Energy Performance Certificate
10 Devonshire Road, AL5 4TJ
Energy rating
Current: 55 D | Potential: 67 D
Environmental impact (CO₂)
Current: 46
| Potential: 57
| Field | Value |
|---|---|
| LMK KEY | 9300-2444-5590-2305-1665 |
| ADDRESS1 | 10 Devonshire Road |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | AL5 4TJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 55 |
| POTENTIAL ENERGY EFFICIENCY | 67 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-11-04 |
| LOCAL AUTHORITY | E07000240 |
| CONSTITUENCY | E14001268 |
| COUNTY | — |
| LODGEMENT DATE | 2025-11-05 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 46 |
| ENVIRONMENT IMPACT POTENTIAL | 57 |
| ENERGY CONSUMPTION CURRENT | 253 |
| ENERGY CONSUMPTION POTENTIAL | 187 |
| CO2 EMISSIONS CURRENT | 14 |
| CO2 EMISS CURR PER FLOOR AREA | 47 |
| CO2 EMISSIONS POTENTIAL | 10 |
| LIGHTING COST CURRENT | 139 |
| LIGHTING COST POTENTIAL | 139 |
| HEATING COST CURRENT | 4191 |
| HEATING COST POTENTIAL | 3145 |
| HOT WATER COST CURRENT | 256 |
| HOT WATER COST POTENTIAL | 257 |
| TOTAL FLOOR AREA | 295 |
| 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 | 78 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 4 |
| NUMBER HABITABLE ROOMS | 9 |
| NUMBER HEATED ROOMS | 9 |
| LOW ENERGY LIGHTING | 90 |
| NUMBER OPEN FIREPLACES | 1 |
| 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 | Partial multiple glazing |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, mains gas |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, insulated (assumed) |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas, Boiler and underfloor heating, 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 | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.92 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 10 Devonshire Road |
| LOCAL AUTHORITY LABEL | St Albans |
| CONSTITUENCY LABEL | Harpenden and Berkhamsted |
| POSTTOWN | HARPENDEN |
| CONSTRUCTION AGE BAND | England and Wales: 1900-1929 |
| LODGEMENT DATETIME | 2025-11-05 21:57:19 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 148 |
| LOW ENERGY FIXED LIGHT COUNT | 133 |
| UPRN | 100080831449 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |