Energy Performance Certificate
Apartment B21, Dr Piper House, King Street, DL3 6JL
Energy rating
Current: 78 C | Potential: 78 C
Environmental impact (CO₂)
Current: 64
| Potential: 64
| Field | Value |
|---|---|
| LMK KEY | 4036-9332-2000-0447-7222 |
| ADDRESS1 | Apartment B21 |
| ADDRESS2 | Dr Piper House |
| ADDRESS3 | King Street |
| POSTCODE | DL3 6JL |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 78 |
| POTENTIAL ENERGY EFFICIENCY | 78 |
| PROPERTY TYPE | Flat |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2026-02-23 |
| LOCAL AUTHORITY | E06000005 |
| CONSTITUENCY | E14001190 |
| COUNTY | — |
| LODGEMENT DATE | 2026-02-23 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 64 |
| ENVIRONMENT IMPACT POTENTIAL | 64 |
| ENERGY CONSUMPTION CURRENT | 259 |
| ENERGY CONSUMPTION POTENTIAL | 259 |
| CO2 EMISSIONS CURRENT | 3.3 |
| CO2 EMISS CURR PER FLOOR AREA | 44 |
| CO2 EMISSIONS POTENTIAL | 3.3 |
| LIGHTING COST CURRENT | 109 |
| LIGHTING COST POTENTIAL | 109 |
| HEATING COST CURRENT | 654 |
| HEATING COST POTENTIAL | 654 |
| HOT WATER COST CURRENT | 271 |
| HOT WATER COST POTENTIAL | 271 |
| TOTAL FLOOR AREA | 75 |
| ENERGY TARIFF | off-peak 7 hour |
| MAINS GAS FLAG | — |
| 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 | — |
| GLAZED AREA | — |
| EXTENSION COUNT | — |
| NUMBER HABITABLE ROOMS | — |
| NUMBER HEATED ROOMS | — |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | 0 |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Poor |
| FLOOR DESCRIPTION | Average thermal transmittance 0.34 W/m²K |
| FLOOR ENERGY EFF | Average |
| FLOOR ENV EFF | Average |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.30 W/m²K |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | (other premises 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 all fixed outlets |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Apartment B21, Dr Piper House, King Street |
| LOCAL AUTHORITY LABEL | Darlington |
| CONSTITUENCY LABEL | Darlington |
| POSTTOWN | DARLINGTON |
| CONSTRUCTION AGE BAND | 2024 |
| LODGEMENT DATETIME | 2026-02-23 14:54:54 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 5 |
| LOW ENERGY FIXED LIGHT COUNT | 5 |
| UPRN | 10003079726 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 3 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000001 |
| Address display | — |
| Nation | ew |