 | 68.9 |
| Green Space Access (%) | 100.0 | 97.5 |
| EPC Median Score | 67.0 | 69.0 |
House prices: HM Land Registry Price Paid Data (2025–2026). Crime: police.uk (Apr 2025–Apr 2026). Schools: Ofsted inspection outcomes. Broadband: Ofcom Connected Nations. Council tax: DLUHC. Green space: OS OpenData.
House prices: HM Land Registry Price Paid Data (2025–2026). Crime: police.uk (Apr 2025–Apr 2026). Schools: Ofsted inspection outcomes. Broadband: Ofcom Connected Nations. Council tax: DLUHC. Green space: OS OpenData. EPC: DLUHC Energy Performance of Buildings Register.