Energy Performance Certificate
7 Doddridge House, Castle Street, NN1 2SJ
Energy rating
Current: 76 C | Potential: 77 C
Environmental impact (CO₂)
Current: 79
| Potential: 81
| Field | Value |
|---|---|
| LMK KEY | 9659-3957-2202-2495-7204 |
| ADDRESS1 | 7 Doddridge House |
| ADDRESS2 | Castle Street |
| ADDRESS3 | — |
| POSTCODE | NN1 2SJ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 76 |
| POTENTIAL ENERGY EFFICIENCY | 77 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Not Recorded |
| INSPECTION DATE | 2025-12-15 |
| LOCAL AUTHORITY | E06000062 |
| CONSTITUENCY | E14001406 |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-26 |
| TRANSACTION TYPE | Stock condition survey |
| ENVIRONMENT IMPACT CURRENT | 79 |
| ENVIRONMENT IMPACT POTENTIAL | 81 |
| ENERGY CONSUMPTION CURRENT | 153 |
| ENERGY CONSUMPTION POTENTIAL | 139 |
| CO2 EMISSIONS CURRENT | 1.5 |
| CO2 EMISS CURR PER FLOOR AREA | 28 |
| CO2 EMISSIONS POTENTIAL | 1.4 |
| LIGHTING COST CURRENT | 39 |
| LIGHTING COST POTENTIAL | 39 |
| HEATING COST CURRENT | 445 |
| HEATING COST POTENTIAL | 398 |
| HOT WATER COST CURRENT | 164 |
| HOT WATER COST POTENTIAL | 165 |
| TOTAL FLOOR AREA | 55 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | 3 |
| FLAT TOP STOREY | Y |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Room thermostat and TRVs |
| 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 | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | (another dwelling below) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | System built, with external insulation |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 100 mm loft insulation |
| 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 | Room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Average |
| MAINHEATC ENV EFF | Average |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | unheated corridor |
| UNHEATED CORRIDOR LENGTH | 7.1 |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 7 Doddridge House, Castle Street |
| LOCAL AUTHORITY LABEL | West Northamptonshire |
| CONSTITUENCY LABEL | Northampton North |
| POSTTOWN | NORTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-03-26 22:56:04 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 7 |
| UPRN | 15083759 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000004 |
| Address display | — |
| Nation | ew |