Energy Performance Certificate
11 The Postern, LD3 9DF
Energy rating
Current: 47 E | Potential: 71 C
Environmental impact (CO₂)
Current: 86
| Potential: 92
| Field | Value |
|---|---|
| LMK KEY | 0380-2584-9670-2106-5025 |
| ADDRESS1 | 11 The Postern |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | LD3 9DF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 47 |
| POTENTIAL ENERGY EFFICIENCY | 71 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2026-03-04 |
| LOCAL AUTHORITY | W06000023 |
| CONSTITUENCY | W07000085 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-17 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 86 |
| ENVIRONMENT IMPACT POTENTIAL | 92 |
| ENERGY CONSUMPTION CURRENT | 220 |
| ENERGY CONSUMPTION POTENTIAL | 119 |
| CO2 EMISSIONS CURRENT | 0.9 |
| CO2 EMISS CURR PER FLOOR AREA | 21 |
| CO2 EMISSIONS POTENTIAL | 0.5 |
| LIGHTING COST CURRENT | 35 |
| LIGHTING COST POTENTIAL | 35 |
| HEATING COST CURRENT | 1308 |
| HEATING COST POTENTIAL | 837 |
| HOT WATER COST CURRENT | 407 |
| HOT WATER COST POTENTIAL | 312 |
| TOTAL FLOOR AREA | 44 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Granite or whin, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 250 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 11 The Postern |
| LOCAL AUTHORITY LABEL | Powys |
| CONSTITUENCY LABEL | Brecon, Radnor and Cwm Tawe |
| POSTTOWN | BRECON |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2026-03-17 11:59:54 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 10006974626 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |