Energy Performance Certificate
15 Windmill Street, Brill, HP18 9SZ
Energy rating
Current: 55 D | Potential: 68 D
Environmental impact (CO₂)
Current: 50
| Potential: 60
| Field | Value |
|---|---|
| LMK KEY | 4100-6882-0622-6590-3653 |
| ADDRESS1 | 15 Windmill Street |
| ADDRESS2 | Brill |
| ADDRESS3 | — |
| POSTCODE | HP18 9SZ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | D |
| POTENTIAL ENERGY RATING | D |
| CURRENT ENERGY EFFICIENCY | 55 |
| POTENTIAL ENERGY EFFICIENCY | 68 |
| PROPERTY TYPE | House |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2025-06-18 |
| LOCAL AUTHORITY | E06000060 |
| CONSTITUENCY | E14001360 |
| COUNTY | — |
| LODGEMENT DATE | 2025-06-24 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 50 |
| ENVIRONMENT IMPACT POTENTIAL | 60 |
| ENERGY CONSUMPTION CURRENT | 213 |
| ENERGY CONSUMPTION POTENTIAL | 157 |
| CO2 EMISSIONS CURRENT | 6.5 |
| CO2 EMISS CURR PER FLOOR AREA | 49 |
| CO2 EMISSIONS POTENTIAL | 5.0 |
| LIGHTING COST CURRENT | 83 |
| LIGHTING COST POTENTIAL | 83 |
| HEATING COST CURRENT | 1672 |
| HEATING COST POTENTIAL | 1252 |
| HOT WATER COST CURRENT | 284 |
| HOT WATER COST POTENTIAL | 285 |
| TOTAL FLOOR AREA | 133 |
| ENERGY TARIFF | dual |
| MAINS GAS FLAG | N |
| 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 | 3 |
| NUMBER HABITABLE ROOMS | 6 |
| NUMBER HEATED ROOMS | 6 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Average |
| FLOOR DESCRIPTION | Solid, no insulation (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 | Solid brick, as built, no insulation (assumed) |
| WALLS ENERGY EFF | Very Poor |
| WALLS ENV EFF | Very Poor |
| SECONDHEAT DESCRIPTION | Room heaters, dual fuel (mineral and wood) |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 50 mm loft insulation |
| ROOF ENERGY EFF | Poor |
| ROOF ENV EFF | Poor |
| MAINHEAT DESCRIPTION | Boiler and radiators, oil |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Average |
| 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 | oil (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.4 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | mechanical extract, decentralised (MEV dc) |
| ADDRESS | 15 Windmill Street, Brill |
| LOCAL AUTHORITY LABEL | Buckinghamshire |
| CONSTITUENCY LABEL | Mid Buckinghamshire |
| POSTTOWN | AYLESBURY |
| CONSTRUCTION AGE BAND | England and Wales: before 1900 |
| LODGEMENT DATETIME | 2025-06-24 16:33:52 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 30 |
| LOW ENERGY FIXED LIGHT COUNT | 30 |
| UPRN | 766029898 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | England |
| REGION | E12000008 |
| Address display | — |
| Nation | ew |