Energy Performance Certificate

24 The Park, Harwell, OX11 0HB

EPC Report

Energy rating

Current: 86 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 86 B Current: 86 B 89 B Potential: 89 B

Environmental impact (CO₂)

Current: 96 | Potential: 97
Current Potential A 92–100 B 81–91 C 69–80 D 55–68 E 39–54 F 21–38 G 1–20 96 Current: 96 97 Potential: 97
Field Value
LMK KEY 9100-8593-0822-2404-3853
ADDRESS1 24 The Park
ADDRESS2 Harwell
ADDRESS3
POSTCODE OX11 0HB
BUILDING REFERENCE NUMBER
CURRENT ENERGY RATING B
POTENTIAL ENERGY RATING B
CURRENT ENERGY EFFICIENCY 86
POTENTIAL ENERGY EFFICIENCY 89
PROPERTY TYPE House
BUILT FORM Semi-Detached
INSPECTION DATE 2025-08-01
LOCAL AUTHORITY E07000180
CONSTITUENCY E14001197
COUNTY
LODGEMENT DATE 2026-05-08
TRANSACTION TYPE Marketed sale
ENVIRONMENT IMPACT CURRENT 96
ENVIRONMENT IMPACT POTENTIAL 97
ENERGY CONSUMPTION CURRENT 45
ENERGY CONSUMPTION POTENTIAL 37
CO2 EMISSIONS CURRENT 0.3
CO2 EMISS CURR PER FLOOR AREA 4
CO2 EMISSIONS POTENTIAL 0.3
LIGHTING COST CURRENT 55
LIGHTING COST POTENTIAL 55
HEATING COST CURRENT 727
HEATING COST POTENTIAL 659
HOT WATER COST CURRENT 415
HOT WATER COST POTENTIAL 359
TOTAL FLOOR AREA 83
ENERGY TARIFF Single
MAINS GAS FLAG N
FLOOR LEVEL
FLAT TOP STOREY N
FLAT STOREY COUNT 2
MAIN HEATING CONTROLS Programmer, TRVs and bypass
MULTI GLAZE PROPORTION 100
GLAZED TYPE
GLAZED AREA
EXTENSION COUNT 0
NUMBER HABITABLE ROOMS 5
NUMBER HEATED ROOMS 2
LOW ENERGY LIGHTING 100
NUMBER OPEN FIREPLACES
HOTWATER DESCRIPTION From main system
HOT WATER ENERGY EFF Average
HOT WATER ENV EFF Very 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 Cavity wall, filled cavity
WALLS ENERGY EFF Good
WALLS ENV EFF Good
SECONDHEAT DESCRIPTION Portable electric heaters (assumed)
SHEATING ENERGY EFF N/A
SHEATING ENV EFF N/A
ROOF DESCRIPTION Pitched, 400+ mm loft insulation
ROOF ENERGY EFF Very Good
ROOF ENV EFF Very Good
MAINHEAT DESCRIPTION Air source heat pump, radiators, electric
MAINHEAT ENERGY EFF Very Good
MAINHEAT ENV EFF Very Good
MAINHEATCONT DESCRIPTION Programmer, TRVs and bypass
MAINHEATC ENERGY EFF Average
MAINHEATC ENV EFF Average
LIGHTING DESCRIPTION Good lighting efficiency
LIGHTING ENERGY EFF Good
LIGHTING ENV EFF Good
MAIN FUEL electricity (not community)
WIND TURBINE COUNT 0
HEAT LOSS CORRIDOR
UNHEATED CORRIDOR LENGTH
FLOOR HEIGHT 2.4
PHOTO SUPPLY
SOLAR WATER HEATING FLAG N
MECHANICAL VENTILATION mechanical extract, decentralised (MEV dc)
ADDRESS 24 The Park, Harwell
LOCAL AUTHORITY LABEL Vale of White Horse
CONSTITUENCY LABEL Didcot and Wantage
POSTTOWN DIDCOT
CONSTRUCTION AGE BAND England and Wales: 1950-1966
LODGEMENT DATETIME 2026-05-08 15:30:36
TENURE rented (social)
FIXED LIGHTING OUTLETS COUNT 10
LOW ENERGY FIXED LIGHT COUNT 10
UPRN 100120915363
UPRN SOURCE Energy Assessor
REPORT TYPE 2
Source file certificates-2026.csv
COUNTRY England
REGION E12000008
Address display
Nation ew