Energy Performance Certificate

28 Emma Waltham Way, SG14 3FT

EPC Report

Energy rating

Current: 86 B | Potential: 93 A
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 86 B Current: 86 B 93 A Potential: 93 A

Environmental impact (CO₂)

Current: 97 | Potential: 98
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 97 Current: 97 98 Potential: 98
Field Value
LMK KEY 6900-3024-0232-2591-3263
ADDRESS1 28 Emma Waltham Way
ADDRESS2
ADDRESS3
POSTCODE SG14 3FT
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING B
POTENTIAL ENERGY RATING A
CURRENT ENERGY EFFICIENCY 86
POTENTIAL ENERGY EFFICIENCY 93
PROPERTY TYPE House
BUILT FORM Detached
INSPECTION DATE 2026-02-12
LOCAL AUTHORITY E07000242
CONSTITUENCY E14001393
COUNTY
LODGEMENT DATE 2026-02-12
TRANSACTION TYPE New dwelling
ENVIRONMENT IMPACT CURRENT 97
ENVIRONMENT IMPACT POTENTIAL 98
ENERGY CONSUMPTION CURRENT 31
ENERGY CONSUMPTION POTENTIAL 15
CO2 EMISSIONS CURRENT 0.3
CO2 EMISS CURR PER FLOOR AREA 2.9
CO2 EMISSIONS POTENTIAL 0.1
LIGHTING COST CURRENT 55
LIGHTING COST POTENTIAL 55
HEATING COST CURRENT 242
HEATING COST POTENTIAL 265
HOT WATER COST CURRENT 257
HOT WATER COST POTENTIAL 187
TOTAL FLOOR AREA 97
ENERGY TARIFF standard tariff
MAINS GAS FLAG
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
NUMBER HABITABLE ROOMS
NUMBER HEATED ROOMS
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES 0
HOTWATER DESCRIPTION From main system
HOT WATER ENERGY EFF Very Good
HOT WATER ENV EFF Very Good
FLOOR DESCRIPTION Average thermal transmittance 0.1 W/m²K
FLOOR ENERGY EFF Very Good
FLOOR ENV EFF Very Good
WINDOWS DESCRIPTION High performance glazing
WINDOWS ENERGY EFF Very Good
WINDOWS ENV EFF Very Good
WALLS DESCRIPTION Average thermal transmittance 0.15 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 0.1 W/m²K
ROOF ENERGY EFF Very Good
ROOF ENV EFF Very Good
MAINHEAT DESCRIPTION Air source heat pump, radiators, electric
MAINHEAT ENERGY EFF Good
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Time and temperature zone control
MAINHEATC ENERGY EFF Very Good
MAINHEATC ENV EFF Very Good
LIGHTING DESCRIPTION Excellent 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 28 Emma Waltham Way
LOCAL AUTHORITY LABEL
CONSTITUENCY LABEL
POSTTOWN WATTON AT STONE
CONSTRUCTION AGE BAND 2025
LODGEMENT DATETIME 2026-02-12 14:23:27
TENURE owner-occupied
FIXED LIGHTING OUTLETS COUNT 22
LOW ENERGY FIXED LIGHT COUNT 22
UPRN 10096487278
UPRN SOURCE Energy Assessor
REPORT TYPE 3
Source file certificates-2026.csv
COUNTRY England
REGION E12000006
Address display
Nation ew