Energy Performance Certificate
4 Byron Mews, Byron Street, NN2 7JE
Energy rating
Current: 73 C | Potential: 91 B
Environmental impact (CO₂)
Current: 90
| Potential: 94
| Field | Value |
|---|---|
| LMK KEY | 0380-2288-9660-2206-5381 |
| ADDRESS1 | 4 Byron Mews |
| ADDRESS2 | Byron Street |
| ADDRESS3 | — |
| POSTCODE | NN2 7JE |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 73 |
| POTENTIAL ENERGY EFFICIENCY | 91 |
| PROPERTY TYPE | Bungalow |
| BUILT FORM | End-Terrace |
| INSPECTION DATE | 2026-06-08 |
| LOCAL AUTHORITY | E06000062 |
| CONSTITUENCY | E14001406 |
| COUNTY | — |
| LODGEMENT DATE | 2026-06-08 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 90 |
| ENVIRONMENT IMPACT POTENTIAL | 94 |
| ENERGY CONSUMPTION CURRENT | 166 |
| ENERGY CONSUMPTION POTENTIAL | 117 |
| CO2 EMISSIONS CURRENT | 0.6 |
| CO2 EMISS CURR PER FLOOR AREA | 15 |
| CO2 EMISSIONS POTENTIAL | 0.3 |
| LIGHTING COST CURRENT | 29 |
| LIGHTING COST POTENTIAL | 29 |
| HEATING COST CURRENT | 541 |
| HEATING COST POTENTIAL | 541 |
| HOT WATER COST CURRENT | 297 |
| HOT WATER COST POTENTIAL | 235 |
| TOTAL FLOOR AREA | 38 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Temperature zone control |
| 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 | Electric instantaneous at point of use |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, insulated (assumed) |
| 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 | Portable electric heaters (assumed) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Flat, insulated |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Electric underfloor heating |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Temperature zone control |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | 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 | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.27 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 4 Byron Mews, Byron Street |
| LOCAL AUTHORITY LABEL | West Northamptonshire |
| CONSTITUENCY LABEL | Northampton North |
| POSTTOWN | NORTHAMPTON |
| CONSTRUCTION AGE BAND | England and Wales: 2012-2021 |
| LODGEMENT DATETIME | 2026-06-08 20:17:07 |
| TENURE | rented (private) |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 7 |
| UPRN | 15126919 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000004 |
| Address display | — |
| Nation | ew |