EPC (Energy Performance Certificate) data for postcode CF42 5LW

Location: England & Wales

Total certificates: 35

This page provides all of the currently valid EPC certificates for the postcode CF42 5LW 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: 06/02/2015

Latest inspection date: 19/06/2026

EPC Dashboard

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
19/06/2026 4 William Street, Treherbert C C View
17/11/2025 14 William Street, Treherbert D C View
17/11/2025 16 William Street, Treherbert C C View
17/11/2025 32 William Street, Treherbert C C View
17/11/2025 26 William Street, Treherbert D C View
04/11/2025 28 William Street, Treherbert C C View
06/10/2025 21 William Street, Treherbert D C View
27/05/2025 27 William Street, Treherbert C C View
14/04/2025 33 William Street, Treherbert C B View
20/03/2025 15 William Street, Treherbert D C View
18/03/2025 34 William Street, Treherbert D B View
17/03/2025 25 William Street, Treherbert C C View
17/03/2025 23 William Street, Treherbert D D View
25/02/2025 30 William Street, Treherbert C B View
29/04/2024 22 William Street, Treherbert C C View
30/03/2023 7 William Street, Treherbert D B View
04/02/2023 24 William Street, Treherbert C C View
29/09/2022 29 William Street, Treherbert C B View
05/09/2022 2 William Street, Treherbert D B View
09/11/2021 12 William Street, Treherbert, TREORCHY D B View
27/08/2021 6 William Street, Treherbert D B View
01/04/2021 11 WILLIAM STREET, TYNEWYDD, TREHERBERT D B View
12/08/2019 1, William Street, Treherbert D C View
09/08/2019 10, William Street, Treherbert D C View
26/07/2019 7, William Street, Treherbert E C View
16/07/2019 Ty-Allyn, William Street, Treherbert C B View
14/06/2019 1, William Street, Treherbert E C View
10/03/2017 22, William Street, Treherbert D C View
26/11/2016 9, William Street, Treherbert C B View
10/08/2015 9, William Street, Treherbert E B View
20/07/2015 7, William Street, Treherbert D B View
08/07/2015 4, William Street, Treherbert C B View
25/03/2015 1, William Street, Treherbert F C View
18/02/2015 24, William Street, Treherbert D C View
06/02/2015 10, William Street, Treherbert E B View