Energy Performance Certificate
Flat 31, Winfrid House, Boniface Close, SO40 3SJ
Energy rating
Current: 69 C | Potential: 71 C
Environmental impact (CO₂)
Current: 83
| Potential: 86
| Field | Value |
|---|---|
| LMK KEY | 4735-1022-0609-0541-0202 |
| ADDRESS1 | Flat 31 |
| ADDRESS2 | Winfrid House |
| ADDRESS3 | Boniface Close |
| POSTCODE | SO40 3SJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 69 |
| POTENTIAL ENERGY EFFICIENCY | 71 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-12-09 |
| LOCAL AUTHORITY | E07000091 |
| CONSTITUENCY | E14001373 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-12 |
| TRANSACTION TYPE | Stock condition survey |
| ENVIRONMENT IMPACT CURRENT | 83 |
| ENVIRONMENT IMPACT POTENTIAL | 86 |
| ENERGY CONSUMPTION CURRENT | 132 |
| ENERGY CONSUMPTION POTENTIAL | 114 |
| CO2 EMISSIONS CURRENT | 1.1 |
| CO2 EMISS CURR PER FLOOR AREA | 20 |
| CO2 EMISSIONS POTENTIAL | 0.9 |
| LIGHTING COST CURRENT | 48 |
| LIGHTING COST POTENTIAL | 48 |
| HEATING COST CURRENT | 318 |
| HEATING COST POTENTIAL | 271 |
| HOT WATER COST CURRENT | 464 |
| HOT WATER COST POTENTIAL | 464 |
| TOTAL FLOOR AREA | 56 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Flat rate charging, room thermostat only |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 100 |
| 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 | Fully double glazed |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Cavity wall, as built, partial insulation (assumed) |
| WALLS ENERGY EFF | Average |
| WALLS ENV EFF | Average |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 250 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Community scheme |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Flat rate charging, room thermostat only |
| MAINHEATC ENERGY EFF | Poor |
| MAINHEATC ENV EFF | Poor |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.26 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 31, Winfrid House, Boniface Close |
| LOCAL AUTHORITY LABEL | New Forest |
| CONSTITUENCY LABEL | New Forest East |
| POSTTOWN | SOUTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 1976-1982 |
| LODGEMENT DATETIME | 2026-03-12 16:16:28 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 100062528160 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |