EPC (Energy Performance Certificate) data for postcode AL7 3NT
Location: England & Wales
Total certificates: 37
This page provides all of the currently valid EPC certificates for the postcode AL7 3NT in England & Wales. An EPC certificate is valid for 10 years from the date of inspection, so this page may include certificates that were inspected up to 10 years ago. The data is sourced from the official EPC registers and is updated regularly.
Earliest inspection date: 10/06/2015
Latest inspection date: 29/05/2026
Current EPC Rating Distribution
Count of certificates by current EPC rating band (A-G).
Potential EPC Rating Distribution
Projected rating if recommended improvements in the EPC report are completed.
Current Environmental Rating Distribution
Environmental impact values grouped into EPC-style A-G bands.
Potential Environmental Rating Distribution
Projected environmental impact bands after recommended improvements.
EPC Certificates
| Inspection Date | Address | EPC (actual) | EPC (potential) | View |
|---|---|---|---|---|
| 29/05/2026 | 211 Knella Road | E | C | View |
| 23/11/2024 | 143 Knella Road | D | B | View |
| 22/11/2024 | 155 Knella Road | C | B | View |
| 22/11/2024 | 215 Knella Road | C | B | View |
| 22/11/2024 | 139 Knella Road | D | B | View |
| 22/11/2024 | 147 Knella Road | C | B | View |
| 22/11/2024 | 161 Knella Road | D | B | View |
| 22/11/2024 | 135 Knella Road | D | B | View |
| 22/11/2024 | 149 Knella Road | C | B | View |
| 22/11/2024 | 207 Knella Road | C | B | View |
| 22/11/2024 | 183 Knella Road | C | B | View |
| 22/11/2024 | 195 Knella Road | C | B | View |
| 22/11/2024 | 159 Knella Road | D | B | View |
| 02/08/2024 | 141 Knella Road | C | B | View |
| 01/08/2024 | 171a Knella Road | C | C | View |
| 12/07/2024 | 171b Knella Road | D | D | View |
| 11/07/2024 | 177 Knella Road | C | B | View |
| 11/07/2024 | 153 Knella Road | C | B | View |
| 10/07/2024 | 173b Knella Road | D | D | View |
| 09/07/2024 | 169a Knella Road | D | C | View |
| 09/07/2024 | 175a Knella Road | D | C | View |
| 26/06/2024 | 151 Knella Road | C | B | View |
| 13/02/2024 | 165 Knella Road | C | B | View |
| 31/01/2024 | 173a Knella Road | C | C | View |
| 05/12/2022 | 169a Knella Road, WELWYN GARDEN CITY | D | C | View |
| 05/12/2022 | 135 Knella Road, WELWYN GARDEN CITY | D | B | View |
| 23/11/2021 | 191 Knella Road | D | B | View |
| 29/11/2020 | 203 KNELLA ROAD, WELWYN GARDEN CITY, WELWYN GARDEN CITY | D | B | View |
| 06/11/2020 | 167 KNELLA ROAD, WELWYN GARDEN CITY, WELWYN GARDEN CITY | C | B | View |
| 04/12/2019 | 171a, Knella Road | D | C | View |
| 16/11/2017 | 175b, Knella Road | D | D | View |
| 12/05/2017 | 177, Knella Road | D | B | View |
| 18/08/2016 | 171b, Knella Road | C | C | View |
| 14/06/2016 | 213, Knella Road | C | B | View |
| 29/09/2015 | 203, Knella Road | D | B | View |
| 28/08/2015 | 193, Knella Road | D | B | View |
| 10/06/2015 | 137, Knella Road | D | B | View |