Energy Performance Certificate

27 King James Way, SG8 7EF

EPC Report

Energy rating

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

Environmental impact (CO₂)

Current: 85 | Potential: 85
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 85 Current: 85 85 Potential: 85
Field Value
LMK KEY 2687-9043-3372-1663-3281
ADDRESS1 27 King James Way
ADDRESS2
ADDRESS3
POSTCODE SG8 7EF
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING C
POTENTIAL ENERGY RATING C
CURRENT ENERGY EFFICIENCY 80
POTENTIAL ENERGY EFFICIENCY 80
PROPERTY TYPE Flat
BUILT FORM Mid-Terrace
INSPECTION DATE 2026-01-06
LOCAL AUTHORITY E07000099
CONSTITUENCY E14001393
COUNTY
LODGEMENT DATE 2026-01-06
TRANSACTION TYPE Rental
ENVIRONMENT IMPACT CURRENT 85
ENVIRONMENT IMPACT POTENTIAL 85
ENERGY CONSUMPTION CURRENT 117
ENERGY CONSUMPTION POTENTIAL 117
CO2 EMISSIONS CURRENT 1
CO2 EMISS CURR PER FLOOR AREA 21
CO2 EMISSIONS POTENTIAL 1
LIGHTING COST CURRENT 37
LIGHTING COST POTENTIAL 37
HEATING COST CURRENT 292
HEATING COST POTENTIAL 292
HOT WATER COST CURRENT 142
HOT WATER COST POTENTIAL 142
TOTAL FLOOR AREA 46
ENERGY TARIFF Single
MAINS GAS FLAG Y
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 0
NUMBER HABITABLE ROOMS 3
NUMBER HEATED ROOMS 3
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 (another dwelling below)
FLOOR ENERGY EFF N/A
FLOOR ENV EFF N/A
WINDOWS DESCRIPTION Fully double glazed
WINDOWS ENERGY EFF Average
WINDOWS ENV EFF Average
WALLS DESCRIPTION Timber frame, as built, insulated (assumed)
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 Programmer and room thermostat
MAINHEATC ENERGY EFF Average
MAINHEATC ENV EFF Average
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
UNHEATED CORRIDOR LENGTH 6.66
FLOOR HEIGHT 2.2
PHOTO SUPPLY 0
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION natural
ADDRESS 27 King James Way
LOCAL AUTHORITY LABEL North Hertfordshire
CONSTITUENCY LABEL North East Hertfordshire
POSTTOWN ROYSTON
CONSTRUCTION AGE BAND England and Wales: 1983-1990
LODGEMENT DATETIME 2026-01-06 19:35:04
TENURE rented (private)
FIXED LIGHTING OUTLETS COUNT 8
LOW ENERGY FIXED LIGHT COUNT 8
UPRN 100080825866
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000006
Address display
Nation ew