Energy Performance Certificate
23 Rosemont Close, SG6 4XR
Energy rating
Current: 67 D | Potential: 79 C
Environmental impact (CO₂)
Current: 89
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2820-2012-0847-1000-1503 |
| ADDRESS1 | 23 Rosemont Close |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | SG6 4XR |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 67 |
| POTENTIAL ENERGY EFFICIENCY | 79 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-09-29 |
| LOCAL AUTHORITY | E07000099 |
| CONSTITUENCY | E14001393 |
| COUNTY | — |
| LODGEMENT DATE | 2025-09-30 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 89 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 162 |
| ENERGY CONSUMPTION POTENTIAL | 138 |
| CO2 EMISSIONS CURRENT | 0.7 |
| CO2 EMISS CURR PER FLOOR AREA | 15 |
| CO2 EMISSIONS POTENTIAL | 0.6 |
| LIGHTING COST CURRENT | 36 |
| LIGHTING COST POTENTIAL | 38 |
| HEATING COST CURRENT | 786 |
| HEATING COST POTENTIAL | 400 |
| HOT WATER COST CURRENT | 344 |
| HOT WATER COST POTENTIAL | 313 |
| TOTAL FLOOR AREA | 46 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and appliance thermostats |
| 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 | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| 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 | 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, 100 mm loft insulation |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer and appliance thermostats |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.2 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 23 Rosemont Close |
| LOCAL AUTHORITY LABEL | North Hertfordshire |
| CONSTITUENCY LABEL | North East Hertfordshire |
| POSTTOWN | LETCHWORTH GARDEN CITY |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2025-09-30 10:34:23 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 8 |
| LOW ENERGY FIXED LIGHT COUNT | 8 |
| UPRN | 100080820270 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |