Energy Performance Certificate
10 Tassell Hall, Redbourn, AL3 7JD
Energy rating
Current: 84 B | Potential: 85 B
Environmental impact (CO₂)
Current: 72
| Potential: 74
| Field | Value |
|---|---|
| LMK KEY | 8536-7724-7100-0114-9296 |
| ADDRESS1 | 10 Tassell Hall |
| ADDRESS2 | Redbourn |
| ADDRESS3 | — |
| POSTCODE | AL3 7JD |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 84 |
| POTENTIAL ENERGY EFFICIENCY | 85 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-04-14 |
| LOCAL AUTHORITY | E07000240 |
| CONSTITUENCY | E14001268 |
| COUNTY | — |
| LODGEMENT DATE | 2026-04-23 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 72 |
| ENVIRONMENT IMPACT POTENTIAL | 74 |
| ENERGY CONSUMPTION CURRENT | 155 |
| ENERGY CONSUMPTION POTENTIAL | 145 |
| CO2 EMISSIONS CURRENT | 2.8 |
| CO2 EMISS CURR PER FLOOR AREA | 29 |
| CO2 EMISSIONS POTENTIAL | 2.6 |
| LIGHTING COST CURRENT | 59 |
| LIGHTING COST POTENTIAL | 59 |
| HEATING COST CURRENT | 949 |
| HEATING COST POTENTIAL | 886 |
| HOT WATER COST CURRENT | 270 |
| HOT WATER COST POTENTIAL | 271 |
| TOTAL FLOOR AREA | 96 |
| 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 | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, no insulation (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 | 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 | Boiler and radiators, 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 | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.43 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | mechanical extract, decentralised (MEV dc) |
| ADDRESS | 10 Tassell Hall, Redbourn |
| LOCAL AUTHORITY LABEL | St Albans |
| CONSTITUENCY LABEL | Harpenden and Berkhamsted |
| POSTTOWN | ST. ALBANS |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-04-23 13:50:24 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 18 |
| LOW ENERGY FIXED LIGHT COUNT | 18 |
| UPRN | 100080866862 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |