Energy Performance Certificate
Lanham Barn, Onslow Green, Barnston, CM6 3PP
Energy rating
Current: 61 D | Potential: 74 C
Environmental impact (CO₂)
Current: 92
| Potential: 95
| Field | Value |
|---|---|
| LMK KEY | 0380-3353-6560-2896-7311 |
| ADDRESS1 | Lanham Barn |
| ADDRESS2 | Onslow Green |
| ADDRESS3 | Barnston |
| POSTCODE | CM6 3PP |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 61 |
| POTENTIAL ENERGY EFFICIENCY | 74 |
| PROPERTY TYPE | Bungalow |
| BUILT FORM | Detached |
| INSPECTION DATE | 2026-06-17 |
| LOCAL AUTHORITY | E07000077 |
| CONSTITUENCY | E14001402 |
| COUNTY | — |
| LODGEMENT DATE | 2026-06-17 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 92 |
| ENVIRONMENT IMPACT POTENTIAL | 95 |
| ENERGY CONSUMPTION CURRENT | 76 |
| ENERGY CONSUMPTION POTENTIAL | 51 |
| CO2 EMISSIONS CURRENT | 1.2 |
| CO2 EMISS CURR PER FLOOR AREA | 7.1 |
| CO2 EMISSIONS POTENTIAL | 0.7 |
| LIGHTING COST CURRENT | 71 |
| LIGHTING COST POTENTIAL | 71 |
| HEATING COST CURRENT | 2795 |
| HEATING COST POTENTIAL | 2795 |
| HOT WATER COST CURRENT | 176 |
| HOT WATER COST POTENTIAL | 176 |
| TOTAL FLOOR AREA | 172 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Time and temperature zone control |
| 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, no cylinder thermostat |
| HOT WATER ENERGY EFF | Poor |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.16 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 0.18 W/m²K |
| WALLS ENERGY EFF | Very Good |
| WALLS ENV EFF | Very Good |
| SECONDHEAT DESCRIPTION | Room heaters, wood logs |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Average thermal transmittance 0.13 W/m²K |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, , electric |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very Good |
| LIGHTING DESCRIPTION | Excellent lighting efficiency |
| LIGHTING ENERGY EFF | Very Good |
| LIGHTING ENV EFF | Very Good |
| MAIN FUEL | Electricity: electricity, unspecified tariff |
| WIND TURBINE COUNT | — |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 5 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Lanham Barn, Onslow Green, Barnston |
| LOCAL AUTHORITY LABEL | Uttlesford |
| CONSTITUENCY LABEL | North West Essex |
| POSTTOWN | DUNMOW |
| CONSTRUCTION AGE BAND | 2025 |
| LODGEMENT DATETIME | 2026-06-17 15:23:51 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 35 |
| LOW ENERGY FIXED LIGHT COUNT | 35 |
| UPRN | 200004264360 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 3 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000006 |
| Address display | — |
| Nation | ew |