At a Glance
This semi-detached house is located in ABERDARE, CF44 9RD. The property offers 76m² (818 sq ft) of modest-sized living space with 5 habitable rooms. It is a recently constructed modern home. The property holds an EPC rating of C (75/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (89/100). This property benefits from a air source heat pump system, which can deliver 3-4 units of heat for every unit of electricity used. Heat pumps are eligible for the £7,500 Boiler Upgrade Scheme grant, making them increasingly popular for UK homes seeking to reduce carbon emissions. The property has modern timber frame or system-built walls, which typically offer good insulation properties when properly maintained. The loft insulation is rated very good, meeting or exceeding the recommended 270mm depth for optimal thermal performance. Triple-glazed windows provide excellent insulation, reducing heat loss by up to 40% compared to single glazing and offering superior noise reduction of up to 35dB. Estimated annual energy costs are £820, comprising £469 for heating, £276 for hot water, and £75 for lighting. The property produces 2.1 tonnes of CO2 per year, which is low for a UK home.
With an energy efficiency score of 75/100, this ABERDARE property is above average, performing better than 60% of UK properties. Annual energy costs of £820 are approximately £980 below the UK average of £1800, representing significant savings. CO2 emissions of 2.1 tonnes/year are less than half the UK household average, making this an environmentally friendly choice.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the CF44 postcode district.
National Ranking: With an EPC score of 75/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £36/year more than the ABERDARE average
Current Rating
Potential Rating
With recommended improvements
Based on assessment dated 28 Oct 2022
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Full Address
21 Ger Y Mynydd
Hirwaun
CF44 9RD
ABERDARE
Property Type
House
Semi-Detached
Construction Age
England and Wales: 2012 onwards
Floor Area
76.0 m²
5.0 total rooms
5.0 heated
Tenure
Rented (social)
Efficiency Score
75 / 100
Potential: 89
CO₂ Emissions
2.1 tonnes/year
27 kg/m²
Energy Consumption
162 kWh/m²/year
Last Inspected
28 Oct 2022
rental
ABERDARE is situated in Cardiff, Wales. Properties in ABERDARE have an average EPC rating of D (score 60/100). This property performs better than most homes in the area. Heating costs are £315 below the ABERDARE average, offering good value. The CF44 postcode district contains over 13200 registered properties. As a modern build, this property benefits from contemporary construction standards and improved energy efficiency requirements.
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Heating
Air source heat pump, radiators, electric
£469.0/yr
Hot Water
£276.0/yr
Save £97/yr
Lighting
100.0% low energy
£75.0/yr
Walls
Timber frame, as built, insulated (assumed)
Roof
Pitched, 300 mm loft insulation
Windows
Fully triple glazed
Floor
Solid, insulated (assumed)
Heating System
Air source heat pump, radiators, electric
Main Fuel
electricity (not community)
Lighting
Low energy lighting in all fixed outlets
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See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Within 3 miles of this property
Last inspected: Sept 2018
Last inspected: Dec 2022
Last inspected: Oct 2023
Last inspected: Feb 2023
Last inspected: Mar 2022
Last inspected: Jan 2020
Last inspected: Dec 2018
About school ratings: Ofsted ratings range from Outstanding to Inadequate. These ratings are based on inspections of teaching quality, leadership, pupil behavior, and safety. Note that school catchment areas vary - check with the school or local council for admission details.
Data source: School information from Get Information About Schools (GIAS). Distances are approximate. Always verify school catchment areas directly with the school or local education authority.
Average download speed: 165 Mbps
What do these speeds mean? 10-30 Mbps: Good for browsing and streaming. 30-100 Mbps: Great for multiple users and HD streaming. 100-300 Mbps: Excellent for 4K streaming and gaming. 300+ Mbps: Perfect for large households and heavy internet use.
Data source: Broadband speeds are from Ofcom Connected Nations 2025 report (July 2025 release). Data shows typical speeds available in this postcode area. Actual speeds at this specific property may vary depending on line quality, distance from exchange, and chosen provider. Always verify availability with providers before committing.
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The surrounding area (1-mile radius) has low crime compared to national averages
violent crime
8 incidents (25%)
Public order
7 incidents (22%)
Criminal damage
5 incidents (16%)
Anti-social behaviour
3 incidents (9%)
Theft
3 incidents (9%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
Showing properties in the same postcode. Click to view detailed EPC data for each property.
Explore nearby properties with EPC ratings in the CF44 postcode district
All properties in CF44 • Click to view detailed energy performance data
Based on this property's characteristics, these guides might help you:
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
Avoid fines up to £30,000. Understand minimum EPC ratings and compliance deadlines.
Understanding A-G ratings, what each means, and how UK properties compare.
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About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented. Learn more about EPCs or book an EPC assessment.
Cost estimates are approximate and actual savings may vary. Find local tradesmen to get accurate quotes for improvements.
Data Sources: This report contains public sector information licensed under the Open Government Licence v3.0.
Data from: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, and Police.uk crime statistics.