Energy Performance Certificate
17 Derwent Avenue, Steynton, SA73 1HZ
Energy rating
Current: 71 C | Potential: 86 B
Environmental impact (CO₂)
Current: 89
| Potential: 96
| Field | Value |
|---|---|
| LMK KEY | 8035-3529-6509-0632-6296 |
| ADDRESS1 | 17 Derwent Avenue |
| ADDRESS2 | Steynton |
| ADDRESS3 | — |
| POSTCODE | SA73 1HZ |
| BUILDING REFERENCE NUMBER | — |
| CURRENT ENERGY RATING | C |
| POTENTIAL ENERGY RATING | B |
| CURRENT ENERGY EFFICIENCY | 71 |
| POTENTIAL ENERGY EFFICIENCY | 86 |
| PROPERTY TYPE | House |
| BUILT FORM | Mid-Terrace |
| INSPECTION DATE | 2025-11-12 |
| LOCAL AUTHORITY | W06000009 |
| CONSTITUENCY | W07000100 |
| COUNTY | — |
| LODGEMENT DATE | 2025-11-13 |
| TRANSACTION TYPE | Marketed sale |
| ENVIRONMENT IMPACT CURRENT | 89 |
| ENVIRONMENT IMPACT POTENTIAL | 96 |
| ENERGY CONSUMPTION CURRENT | 151 |
| ENERGY CONSUMPTION POTENTIAL | 48 |
| CO2 EMISSIONS CURRENT | 0.8 |
| CO2 EMISS CURR PER FLOOR AREA | 14 |
| CO2 EMISSIONS POTENTIAL | 0.3 |
| LIGHTING COST CURRENT | 59 |
| LIGHTING COST POTENTIAL | 51 |
| HEATING COST CURRENT | 701 |
| HEATING COST POTENTIAL | 354 |
| HOT WATER COST CURRENT | 392 |
| HOT WATER COST POTENTIAL | 332 |
| TOTAL FLOOR AREA | 55 |
| ENERGY TARIFF | Unknown |
| MAINS GAS FLAG | N |
| FLOOR LEVEL | — |
| FLAT TOP STOREY | N |
| FLAT STOREY COUNT | 2 |
| MAIN HEATING CONTROLS | Manual charge control |
| MULTI GLAZE PROPORTION | 100 |
| GLAZED TYPE | — |
| GLAZED AREA | — |
| EXTENSION COUNT | 0 |
| NUMBER HABITABLE ROOMS | 3 |
| NUMBER HEATED ROOMS | 1 |
| LOW ENERGY LIGHTING | 86 |
| NUMBER OPEN FIREPLACES | — |
| HOTWATER DESCRIPTION | Electric immersion, off-peak |
| HOT WATER ENERGY EFF | Average |
| HOT WATER ENV EFF | Very Good |
| FLOOR DESCRIPTION | Solid, no insulation (assumed) |
| FLOOR ENERGY EFF | N/A |
| FLOOR ENV EFF | N/A |
| WINDOWS DESCRIPTION | Fully double glazed |
| WINDOWS ENERGY EFF | Poor |
| WINDOWS ENV EFF | Poor |
| WALLS DESCRIPTION | Timber frame, as built, insulated (assumed) |
| WALLS ENERGY EFF | Good |
| WALLS ENV EFF | Good |
| SECONDHEAT DESCRIPTION | Room heaters, electric |
| SHEATING ENERGY EFF | N/A |
| SHEATING ENV EFF | N/A |
| ROOF DESCRIPTION | Pitched, 250 mm loft insulation |
| ROOF ENERGY EFF | Good |
| ROOF ENV EFF | Good |
| MAINHEAT DESCRIPTION | Electric storage heaters |
| MAINHEAT ENERGY EFF | Average |
| MAINHEAT ENV EFF | Very Good |
| MAINHEATCONT DESCRIPTION | Manual charge control |
| MAINHEATC ENERGY EFF | Poor |
| MAINHEATC ENV EFF | Poor |
| LIGHTING DESCRIPTION | Below average lighting efficiency |
| LIGHTING ENERGY EFF | Average |
| LIGHTING ENV EFF | Average |
| MAIN FUEL | electricity (not community) |
| WIND TURBINE COUNT | 0 |
| HEAT LOSS CORRIDOR | — |
| UNHEATED CORRIDOR LENGTH | — |
| FLOOR HEIGHT | 2.28 |
| PHOTO SUPPLY | 0 |
| SOLAR WATER HEATING FLAG | N |
| MECHANICAL VENTILATION | natural |
| ADDRESS | 17 Derwent Avenue, Steynton |
| LOCAL AUTHORITY LABEL | Pembrokeshire |
| CONSTITUENCY LABEL | Mid and South Pembrokeshire |
| POSTTOWN | MILFORD HAVEN |
| CONSTRUCTION AGE BAND | England and Wales: 1983-1990 |
| LODGEMENT DATETIME | 2025-11-13 09:37:39 |
| TENURE | owner-occupied |
| FIXED LIGHTING OUTLETS COUNT | 7 |
| LOW ENERGY FIXED LIGHT COUNT | 6 |
| UPRN | 100100288712 |
| UPRN SOURCE | Energy Assessor |
| REPORT TYPE | 2 |
| Source file | certificates-2025.csv |
| COUNTRY | Wales |
| REGION | W99999999 |
| Address display | — |
| Nation | ew |