Energy Performance Certificate

46 Twynham Road, SL6 5AS

EPC Report

Energy rating

Current: 103 A | Potential: 103 A
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 103 A Current: 103 A 103 A Potential: 103 A

Environmental impact (CO₂)

Current: 103 | Potential: 103
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 103 Current: 103 103 Potential: 103
Field Value
LMK KEY 9590-2196-0832-5501-3053
ADDRESS1 46 Twynham Road
ADDRESS2
ADDRESS3
POSTCODE SL6 5AS
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING A
POTENTIAL ENERGY RATING A
CURRENT ENERGY EFFICIENCY 103
POTENTIAL ENERGY EFFICIENCY 103
PROPERTY TYPE House
BUILT FORM Detached
INSPECTION DATE 2025-10-01
LOCAL AUTHORITY E06000040
CONSTITUENCY E14001348
COUNTY
LODGEMENT DATE 2025-10-01
TRANSACTION TYPE New dwelling
ENVIRONMENT IMPACT CURRENT 103
ENVIRONMENT IMPACT POTENTIAL 103
ENERGY CONSUMPTION CURRENT -25
ENERGY CONSUMPTION POTENTIAL -25
CO2 EMISSIONS CURRENT -0.8
CO2 EMISS CURR PER FLOOR AREA -4
CO2 EMISSIONS POTENTIAL -0.8
LIGHTING COST CURRENT 184
LIGHTING COST POTENTIAL 184
HEATING COST CURRENT 469
HEATING COST POTENTIAL 469
HOT WATER COST CURRENT 222
HOT WATER COST POTENTIAL 222
TOTAL FLOOR AREA 196
ENERGY TARIFF off-peak 7 hour
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 Good
HOT WATER ENV EFF Very Good
FLOOR DESCRIPTION Average thermal transmittance 0.16 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 0.16 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 Air source heat pump, underfloor, 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 Low energy lighting in all fixed outlets
LIGHTING ENERGY EFF Very Good
LIGHTING ENV EFF Very Good
MAIN FUEL Electricity: electricity, unspecified tariff
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.5
PHOTO SUPPLY
SOLAR WATER HEATING FLAG
MECHANICAL VENTILATION
ADDRESS 46 Twynham Road
LOCAL AUTHORITY LABEL Windsor and Maidenhead
CONSTITUENCY LABEL Maidenhead
POSTTOWN MAIDENHEAD
CONSTRUCTION AGE BAND 2021
LODGEMENT DATETIME 2025-10-01 13:56:51
TENURE unknown
FIXED LIGHTING OUTLETS COUNT 16
LOW ENERGY FIXED LIGHT COUNT 16
UPRN 100080366835
UPRN SOURCE Energy Assessor
REPORT TYPE 3
Source file certificates-2025.csv
COUNTRY England
REGION E12000008
Address display
Nation ew