Energy Performance Certificate
Flat 39, St. Marys House, St. Marys Road, PO3 6AB
Energy rating
Current: 21 F | Potential: 50 E
Environmental impact (CO₂)
Current: 25
| Potential: 28
| Field | Value |
|---|---|
| LMK KEY | 2535-9126-5500-0847-1202 |
| ADDRESS1 | Flat 39 |
| ADDRESS2 | St. Marys House |
| ADDRESS3 | St. Marys Road |
| POSTCODE | PO3 6AB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | F |
| POTENTIAL ENERGY RATING | E |
| CURRENT ENERGY EFFICIENCY | 21 |
| POTENTIAL ENERGY EFFICIENCY | 50 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-06-03 |
| LOCAL AUTHORITY | E06000044 |
| CONSTITUENCY | E14001431 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-04 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 25 |
| ENVIRONMENT IMPACT POTENTIAL | 28 |
| ENERGY CONSUMPTION CURRENT | 567 |
| ENERGY CONSUMPTION POTENTIAL | 513 |
| CO2 EMISSIONS CURRENT | 7.2 |
| CO2 EMISS CURR PER FLOOR AREA | 96 |
| CO2 EMISSIONS POTENTIAL | 6.5 |
| LIGHTING COST CURRENT | 99 |
| LIGHTING COST POTENTIAL | 95 |
| HEATING COST CURRENT | 2765 |
| HEATING COST POTENTIAL | 1479 |
| HOT WATER COST CURRENT | 316 |
| HOT WATER COST POTENTIAL | 233 |
| TOTAL FLOOR AREA | 75 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and appliance thermostats |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Solid brick, with internal insulation |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, no insulation (assumed) |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | Programmer and appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 25.99 |
| FLOOR HEIGHT | 3.08 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 39, 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 | 2025-06-04 08:50:53 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 1775092703 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |