Energy Performance Certificate
Flat 42, St. Marys House, St. Marys Road, PO3 6AB
Energy rating
Current: 28 F | Potential: 55 D
Environmental impact (CO₂)
Current: 39
| Potential: 57
| Field | Value |
|---|---|
| LMK KEY | 2090-1702-2751-0506-4795 |
| ADDRESS1 | Flat 42 |
| ADDRESS2 | St. Marys House |
| ADDRESS3 | St. Marys Road |
| POSTCODE | PO3 6AB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 28 |
| POTENTIAL ENERGY EFFICIENCY | 55 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-02-14 |
| LOCAL AUTHORITY | E06000044 |
| CONSTITUENCY | E14001431 |
| COUNTY | — |
| LODGEMENT DATE | 2025-02-16 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 39 |
| ENVIRONMENT IMPACT POTENTIAL | 57 |
| ENERGY CONSUMPTION CURRENT | 422 |
| ENERGY CONSUMPTION POTENTIAL | 271 |
| CO2 EMISSIONS CURRENT | 4.8 |
| CO2 EMISS CURR PER FLOOR AREA | 71 |
| CO2 EMISSIONS POTENTIAL | 3.1 |
| LIGHTING COST CURRENT | 141 |
| LIGHTING COST POTENTIAL | 143 |
| HEATING COST CURRENT | 3237 |
| HEATING COST POTENTIAL | 1593 |
| HOT WATER COST CURRENT | 425 |
| HOT WATER COST POTENTIAL | 425 |
| TOTAL FLOOR AREA | 67 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | None |
| MULTI GLAZE PROPORTION | 33 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 0 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Partial double glazing |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Solid brick, 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 | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | No system present: electric heaters assumed |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | None |
| MAINHEATC ENERGY EFF | Very Poor |
| MAINHEATC ENV EFF | Very Poor |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | To be used only when there is no heating/hot-water system or data is from a community network |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 7.21 |
| FLOOR HEIGHT | 3.06 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 42, St. Marys House, St. Marys Road |
| LOCAL AUTHORITY LABEL | Portsmouth |
| CONSTITUENCY LABEL | Portsmouth North |
| POSTTOWN | PORTSMOUTH |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2025-02-16 16:40:05 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 5 |
| LOW ENERGY FIXED LIGHT COUNT | 5 |
| UPRN | 1775092706 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |