CM21 9ND — East Hertfordshire
Sold prices, broadband, crime and local data for the CM21 9ND postcode, UK.
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Sold house prices at CM21 9ND
| Date | Price | Address | Type |
|---|---|---|---|
| 28 Apr 2026 | £570,000 | 100 Sheering Mill Lane | Semi-detached |
| 10 Feb 2026 | £860,000 | 132 Sheering Mill Lane | Detached |
| 10 Feb 2026 | £860,000 | 132 Sheering Mill Lane | Detached |
| 28 Nov 2025 | £1,200,000 | 123 Sheering Mill Lane | Detached |
| 25 Jul 2025 | £679,950 | 116 Sheering Mill Lane | Detached |
| 14 Feb 2025 | £600,000 | 128 Sheering Mill Lane | Detached |
| 17 Sep 2024 | £230,000 | 132 Sheering Mill Lane | Other |
| 31 Jan 2024 | £585,000 | 119 Sheering Mill Lane | Detached |
| 4 Jan 2023 | £565,000 | 109 Sheering Mill Lane | Semi-detached |
| 21 Oct 2022 | £600,000 | 121 Sheering Mill Lane | Detached |
Broadband at CM21 9ND
Superfast (30Mb+)
100%
Gigabit-capable
92%
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 CM21 9ND
21 EPCs are registered at this postcode (England & Wales register, certificates lodged since 2012; older ones may have expired or been replaced).
| Property | Rating | Registered |
|---|---|---|
| 107 Sheering Mill Lane | Band C | Apr 2026 |
| 132 | Band B | Oct 2025 |
| 100 Sheering Mill Lane | Band C | Aug 2025 |
| 113 Sheering Mill Lane | Band D | Jul 2025 |
| 104 Sheering Mill Lane | Band D | Dec 2024 |
| 123 Sheering Mill Lane | Band D | Jul 2024 |
| 116 Sheering Mill Lane | Band D | Feb 2024 |
| 128 Sheering Mill Lane | Band D | Aug 2023 |
| 119 Sheering Mill Lane | Band C | May 2023 |
| 121 Sheering Mill Lane | Band C | Jul 2022 |
| 109 Sheering Mill Lane | Band C | Jan 2022 |
| 106, Sheering Mill Lane | Band C | Jul 2020 |
| 126, Sheering Mill Lane | Band C | Jul 2020 |
| 124, Sheering Mill Lane | Band A | Jun 2020 |
| 144, Sheering Mill Lane | Band D | Oct 2019 |
Source: MHCLG Energy Performance of Buildings Data. Typical ratings for the wider district are on the CM21 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.