Energy Performance Certificate

12 Cobnut Close, AL10 9AD

EPC Report

Energy rating

Current: 79 C | Potential: 79 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 79 C Current: 79 C 79 C Potential: 79 C

Environmental impact (CO₂)

Current: 95 | Potential: 95
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 95 Current: 95 95 Potential: 95
Field Value
LMK KEY 9397-3008-6301-0874-4204
ADDRESS1 12 Cobnut Close
ADDRESS2
ADDRESS3
POSTCODE AL10 9AD
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 79
POTENTIAL ENERGY EFFICIENCY 79
PROPERTY TYPE Flat
BUILT FORM Detached
INSPECTION DATE 2024-09-11
LOCAL AUTHORITY E07000241
CONSTITUENCY E14001573
COUNTY
LODGEMENT DATE 2024-09-11
TRANSACTION TYPE New dwelling
ENVIRONMENT IMPACT CURRENT 95
ENVIRONMENT IMPACT POTENTIAL 95
ENERGY CONSUMPTION CURRENT 61
ENERGY CONSUMPTION POTENTIAL 61
CO2 EMISSIONS CURRENT 0.4
CO2 EMISS CURR PER FLOOR AREA 5.8
CO2 EMISSIONS POTENTIAL 0.4
LIGHTING COST CURRENT 43
LIGHTING COST POTENTIAL 43
HEATING COST CURRENT 471
HEATING COST POTENTIAL 471
HOT WATER COST CURRENT 248
HOT WATER COST POTENTIAL 248
TOTAL FLOOR AREA 62
ENERGY TARIFF off-peak 7 hour
MAINS GAS FLAG
FLOOR LEVEL 3
FLAT TOP STOREY Y
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 Electric immersion, off-peak
HOT WATER ENERGY EFF Poor
HOT WATER ENV EFF Very Good
FLOOR DESCRIPTION (other premises below)
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 Average thermal transmittance 0.18 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 0.11 W/m²K
ROOF ENERGY EFF Very Good
ROOF ENV EFF Very Good
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 Excelent lighting efficiency
LIGHTING ENERGY EFF Very Good
LIGHTING ENV EFF Very Good
MAIN FUEL Electricity: electricity, unspecified tariff
WIND TURBINE COUNT
HEAT LOSS CORRIDOR
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.36
PHOTO SUPPLY
SOLAR WATER HEATING FLAG
MECHANICAL VENTILATION
ADDRESS 12 Cobnut Close
LOCAL AUTHORITY LABEL Welwyn Hatfield
CONSTITUENCY LABEL Welwyn Hatfield
POSTTOWN Hatfield
CONSTRUCTION AGE BAND 2024
LODGEMENT DATETIME 2024-09-11 16:17:38
TENURE unknown
FIXED LIGHTING OUTLETS COUNT 10
LOW ENERGY FIXED LIGHT COUNT 10
UPRN 10095912551
UPRN SOURCE Address Matched
REPORT TYPE 3
Source file certificates-2024.csv
COUNTRY England
REGION E12000006
Address display
Nation ew