Energy Performance Certificate

Flat 16, 158b Marlowes, HP1 1BA

EPC Report

Energy rating

Current: 78 C | Potential: 78 C
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 78 C Current: 78 C 78 C Potential: 78 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 2003-3047-0302-8645-0200
ADDRESS1 Flat 16
ADDRESS2 158b Marlowes
ADDRESS3
POSTCODE HP1 1BA
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 78
POTENTIAL ENERGY EFFICIENCY 78
PROPERTY TYPE Flat
BUILT FORM Mid-Terrace
INSPECTION DATE 2025-02-20
LOCAL AUTHORITY E07000096
CONSTITUENCY E14001278
COUNTY
LODGEMENT DATE 2025-02-20
TRANSACTION TYPE New dwelling
ENVIRONMENT IMPACT CURRENT 95
ENVIRONMENT IMPACT POTENTIAL 95
ENERGY CONSUMPTION CURRENT 89
ENERGY CONSUMPTION POTENTIAL 89
CO2 EMISSIONS CURRENT 0.3
CO2 EMISS CURR PER FLOOR AREA 8.3
CO2 EMISSIONS POTENTIAL 0.3
LIGHTING COST CURRENT 38
LIGHTING COST POTENTIAL 38
HEATING COST CURRENT 124
HEATING COST POTENTIAL 124
HOT WATER COST CURRENT 306
HOT WATER COST POTENTIAL 306
TOTAL FLOOR AREA 34
ENERGY TARIFF off-peak 7 hour
MAINS GAS FLAG
FLOOR LEVEL 3
FLAT TOP STOREY Y
FLAT STOREY COUNT 1
MAIN HEATING CONTROLS Controls for high heat retention storage heaters
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 instantaneous at point of use
HOT WATER ENERGY EFF Very 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 0.13 W/m²K
ROOF ENERGY EFF Very Good
ROOF ENV EFF Very Good
MAINHEAT DESCRIPTION Electric storage heaters
MAINHEAT ENERGY EFF Average
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Controls for high heat retention storage heaters
MAINHEATC ENERGY EFF Good
MAINHEATC ENV EFF 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 2.5
PHOTO SUPPLY
SOLAR WATER HEATING FLAG
MECHANICAL VENTILATION
ADDRESS Flat 16, 158b Marlowes
LOCAL AUTHORITY LABEL Dacorum
CONSTITUENCY LABEL Hemel Hempstead
POSTTOWN HEMEL HEMPSTEAD
CONSTRUCTION AGE BAND 2025
LODGEMENT DATETIME 2025-02-20 17:53:02
TENURE unknown
FIXED LIGHTING OUTLETS COUNT 5
LOW ENERGY FIXED LIGHT COUNT 5
UPRN 10095350939
UPRN SOURCE Energy Assessor
REPORT TYPE 3
Source file certificates-2025.csv
COUNTRY England
REGION E12000006
Address display
Nation ew