Energy Performance Certificate
229 Ash Grove, Harefield, UB9 6HA
Energy rating
Current: 69 C | Potential: 77 C
Environmental impact (CO₂)
Current: 77
| Potential: 81
| Field | Value |
|---|---|
| LMK KEY | 0340-2578-3550-2396-2835 |
| ADDRESS1 | 229 Ash Grove |
| ADDRESS2 | Harefield |
| ADDRESS3 | — |
| POSTCODE | UB9 6HA |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | C |
| CURRENT ENERGY EFFICIENCY | 69 |
| POTENTIAL ENERGY EFFICIENCY | 77 |
| PROPERTY TYPE | Bungalow |
| BUILT FORM | Semi-Detached |
| INSPECTION DATE | 2026-05-18 |
| LOCAL AUTHORITY | E09000017 |
| CONSTITUENCY | E14001454 |
| COUNTY | — |
| LODGEMENT DATE | 2026-06-02 |
| TRANSACTION TYPE | Rental |
| ENVIRONMENT IMPACT CURRENT | 77 |
| ENVIRONMENT IMPACT POTENTIAL | 81 |
| ENERGY CONSUMPTION CURRENT | 194 |
| ENERGY CONSUMPTION POTENTIAL | 145 |
| CO2 EMISSIONS CURRENT | 1.3 |
| CO2 EMISS CURR PER FLOOR AREA | 33 |
| CO2 EMISSIONS POTENTIAL | 1.1 |
| LIGHTING COST CURRENT | 30 |
| LIGHTING COST POTENTIAL | 30 |
| HEATING COST CURRENT | 492 |
| HEATING COST POTENTIAL | 431 |
| HOT WATER COST CURRENT | 243 |
| HOT WATER COST POTENTIAL | 243 |
| TOTAL FLOOR AREA | 40 |
| ENERGY TARIFF | Single |
| MAINS GAS FLAG | Y |
| 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 | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 3 |
| LOW ENERGY LIGHTING | 100 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | From main system |
| HOT WATER ENERGY EFF | Good |
| HOT WATER ENV EFF | Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | High performance glazing |
| WINDOWS ENERGY EFF | Very Good |
| WINDOWS ENV EFF | Very Good |
| WALLS DESCRIPTION | Cavity wall, filled cavity |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | None |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 300 mm loft insulation |
| ROOF ENERGY EFF | Very Good |
| ROOF ENV EFF | Very Good |
| MAINHEAT DESCRIPTION | Boiler and radiators, mains gas |
| MAINHEAT ENERGY EFF | Good |
| MAINHEAT ENV EFF | 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 | mains gas (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.42 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | mechanical extract, decentralised (MEV dc) |
| ADDRESS | 229 Ash Grove, Harefield |
| LOCAL AUTHORITY LABEL | Hillingdon |
| CONSTITUENCY LABEL | Ruislip, Northwood and Pinner |
| POSTTOWN | UXBRIDGE |
| CONSTRUCTION AGE BAND | England and Wales: 1950-1966 |
| LODGEMENT DATETIME | 2026-06-02 13:19:54 |
| TENURE | rented (social) |
| FIXED LIGHTING OUTLETS COUNT | 9 |
| LOW ENERGY FIXED LIGHT COUNT | 9 |
| UPRN | 100021473546 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2026.csv |
| COUNTRY | England |
| REGION | E12000007 |
| Address display | — |
| Nation | ew |