Energy Performance Certificate
11a High Street, HP1 3AA
Energy rating
Current: 62 D | Potential: 75 C
Environmental impact (CO₂)
Current: 54
| Potential: 73
| Field | Value |
|---|---|
| LMK KEY | 2335-2326-4500-0571-1202 |
| ADDRESS1 | 11a High Street |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | HP1 3AA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 62 |
| POTENTIAL ENERGY EFFICIENCY | 75 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-06-09 |
| LOCAL AUTHORITY | E07000096 |
| CONSTITUENCY | E14001278 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-09 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 54 |
| ENVIRONMENT IMPACT POTENTIAL | 73 |
| ENERGY CONSUMPTION CURRENT | 268 |
| ENERGY CONSUMPTION POTENTIAL | 155 |
| CO2 EMISSIONS CURRENT | 5.4 |
| CO2 EMISS CURR PER FLOOR AREA | 47 |
| CO2 EMISSIONS POTENTIAL | 3.1 |
| LIGHTING COST CURRENT | 135 |
| LIGHTING COST POTENTIAL | 135 |
| HEATING COST CURRENT | 1338 |
| HEATING COST POTENTIAL | 735 |
| HOT WATER COST CURRENT | 142 |
| HOT WATER COST POTENTIAL | 143 |
| TOTAL FLOOR AREA | 113 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | TRVs and bypass |
| MULTI GLAZE PROPORTION | 82 |
| GLAZED TYPE | double glazing installed during or after 2002 |
| GLAZED AREA | More Than Typical |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 4 |
| NUMBER HEATED ROOMS | 4 |
| LOW ENERGY LIGHTING | 76 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (other premises below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Mostly double glazing |
| WINDOWS ENERGY EFF | Average |
| WINDOWS ENV EFF | Average |
| WALLS DESCRIPTION | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | None |
| 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 |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | TRVs and bypass |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Low energy lighting in 76% of fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | no corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 1.87 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 11a High Street |
| LOCAL AUTHORITY LABEL | Dacorum |
| CONSTITUENCY LABEL | Hemel Hempstead |
| POSTTOWN | HEMEL HEMPSTEAD |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2025-06-09 19:07:04 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 17 |
| LOW ENERGY FIXED LIGHT COUNT | 13 |
| UPRN | 200004058631 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |