Energy Performance Certificate
1c Mariner Way, HP2 4RN
Energy rating
Current: 73 C | Potential: 76 C
Environmental impact (CO₂)
Current: 55
| Potential: 61
| Field | Value |
|---|---|
| LMK KEY | 0890-2171-0622-0192-3243 |
| ADDRESS1 | 1c Mariner Way |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | HP2 4RN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 73 |
| POTENTIAL ENERGY EFFICIENCY | 76 |
| PROPERTY TYPE | Flat |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2024-12-13 |
| LOCAL AUTHORITY | E07000096 |
| CONSTITUENCY | E14001278 |
| COUNTY | — |
| LODGEMENT DATE | 2025-01-30 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 55 |
| ENVIRONMENT IMPACT POTENTIAL | 61 |
| ENERGY CONSUMPTION CURRENT | 380 |
| ENERGY CONSUMPTION POTENTIAL | 326 |
| CO2 EMISSIONS CURRENT | 3.1 |
| CO2 EMISS CURR PER FLOOR AREA | 64 |
| CO2 EMISSIONS POTENTIAL | 2.6 |
| LIGHTING COST CURRENT | 69 |
| LIGHTING COST POTENTIAL | 69 |
| HEATING COST CURRENT | 554 |
| HEATING COST POTENTIAL | 437 |
| HOT WATER COST CURRENT | 229 |
| HOT WATER COST POTENTIAL | 229 |
| TOTAL FLOOR AREA | 48 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Controls for high heat retention storage heaters |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | double glazing, unknown install date |
| GLAZED AREA | Normal |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 88 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Poor |
| 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 | Average |
| WALLS ENV EFF | Average |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| 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 storage heaters |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Poor |
| MAINHEATCONT DESCRIPTION | Controls for high heat retention storage heaters |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Low energy lighting in 88% of fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.2 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 1c Mariner Way |
| LOCAL AUTHORITY LABEL | Dacorum |
| CONSTITUENCY LABEL | Hemel Hempstead |
| POSTTOWN | HEMEL HEMPSTEAD |
| CONSTRUCTION AGE BAND | England and Wales: 1967-1975 |
| LODGEMENT DATETIME | 2025-01-30 14:41:06 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 8 |
| LOW ENERGY FIXED LIGHT COUNT | 7 |
| UPRN | 100080697844 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |