Energy Performance Certificate
Flat 4, 10 Portland Street, SO14 7EB
Energy rating
Current: 55 D | Potential: 85 B
Environmental impact (CO₂)
Current: 88
| Potential: 94
| Field | Value |
|---|---|
| LMK KEY | 2135-2726-4200-0314-2226 |
| ADDRESS1 | Flat 4 |
| ADDRESS2 | 10 Portland Street |
| ADDRESS3 | — |
| POSTCODE | SO14 7EB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 55 |
| POTENTIAL ENERGY EFFICIENCY | 85 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-06-24 |
| LOCAL AUTHORITY | E06000045 |
| CONSTITUENCY | E14001499 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-25 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 88 |
| ENVIRONMENT IMPACT POTENTIAL | 94 |
| ENERGY CONSUMPTION CURRENT | 151 |
| ENERGY CONSUMPTION POTENTIAL | 90 |
| CO2 EMISSIONS CURRENT | 0.7 |
| CO2 EMISS CURR PER FLOOR AREA | 14 |
| CO2 EMISSIONS POTENTIAL | 0.4 |
| LIGHTING COST CURRENT | 39 |
| LIGHTING COST POTENTIAL | 45 |
| HEATING COST CURRENT | 626 |
| HEATING COST POTENTIAL | 92 |
| HOT WATER COST CURRENT | 494 |
| HOT WATER COST POTENTIAL | 311 |
| TOTAL FLOOR AREA | 46 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and appliance thermostats |
| MULTI GLAZE PROPORTION | 0 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 83 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, standard tariff |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Single glazed |
| WINDOWS ENERGY EFF | Very Poor |
| WINDOWS ENV EFF | Very 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 | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer and appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 6.63 |
| FLOOR HEIGHT | 2.37 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 4, 10 Portland Street |
| LOCAL AUTHORITY LABEL | Southampton |
| CONSTITUENCY LABEL | Southampton Itchen |
| POSTTOWN | SOUTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-06-25 21:09:08 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 10001316145 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |