CM20 3SX — East Hertfordshire
Sold prices, broadband, crime and local data for the CM20 3SX postcode, UK.
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Sold house prices at CM20 3SX
| Date | Price | Address | Type |
|---|---|---|---|
| 1 May 2026 | £320,000 | 37 Green Hills | Terraced |
| 15 Jul 2024 | £308,000 | 37 Green Hills | Terraced |
| 24 Aug 2023 | £340,000 | 32 Green Hills | Terraced |
Broadband at CM20 3SX
Superfast (30Mb+)
100%
Gigabit-capable
100%
Median download
—
Median upload
—
Figures are Ofcom availability data for this exact postcode. Use the checker above for a live lookup including mobile signal on all four networks.
Energy performance certificates at CM20 3SX
30 EPCs are registered at this postcode (England & Wales register, certificates lodged since 2012; older ones may have expired or been replaced).
| Property | Rating | Registered |
|---|---|---|
| 30 Green Hills | Band D | Sep 2026 |
| 1 Green Hills | Band D | Jun 2026 |
| 10 Green Hills | Band D | May 2026 |
| 26 Green Hills | Band C | Sep 2025 |
| 13 Green Hills | Band C | Jul 2025 |
| 9 Green Hills | Band C | Mar 2025 |
| 31 Green Hills | Band C | Mar 2025 |
| 29 Green Hills | Band C | Feb 2025 |
| 1 Green Hills | Band D | Feb 2025 |
| 12 Green Hills | Band D | Feb 2025 |
| 25 Green Hills | Band C | Feb 2025 |
| 10 Green Hills | Band D | Feb 2025 |
| 14 Green Hills | Band D | Jan 2025 |
| 5 Green Hills | Band C | Jan 2025 |
| 18 Green Hills | Band D | Oct 2024 |
Source: MHCLG Energy Performance of Buildings Data. Typical ratings for the wider district are on the CM20 area report.
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Contains HM Land Registry data © Crown copyright and database right 2026; crime data from police.uk; broadband data from Ofcom Connected Nations — Open Government Licence v3.0.