Energy Performance Certificate
21 Chiltern Road, SG4 9PJ
Energy rating
Current: 57 D | Potential: 72 C
Environmental impact (CO₂)
Current: 48
| Potential: 64
| Field | Value |
|---|---|
| LMK KEY | 2190-8476-6050-9007-2801 |
| ADDRESS1 | 21 Chiltern Road |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | SG4 9PJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 57 |
| POTENTIAL ENERGY EFFICIENCY | 72 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-06-02 |
| LOCAL AUTHORITY | E07000099 |
| CONSTITUENCY | E14001289 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-03 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 48 |
| ENVIRONMENT IMPACT POTENTIAL | 64 |
| ENERGY CONSUMPTION CURRENT | 260 |
| ENERGY CONSUMPTION POTENTIAL | 166 |
| CO2 EMISSIONS CURRENT | 9.0 |
| CO2 EMISS CURR PER FLOOR AREA | 48 |
| CO2 EMISSIONS POTENTIAL | 5.8 |
| LIGHTING COST CURRENT | 137 |
| LIGHTING COST POTENTIAL | 137 |
| HEATING COST CURRENT | 2491 |
| HEATING COST POTENTIAL | 1932 |
| HOT WATER COST CURRENT | 164 |
| HOT WATER COST POTENTIAL | 95 |
| TOTAL FLOOR AREA | 187 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 94 |
| GLAZED TYPE | not defined |
| GLAZED AREA | Much More Than Typical |
| EXTENSION COUNT | 2 |
| NUMBER HABITABLE ROOMS | 7 |
| NUMBER HEATED ROOMS | 7 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 2 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Suspended, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Mostly multiple glazing |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, dual fuel (mineral and wood) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, no insulation (assumed) |
| ROOF ENERGY EFF | Very Poor |
| ROOF ENV EFF | Very Poor |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| 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 | 2.65 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 21 Chiltern Road |
| LOCAL AUTHORITY LABEL | North Hertfordshire |
| CONSTITUENCY LABEL | Hitchin |
| POSTTOWN | HITCHIN |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-06-03 10:44:29 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 29 |
| LOW ENERGY FIXED LIGHT COUNT | 29 |
| UPRN | 100080796497 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |