Energy Performance Certificate
Flat 7, Heritage Gate Rear Of 45-47, High Street, HP1 3AF
Energy rating
Current: 59 D | Potential: 66 D
Environmental impact (CO₂)
Current: 89
| Potential: 91
| Field | Value |
|---|---|
| LMK KEY | 2011-3535-3060-2300-2921 |
| ADDRESS1 | Flat 7 |
| ADDRESS2 | Heritage Gate Rear Of 45-47 |
| ADDRESS3 | High Street |
| POSTCODE | HP1 3AF |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 59 |
| POTENTIAL ENERGY EFFICIENCY | 66 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-05-22 |
| LOCAL AUTHORITY | E07000096 |
| CONSTITUENCY | E14001278 |
| COUNTY | — |
| LODGEMENT DATE | 2026-05-26 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 89 |
| ENVIRONMENT IMPACT POTENTIAL | 91 |
| ENERGY CONSUMPTION CURRENT | 154 |
| ENERGY CONSUMPTION POTENTIAL | 126 |
| CO2 EMISSIONS CURRENT | 0.7 |
| CO2 EMISS CURR PER FLOOR AREA | 15 |
| CO2 EMISSIONS POTENTIAL | 0.6 |
| LIGHTING COST CURRENT | 41 |
| LIGHTING COST POTENTIAL | 41 |
| HEATING COST CURRENT | 775 |
| HEATING COST POTENTIAL | 589 |
| HOT WATER COST CURRENT | 616 |
| HOT WATER COST POTENTIAL | 543 |
| TOTAL FLOOR AREA | 51 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| 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 | Cavity wall, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, insulated |
| ROOF ENERGY EFF | Average |
| ROOF ENV EFF | Average |
| MAINHEAT DESCRIPTION | Boiler and underfloor heating, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | stairwell |
| UNHEATED CORRIDOR LENGTH | 8.37 |
| FLOOR HEIGHT | 2.37 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 7, Heritage Gate Rear Of 45-47, High Street |
| LOCAL AUTHORITY LABEL | Dacorum |
| CONSTITUENCY LABEL | Hemel Hempstead |
| POSTTOWN | HEMEL HEMPSTEAD |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2026-05-26 14:18:11 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 23 |
| LOW ENERGY FIXED LIGHT COUNT | 23 |
| UPRN | 10093313520 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |