Energy Performance Certificate
71 Church Street, Helmdon, NN13 5QJ
Energy rating
Current: 34 F | Potential: 69 C
Environmental impact (CO₂)
Current: 35
| Potential: 65
| Field | Value |
|---|---|
| LMK KEY | 8735-7421-6500-0348-4206 |
| ADDRESS1 | 71 Church Street |
| ADDRESS2 | Helmdon |
| ADDRESS3 | — |
| POSTCODE | NN13 5QJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 34 |
| POTENTIAL ENERGY EFFICIENCY | 69 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-09-08 |
| LOCAL AUTHORITY | E06000062 |
| CONSTITUENCY | E14001490 |
| COUNTY | — |
| LODGEMENT DATE | 2025-09-09 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 35 |
| ENVIRONMENT IMPACT POTENTIAL | 65 |
| ENERGY CONSUMPTION CURRENT | 328 |
| ENERGY CONSUMPTION POTENTIAL | 153 |
| CO2 EMISSIONS CURRENT | 8.0 |
| CO2 EMISS CURR PER FLOOR AREA | 78 |
| CO2 EMISSIONS POTENTIAL | 3.8 |
| LIGHTING COST CURRENT | 69 |
| LIGHTING COST POTENTIAL | 69 |
| HEATING COST CURRENT | 2120 |
| HEATING COST POTENTIAL | 1054 |
| HOT WATER COST CURRENT | 434 |
| HOT WATER COST POTENTIAL | 259 |
| TOTAL FLOOR AREA | 103 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer and room thermostat |
| MULTI GLAZE PROPORTION | 83 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 93 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system, no cylinder thermostat |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Mostly double glazing |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Cavity wall, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, Unknown loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Boiler and radiators, oil |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| MAINHEATCONT DESCRIPTION | Programmer and room thermostat |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | oil (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 | 71 Church Street, Helmdon |
| LOCAL AUTHORITY LABEL | West Northamptonshire |
| CONSTITUENCY LABEL | South Northamptonshire |
| POSTTOWN | BRACKLEY |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2025-09-09 20:19:47 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 14 |
| LOW ENERGY FIXED LIGHT COUNT | 13 |
| UPRN | 100031165453 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000004 |
| Address display | — |
| Nation | ew |