Energy Performance Certificate
Flat 41, Waltham House, St John Street, DE4 4DT
Energy rating
Current: 71 C | Potential: 71 C
Environmental impact (CO₂)
Current: 76
| Potential: 76
| Field | Value |
|---|---|
| LMK KEY | 0340-2013-6650-2206-0255 |
| ADDRESS1 | Flat 41 |
| ADDRESS2 | Waltham House |
| ADDRESS3 | St John Street |
| POSTCODE | DE4 4DT |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 71 |
| POTENTIAL ENERGY EFFICIENCY | 71 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2026-05-07 |
| LOCAL AUTHORITY | E07000035 |
| CONSTITUENCY | E14001195 |
| COUNTY | — |
| LODGEMENT DATE | 2026-05-07 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 76 |
| ENVIRONMENT IMPACT POTENTIAL | 76 |
| ENERGY CONSUMPTION CURRENT | 196 |
| ENERGY CONSUMPTION POTENTIAL | 196 |
| CO2 EMISSIONS CURRENT | 1.8 |
| CO2 EMISS CURR PER FLOOR AREA | 34 |
| CO2 EMISSIONS POTENTIAL | 1.8 |
| LIGHTING COST CURRENT | 37 |
| LIGHTING COST POTENTIAL | 37 |
| HEATING COST CURRENT | 478 |
| HEATING COST POTENTIAL | 478 |
| HOT WATER COST CURRENT | 284 |
| HOT WATER COST POTENTIAL | 284 |
| TOTAL FLOOR AREA | 53 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Flat rate charging, room thermostat only |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 2 |
| NUMBER HEATED ROOMS | 2 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Community scheme |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, insulated |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Multiple glazing throughout |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Sandstone, with internal insulation |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | 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 | Community scheme |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Flat rate charging, room thermostat only |
| MAINHEATC ENERGY EFF | Poor |
| MAINHEATC ENV EFF | Poor |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | heated corridor |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.26 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | Flat 41, Waltham House, St John Street |
| LOCAL AUTHORITY LABEL | Derbyshire Dales |
| CONSTITUENCY LABEL | Derbyshire Dales |
| POSTTOWN | WIRKSWORTH |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2026-05-07 16:26:58 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 8 |
| LOW ENERGY FIXED LIGHT COUNT | 8 |
| UPRN | 10010349217 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000004 |
| Address display | — |
| Nation | ew |