Energy Performance Certificate
20 Walnut Grove, SO16 4NJ
Energy rating
Current: 81 B | Potential: 86 B
Environmental impact (CO₂)
Current: 94
| Potential: 96
| Field | Value |
|---|---|
| LMK KEY | 9804-3955-4200-0895-8204 |
| ADDRESS1 | 20 Walnut Grove |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | SO16 4NJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 81 |
| POTENTIAL ENERGY EFFICIENCY | 86 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-10-10 |
| LOCAL AUTHORITY | E06000045 |
| CONSTITUENCY | E14001500 |
| COUNTY | — |
| LODGEMENT DATE | 2025-10-23 |
| TRANSACTION TYPE | Grant scheme |
| ENVIRONMENT IMPACT CURRENT | 94 |
| ENVIRONMENT IMPACT POTENTIAL | 96 |
| ENERGY CONSUMPTION CURRENT | 56 |
| ENERGY CONSUMPTION POTENTIAL | 43 |
| CO2 EMISSIONS CURRENT | 0.4 |
| CO2 EMISS CURR PER FLOOR AREA | 4 |
| CO2 EMISSIONS POTENTIAL | 0.3 |
| LIGHTING COST CURRENT | 63 |
| LIGHTING COST POTENTIAL | 63 |
| HEATING COST CURRENT | 1079 |
| HEATING COST POTENTIAL | 828 |
| HOT WATER COST CURRENT | 371 |
| HOT WATER COST POTENTIAL | 371 |
| TOTAL FLOOR AREA | 99 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| 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 | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators, electric |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 LENGTH | — |
| FLOOR HEIGHT | 2.38 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 20 Walnut Grove |
| LOCAL AUTHORITY LABEL | Southampton |
| CONSTITUENCY LABEL | Southampton Test |
| POSTTOWN | SOUTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 1930-1949 |
| LODGEMENT DATETIME | 2025-10-23 01:38:43 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 17 |
| LOW ENERGY FIXED LIGHT COUNT | 17 |
| UPRN | 100060740556 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |