Energy Performance Certificate
21 Opus House, Charrington Place, AL1 3DB
Energy rating
Current: 76 C | Potential: 77 C
Environmental impact (CO₂)
Current: 76
| Potential: 78
| Field | Value |
|---|---|
| LMK KEY | 7204-3034-8209-0635-2204 |
| ADDRESS1 | 21 Opus House |
| ADDRESS2 | Charrington Place |
| ADDRESS3 | — |
| POSTCODE | AL1 3DB |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 76 |
| POTENTIAL ENERGY EFFICIENCY | 77 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Enclosed Mid-Terrace |
| INSPECTION DATE | 2025-01-30 |
| LOCAL AUTHORITY | E07000240 |
| CONSTITUENCY | E14001507 |
| COUNTY | — |
| LODGEMENT DATE | 2025-01-31 |
| TRANSACTION TYPE | None of the above |
| ENVIRONMENT IMPACT CURRENT | 76 |
| ENVIRONMENT IMPACT POTENTIAL | 78 |
| ENERGY CONSUMPTION CURRENT | 160 |
| ENERGY CONSUMPTION POTENTIAL | 148 |
| CO2 EMISSIONS CURRENT | 2.0 |
| CO2 EMISS CURR PER FLOOR AREA | 27 |
| CO2 EMISSIONS POTENTIAL | 1.9 |
| LIGHTING COST CURRENT | 96 |
| LIGHTING COST POTENTIAL | 96 |
| HEATING COST CURRENT | 491 |
| HEATING COST POTENTIAL | 491 |
| HOT WATER COST CURRENT | 268 |
| HOT WATER COST POTENTIAL | 224 |
| TOTAL FLOOR AREA | 75 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 2 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | More Than Typical |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Good |
| WINDOWS ENV EFF | Good |
| WALLS DESCRIPTION | System built, with internal insulation |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (another dwelling above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Electric underfloor heating |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Poor |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Low energy lighting in all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 11.52 |
| FLOOR HEIGHT | 2.5 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 21 Opus House, Charrington Place |
| LOCAL AUTHORITY LABEL | St Albans |
| CONSTITUENCY LABEL | St Albans |
| POSTTOWN | ST. ALBANS |
| CONSTRUCTION AGE BAND | England and Wales: 2012 onwards |
| LODGEMENT DATETIME | 2025-01-31 10:40:58 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 10024117635 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |