Energy Performance Certificate
26 Overstone Road, Sywell, NN6 0AW
Energy rating
Current: 43 E | Potential: 74 C
Environmental impact (CO₂)
Current: 37
| Potential: 62
| Field | Value |
|---|---|
| LMK KEY | 2190-6719-0060-4107-1301 |
| ADDRESS1 | 26 Overstone Road |
| ADDRESS2 | Sywell |
| ADDRESS3 | — |
| POSTCODE | NN6 0AW |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | E |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 43 |
| POTENTIAL ENERGY EFFICIENCY | 74 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-01-09 |
| LOCAL AUTHORITY | E06000061 |
| CONSTITUENCY | E14001192 |
| COUNTY | — |
| LODGEMENT DATE | 2026-01-12 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 37 |
| ENVIRONMENT IMPACT POTENTIAL | 62 |
| ENERGY CONSUMPTION CURRENT | 398 |
| ENERGY CONSUMPTION POTENTIAL | 209 |
| CO2 EMISSIONS CURRENT | 7.2 |
| CO2 EMISS CURR PER FLOOR AREA | 73 |
| CO2 EMISSIONS POTENTIAL | 3.8 |
| LIGHTING COST CURRENT | 85 |
| LIGHTING COST POTENTIAL | 85 |
| HEATING COST CURRENT | 2068 |
| HEATING COST POTENTIAL | 1179 |
| HOT WATER COST CURRENT | 319 |
| HOT WATER COST POTENTIAL | 228 |
| TOTAL FLOOR AREA | 98 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | Y |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| MULTI GLAZE PROPORTION | 96 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 1 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 84 |
| NUMBER OPEN FIREPLACES | 2 |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| 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 | Cavity wall, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Poor |
| WALLS ENV EFF | Poor |
| SECONDHEAT DESCRIPTION | Room heaters, mains gas |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 25 mm loft insulation |
| ROOF ENERGY EFF | Poor |
| ROOF ENV EFF | Poor |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.48 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 26 Overstone Road, Sywell |
| LOCAL AUTHORITY LABEL | North Northamptonshire |
| CONSTITUENCY LABEL | Daventry |
| POSTTOWN | NORTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-01-12 11:24:10 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 19 |
| LOW ENERGY FIXED LIGHT COUNT | 16 |
| UPRN | 100031190747 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000004 |
| Address display | — |
| Nation | ew |