Energy Performance Certificate
45 Boundary House, Boundary Lane, AL7 4EH
Energy rating
Current: 53 E | Potential: 81 B
Environmental impact (CO₂)
Current: 44
| Potential: 68
| Field | Value |
|---|---|
| LMK KEY | 0140-2411-8030-2109-7835 |
| ADDRESS1 | 45 Boundary House |
| ADDRESS2 | Boundary Lane |
| ADDRESS3 | — |
| POSTCODE | AL7 4EH |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 53 |
| POTENTIAL ENERGY EFFICIENCY | 81 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2021-07-09 |
| LOCAL AUTHORITY | E07000241 |
| CONSTITUENCY | E14001573 |
| COUNTY | — |
| LODGEMENT DATE | 2021-12-11 |
| TRANSACTION TYPE | ECO assessment |
| ENVIRONMENT IMPACT CURRENT | 44 |
| ENVIRONMENT IMPACT POTENTIAL | 68 |
| ENERGY CONSUMPTION CURRENT | 614 |
| ENERGY CONSUMPTION POTENTIAL | 327 |
| CO2 EMISSIONS CURRENT | 3.3 |
| CO2 EMISS CURR PER FLOOR AREA | 104 |
| CO2 EMISSIONS POTENTIAL | 1.8 |
| LIGHTING COST CURRENT | 50 |
| LIGHTING COST POTENTIAL | 35 |
| HEATING COST CURRENT | 342 |
| HEATING COST POTENTIAL | 166 |
| HOT WATER COST CURRENT | 450 |
| HOT WATER COST POTENTIAL | 147 |
| TOTAL FLOOR AREA | 32 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | No thermostatic control of room temperature |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 33 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | No system present: electric immersion assumed |
| HOT WATER ENERGY EFF | Poor |
| 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 | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Solid brick, as built, partial insulation (assumed) |
| WALLS ENERGY EFF | Average |
| WALLS ENV EFF | Average |
| 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 | Very Poor |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | No thermostatic control of room temperature |
| MAINHEATC ENERGY EFF | Poor |
| MAINHEATC ENV EFF | Poor |
| LIGHTING DESCRIPTION | Low energy lighting in 33% of fixed outlets |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.41 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 45 Boundary House, Boundary Lane |
| LOCAL AUTHORITY LABEL | Welwyn Hatfield |
| CONSTITUENCY LABEL | Welwyn Hatfield |
| POSTTOWN | WELWYN GARDEN CITY |
| CONSTRUCTION AGE BAND | England and Wales: 1976-1982 |
| LODGEMENT DATETIME | 2021-12-11 14:46:06 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 6 |
| LOW ENERGY FIXED LIGHT COUNT | 2 |
| UPRN | 100081148433 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2021.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |