Energy Performance Certificate
Swn-Y-Don, Downderry, PL11 3JA
Energy rating
Current: 65 D | Potential: 70 C
Environmental impact (CO₂)
Current: 89
| Potential: 90
| Field | Value |
|---|---|
| LMK KEY | 8736-4527-4600-0501-0296 |
| ADDRESS1 | Swn-Y-Don |
| ADDRESS2 | Downderry |
| ADDRESS3 | — |
| POSTCODE | PL11 3JA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 65 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2026-03-19 |
| LOCAL AUTHORITY | E06000052 |
| CONSTITUENCY | E14001486 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-30 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 89 |
| ENVIRONMENT IMPACT POTENTIAL | 90 |
| ENERGY CONSUMPTION CURRENT | 101 |
| ENERGY CONSUMPTION POTENTIAL | 86 |
| CO2 EMISSIONS CURRENT | 1.3 |
| CO2 EMISS CURR PER FLOOR AREA | 10 |
| CO2 EMISSIONS POTENTIAL | 1.1 |
| LIGHTING COST CURRENT | 81 |
| LIGHTING COST POTENTIAL | 81 |
| HEATING COST CURRENT | 1763 |
| HEATING COST POTENTIAL | 1708 |
| HOT WATER COST CURRENT | 324 |
| HOT WATER COST POTENTIAL | 324 |
| TOTAL FLOOR AREA | 131 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 3 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Very Good |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, insulated |
| 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 | Timber frame, with additional insulation |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, insulated |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators, electric, Electric underfloor heating |
| MAINHEAT ENERGY EFF | Average |
| 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 | 2.31 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Swn-Y-Don, Downderry |
| LOCAL AUTHORITY LABEL | Cornwall |
| CONSTITUENCY LABEL | South East Cornwall |
| POSTTOWN | TORPOINT |
| CONSTRUCTION AGE BAND | England and Wales: 1930-1949 |
| LODGEMENT DATETIME | 2026-03-30 10:41:45 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 57 |
| LOW ENERGY FIXED LIGHT COUNT | 57 |
| UPRN | 10003064621 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000009 |
| Address display | — |
| Nation | ew |