Energy Performance Certificate

25 Holly Drive, HP4 2JR

EPC Report

Energy rating

Current: 87 B | Potential: 89 B
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 87 B Current: 87 B 89 B Potential: 89 B

Environmental impact (CO₂)

Current: 77 | Potential: 79
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 77 Current: 77 79 Potential: 79
Field Value
LMK KEY 2170-2560-6050-5092-2805
ADDRESS1 25 Holly Drive
ADDRESS2
ADDRESS3
POSTCODE HP4 2JR
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING B
POTENTIAL ENERGY RATING B
CURRENT ENERGY EFFICIENCY 87
POTENTIAL ENERGY EFFICIENCY 89
PROPERTY TYPE House
BUILT FORM End-Terrace
INSPECTION DATE 2025-10-02
LOCAL AUTHORITY E07000096
CONSTITUENCY E14001268
COUNTY
LODGEMENT DATE 2025-11-03
TRANSACTION TYPE Re-mortgaging
ENVIRONMENT IMPACT CURRENT 77
ENVIRONMENT IMPACT POTENTIAL 79
ENERGY CONSUMPTION CURRENT 143
ENERGY CONSUMPTION POTENTIAL 134
CO2 EMISSIONS CURRENT 2.1
CO2 EMISS CURR PER FLOOR AREA 26
CO2 EMISSIONS POTENTIAL 1.9
LIGHTING COST CURRENT 61
LIGHTING COST POTENTIAL 61
HEATING COST CURRENT 781
HEATING COST POTENTIAL 735
HOT WATER COST CURRENT 234
HOT WATER COST POTENTIAL 234
TOTAL FLOOR AREA 79
ENERGY TARIFF dual
MAINS GAS FLAG Y
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 1
NUMBER HABITABLE ROOMS 4
NUMBER HEATED ROOMS 4
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES 0
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 Fully double glazed
WINDOWS ENERGY EFF Poor
WINDOWS ENV EFF Poor
WALLS DESCRIPTION Solid brick, with external insulation
WALLS ENERGY EFF Good
WALLS ENV EFF Good
SECONDHEAT DESCRIPTION None
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Pitched, 350 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 2.45
PHOTO SUPPLY
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION mechanical extract, decentralised (MEV dc)
ADDRESS 25 Holly Drive
LOCAL AUTHORITY LABEL Dacorum
CONSTITUENCY LABEL Harpenden and Berkhamsted
POSTTOWN BERKHAMSTED
CONSTRUCTION AGE BAND England and Wales: 1930-1949
LODGEMENT DATETIME 2025-11-03 15:19:52
TENURE rented (social)
FIXED LIGHTING OUTLETS COUNT 10
LOW ENERGY FIXED LIGHT COUNT 10
UPRN 100080676552
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2025.csv
COUNTRY England
REGION E12000006
Address display
Nation ew