Energy Performance Certificate
89 Leverett Way, CB10 2NG
Energy rating
Current: 82 B | Potential: 89 B
Environmental impact (CO₂)
Current: 96
| Potential: 98
| Field | Value |
|---|---|
| LMK KEY | 2136-8535-0100-0468-1206 |
| ADDRESS1 | 89 Leverett Way |
| ADDRESS2 | — |
| ADDRESS3 | — |
| POSTCODE | CB10 2NG |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 82 |
| POTENTIAL ENERGY EFFICIENCY | 89 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-05-08 |
| LOCAL AUTHORITY | E07000077 |
| CONSTITUENCY | E14001402 |
| COUNTY | — |
| LODGEMENT DATE | 2026-05-08 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 96 |
| ENVIRONMENT IMPACT POTENTIAL | 98 |
| ENERGY CONSUMPTION CURRENT | 42 |
| ENERGY CONSUMPTION POTENTIAL | 24 |
| CO2 EMISSIONS CURRENT | 0.4 |
| CO2 EMISS CURR PER FLOOR AREA | 4.0 |
| CO2 EMISSIONS POTENTIAL | 0.2 |
| LIGHTING COST CURRENT | 73 |
| LIGHTING COST POTENTIAL | 73 |
| HEATING COST CURRENT | 313 |
| HEATING COST POTENTIAL | 336 |
| HOT WATER COST CURRENT | 302 |
| HOT WATER COST POTENTIAL | 221 |
| TOTAL FLOOR AREA | 92 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Programmer, room thermostat and TRVs |
| 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 | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.15 W/m²K |
| FLOOR ENERGY EFF | Very Good |
| FLOOR ENV EFF | Very Good |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Average thermal transmittance 0.21 W/m²K |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Average thermal transmittance 0.09 W/m²K |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators, electric |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer, room thermostat and TRVs |
| MAINHEATC ENERGY EFF | Good |
| MAINHEATC ENV EFF | Good |
| LIGHTING DESCRIPTION | Good lighting efficiency |
| LIGHTING ENERGY EFF | Good |
| LIGHTING ENV EFF | Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | — |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.31 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | 89 Leverett Way |
| LOCAL AUTHORITY LABEL | Uttlesford |
| CONSTITUENCY LABEL | North West Essex |
| POSTTOWN | Saffron Walden |
| CONSTRUCTION AGE BAND | 2025 |
| LODGEMENT DATETIME | 2026-05-08 13:14:28 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 10 |
| LOW ENERGY FIXED LIGHT COUNT | 10 |
| UPRN | 10094832711 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 3 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |