Energy Performance Certificate
24 William Porter Close, Chelmsford Garden, CM1 6AN
Energy rating
Current: 82 B | Potential: 86 B
Environmental impact (CO₂)
Current: 86
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2091-8449-0050-8190-7901 |
| ADDRESS1 | 24 William Porter Close |
| ADDRESS2 | Chelmsford Garden |
| ADDRESS3 | — |
| POSTCODE | CM1 6AN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 82 |
| POTENTIAL ENERGY EFFICIENCY | 86 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-11-03 |
| LOCAL AUTHORITY | E07000070 |
| CONSTITUENCY | E14001159 |
| COUNTY | — |
| LODGEMENT DATE | 2025-11-14 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 86 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 66 |
| ENERGY CONSUMPTION POTENTIAL | 36 |
| CO2 EMISSIONS CURRENT | 1.7 |
| CO2 EMISS CURR PER FLOOR AREA | 14 |
| CO2 EMISSIONS POTENTIAL | 1.0 |
| LIGHTING COST CURRENT | 80 |
| LIGHTING COST POTENTIAL | 80 |
| HEATING COST CURRENT | 534 |
| HEATING COST POTENTIAL | 534 |
| HOT WATER COST CURRENT | 218 |
| HOT WATER COST POTENTIAL | 6 |
| TOTAL FLOOR AREA | 125 |
| ENERGY TARIFF | dual |
| 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 | 2 |
| NUMBER HABITABLE ROOMS | 5 |
| NUMBER HEATED ROOMS | 5 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, insulated (assumed) |
| 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 | Timber frame, as built, insulated (assumed) |
| 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 | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.422 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 24 William Porter Close, Chelmsford Garden |
| LOCAL AUTHORITY LABEL | Chelmsford |
| CONSTITUENCY LABEL | Chelmsford |
| POSTTOWN | CHELMSFORD |
| CONSTRUCTION AGE BAND | England and Wales: 2012-2021 |
| LODGEMENT DATETIME | 2025-11-14 16:18:10 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 28 |
| LOW ENERGY FIXED LIGHT COUNT | 28 |
| UPRN | 10091490480 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |