Energy Performance Certificate
401 Hawthorn Crescent, Cosham, PO6 2TN
Energy rating
Current: 58 D | Potential: 70 C
Environmental impact (CO₂)
Current: 54
| Potential: 69
| Field | Value |
|---|---|
| LMK KEY | 1135-8620-1509-0804-5296 |
| ADDRESS1 | 401 Hawthorn Crescent |
| ADDRESS2 | Cosham |
| ADDRESS3 | — |
| POSTCODE | PO6 2TN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 58 |
| POTENTIAL ENERGY EFFICIENCY | 70 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-10-14 |
| LOCAL AUTHORITY | E06000044 |
| CONSTITUENCY | E14001431 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-21 |
| TRANSACTION TYPE | Stock condition survey |
| ENVIRONMENT IMPACT CURRENT | 54 |
| ENVIRONMENT IMPACT POTENTIAL | 69 |
| ENERGY CONSUMPTION CURRENT | 276 |
| ENERGY CONSUMPTION POTENTIAL | 185 |
| CO2 EMISSIONS CURRENT | 3.4 |
| CO2 EMISS CURR PER FLOOR AREA | 51 |
| CO2 EMISSIONS POTENTIAL | 2.3 |
| LIGHTING COST CURRENT | 49 |
| LIGHTING COST POTENTIAL | 49 |
| HEATING COST CURRENT | 1021 |
| HEATING COST POTENTIAL | 663 |
| HOT WATER COST CURRENT | 187 |
| HOT WATER COST POTENTIAL | 188 |
| TOTAL FLOOR AREA | 68 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| 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 | Flat, no insulation |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| 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 | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | stairwell |
| UNHEATED CORRIDOR LENGTH | 5.34 |
| FLOOR HEIGHT | 2.38 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 401 Hawthorn Crescent, Cosham |
| LOCAL AUTHORITY LABEL | Portsmouth |
| CONSTITUENCY LABEL | Portsmouth North |
| POSTTOWN | PORTSMOUTH |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2025-10-21 10:24:49 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 7 |
| UPRN | 1775036661 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |