Energy Performance Certificate
125 St. Julien House, Longfield Avenue, PO14 1JS
Energy rating
Current: 70 C | Potential: 72 C
Environmental impact (CO₂)
Current: 90
| Potential: 90
| Field | Value |
|---|---|
| LMK KEY | 0320-2092-6580-2425-3401 |
| ADDRESS1 | 125 St. Julien House |
| ADDRESS2 | Longfield Avenue |
| ADDRESS3 | — |
| POSTCODE | PO14 1JS |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 70 |
| POTENTIAL ENERGY EFFICIENCY | 72 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-08-22 |
| LOCAL AUTHORITY | E07000087 |
| CONSTITUENCY | E14001233 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-06 |
| TRANSACTION TYPE | Grant scheme |
| ENVIRONMENT IMPACT CURRENT | 90 |
| ENVIRONMENT IMPACT POTENTIAL | 90 |
| ENERGY CONSUMPTION CURRENT | 206 |
| ENERGY CONSUMPTION POTENTIAL | 196 |
| CO2 EMISSIONS CURRENT | 0.5 |
| CO2 EMISS CURR PER FLOOR AREA | 19 |
| CO2 EMISSIONS POTENTIAL | 0.5 |
| LIGHTING COST CURRENT | 25 |
| LIGHTING COST POTENTIAL | 25 |
| HEATING COST CURRENT | 279 |
| HEATING COST POTENTIAL | 290 |
| HOT WATER COST CURRENT | 471 |
| HOT WATER COST POTENTIAL | 414 |
| TOTAL FLOOR AREA | 25 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Controls for high heat retention storage heaters |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 1 |
| NUMBER HEATED ROOMS | 1 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Very 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 | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| 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 | Electric storage heaters |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Controls for high heat retention storage heaters |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 3.85 |
| FLOOR HEIGHT | 2.28 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 125 St. Julien House, Longfield Avenue |
| LOCAL AUTHORITY LABEL | Fareham |
| CONSTITUENCY LABEL | Fareham and Waterlooville |
| POSTTOWN | FAREHAM |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-01-06 16:20:55 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 5 |
| LOW ENERGY FIXED LIGHT COUNT | 5 |
| UPRN | 100060347666 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |