Energy Performance Certificate
Flat 5, Louis Flagg House, 51 Warwick Crescent, PO5 4PB
Energy rating
Current: 73 C | Potential: 73 C
Environmental impact (CO₂)
Current: 72
| Potential: 72
| Field | Value |
|---|---|
| LMK KEY | 0370-2787-6670-2626-3285 |
| ADDRESS1 | Flat 5 |
| ADDRESS2 | Louis Flagg House |
| ADDRESS3 | 51 Warwick Crescent |
| POSTCODE | PO5 4PB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 73 |
| POTENTIAL ENERGY EFFICIENCY | 73 |
| PROPERTY TYPE | Maisonette |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-03-23 |
| LOCAL AUTHORITY | E06000044 |
| CONSTITUENCY | E14001432 |
| COUNTY | — |
| LODGEMENT DATE | 2026-05-20 |
| TRANSACTION TYPE | Stock condition survey |
| ENVIRONMENT IMPACT CURRENT | 72 |
| ENVIRONMENT IMPACT POTENTIAL | 72 |
| ENERGY CONSUMPTION CURRENT | 148 |
| ENERGY CONSUMPTION POTENTIAL | 148 |
| CO2 EMISSIONS CURRENT | 2.2 |
| CO2 EMISS CURR PER FLOOR AREA | 27 |
| CO2 EMISSIONS POTENTIAL | 2.2 |
| LIGHTING COST CURRENT | 51 |
| LIGHTING COST POTENTIAL | 51 |
| HEATING COST CURRENT | 716 |
| HEATING COST POTENTIAL | 716 |
| HOT WATER COST CURRENT | 184 |
| HOT WATER COST POTENTIAL | 184 |
| TOTAL FLOOR AREA | 82 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | System built, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very 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 | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | 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 | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.3 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 5, Louis Flagg House, 51 Warwick Crescent |
| LOCAL AUTHORITY LABEL | Portsmouth |
| CONSTITUENCY LABEL | Portsmouth South |
| POSTTOWN | SOUTHSEA |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2026-05-20 17:31:20 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 1775083323 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |