Energy Performance Certificate
Flat 94, Walter House, Broadwater Road, AL7 3FN
Energy rating
Current: 83 B | Potential: 83 B
Environmental impact (CO₂)
Current: 96
| Potential: 96
| Field | Value |
|---|---|
| LMK KEY | 0300-3166-2170-2326-2125 |
| ADDRESS1 | Flat 94 |
| ADDRESS2 | Walter House |
| ADDRESS3 | Broadwater Road |
| POSTCODE | AL7 3FN |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | B |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 83 |
| POTENTIAL ENERGY EFFICIENCY | 83 |
| PROPERTY TYPE | Flat |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-03-26 |
| LOCAL AUTHORITY | — |
| CONSTITUENCY | — |
| COUNTY | — |
| LODGEMENT DATE | 2026-03-26 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 96 |
| ENVIRONMENT IMPACT POTENTIAL | 96 |
| ENERGY CONSUMPTION CURRENT | 53 |
| ENERGY CONSUMPTION POTENTIAL | 53 |
| CO2 EMISSIONS CURRENT | 0.2 |
| CO2 EMISS CURR PER FLOOR AREA | 5.1 |
| CO2 EMISSIONS POTENTIAL | 0.2 |
| LIGHTING COST CURRENT | 32 |
| LIGHTING COST POTENTIAL | 32 |
| HEATING COST CURRENT | 236 |
| HEATING COST POTENTIAL | 236 |
| HOT WATER COST CURRENT | 164 |
| HOT WATER COST POTENTIAL | 164 |
| TOTAL FLOOR AREA | 44 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | 1 |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 1 |
| MAIN HEATING CONTROLS | Programmer and room thermostat |
| 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 | Very Good |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.11 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 0.23 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 | (other premises above) |
| ROOF ENERGY EFF | N/A |
| ROOF ENV EFF | N/A |
| MAINHEAT DESCRIPTION | Room heaters, electric |
| MAINHEAT ENERGY EFF | Very Poor |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Programmer and room thermostat |
| 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 | 2.35 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Flat 94, Walter House, Broadwater Road |
| LOCAL AUTHORITY LABEL | — |
| CONSTITUENCY LABEL | — |
| POSTTOWN | Welwyn Garden City |
| CONSTRUCTION AGE BAND | 2024 |
| LODGEMENT DATETIME | 2026-03-26 15:41:42 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 12 |
| LOW ENERGY FIXED LIGHT COUNT | 12 |
| UPRN | — |
| UPRN SOURCE | — |
| REPORT TYPE | 3 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | — |
| Address display | — |
| Nation | ew |