Energy Performance Certificate
Windward House, 25A Chalk Lane, Sidelsham, PO20 7LW
Energy rating
Current: 97 A | Potential: 108 A
Environmental impact (CO₂)
Current: 100
| Potential: 102
| Field | Value |
|---|---|
| LMK KEY | 9535-7534-2000-0749-9296 |
| ADDRESS1 | Windward House |
| ADDRESS2 | 25A Chalk Lane |
| ADDRESS3 | Sidelsham |
| POSTCODE | PO20 7LW |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | A |
| POTENTIAL ENERGY RATING | A |
| CURRENT ENERGY EFFICIENCY | 97 |
| POTENTIAL ENERGY EFFICIENCY | 108 |
| PROPERTY TYPE | House |
| BUILT FORM | Detached |
| INSPECTION DATE | 2025-04-11 |
| LOCAL AUTHORITY | E07000225 |
| CONSTITUENCY | E14001166 |
| COUNTY | — |
| LODGEMENT DATE | 2025-04-11 |
| TRANSACTION TYPE | New dwelling |
| ENVIRONMENT IMPACT CURRENT | 100 |
| ENVIRONMENT IMPACT POTENTIAL | 102 |
| ENERGY CONSUMPTION CURRENT | -1 |
| ENERGY CONSUMPTION POTENTIAL | -21 |
| CO2 EMISSIONS CURRENT | -0.1 |
| CO2 EMISS CURR PER FLOOR AREA | -0.4 |
| CO2 EMISSIONS POTENTIAL | -0.7 |
| LIGHTING COST CURRENT | 93 |
| LIGHTING COST POTENTIAL | 93 |
| HEATING COST CURRENT | 479 |
| HEATING COST POTENTIAL | 500 |
| HOT WATER COST CURRENT | 788 |
| HOT WATER COST POTENTIAL | 574 |
| TOTAL FLOOR AREA | 253 |
| ENERGY TARIFF | standard tariff |
| MAINS GAS FLAG | — |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| 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 |
| HOT WATER ENERGY EFF | Very Poor |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Average thermal transmittance 0.12 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 0.13 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 0.13 W/m²K |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Air source heat pump, radiators and underfloor, electric |
| MAINHEAT ENERGY EFF | Very Good |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Time and temperature zone control |
| MAINHEATC ENERGY EFF | Very Good |
| MAINHEATC ENV EFF | Very 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 | 3.23 |
| PHOTO SUPPLY | — |
| SOLAR WATER HEATING FLAG | — |
| MECHANICAL VENTILATION | — |
| ADDRESS | Windward House, 25A Chalk Lane, Sidelsham |
| LOCAL AUTHORITY LABEL | Chichester |
| CONSTITUENCY LABEL | Chichester |
| POSTTOWN | Chichester |
| CONSTRUCTION AGE BAND | 2025 |
| LODGEMENT DATETIME | 2025-04-11 07:46:30 |
| TENURE | unknown |
| FIXED LIGHTING OUTLETS COUNT | 40 |
| LOW ENERGY FIXED LIGHT COUNT | 40 |
| UPRN | 10096648184 |
| UPRN SOURCE | Address Matched |
| REPORT TYPE | 3 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |