Energy Performance Certificate
9 PLAS Y DDOL, JOHNSTOWN
SA31 3PL
CARMARTHEN
Current
C
69
Potential
B
87
At a Glance
About This Property
This semi-detached house is located in CARMARTHEN, SA31 3PL. The property offers 53m² (570 sq ft) of modest-sized living space with 3 habitable rooms. It is a 1990s-era home. The property holds an EPC rating of C (69/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (87/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. Double glazing is installed, though the efficiency rating suggests older units. Modern low-E double glazing can be up to 40% more efficient than units installed before 2002. Estimated annual energy costs are £563, comprising £425 for heating, £70 for hot water, and £68 for lighting. The property produces 2.1 tonnes of CO2 per year, which is low for a UK home. The property last sold in August 2021 for £145,000.
How Does 9 PLAS Y DDOL Compare?
With an energy efficiency score of 69/100, this CARMARTHEN property is above average, performing better than 60% of UK properties. Annual energy costs of £563 are approximately £1237 below the UK average of £1800, representing significant savings. With 53m² of space, this is a more compact property compared to the UK average of 87m². 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 SA31 postcode district.
How This Property Compares
vs UK Average
vs CARMARTHEN
vs SA31
National Ranking: With an EPC score of 69/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £464/year less than the CARMARTHEN average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 22 Apr 2021
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Property Information
Full Address
9 PLAS Y DDOL
JOHNSTOWN
CARMARTHEN
SA31 3PL
CARMARTHEN
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1991-1995
Floor Area
53.0 m²
3.0 total rooms
3.0 heated
Tenure
Owner-occupied
Efficiency Score
69 / 100
Potential: 87
CO₂ Emissions
2.1 tonnes/year
39 kg/m²
Energy Consumption
221 kWh/m²/year
Last Inspected
22 Apr 2021
marketed sale
About CARMARTHEN
CARMARTHEN is situated in Swansea, Wales. Properties in CARMARTHEN have an average EPC rating of D (score 56/100). This property performs better than most homes in the area. Heating costs are £602 below the CARMARTHEN average, offering good value. The SA31 postcode district contains over 6700 registered properties.
Location & Nearby Area
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Property Sale History
£145,000
13 August 2021
Type: Terraced
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£425.0/yr
Save £30/yr
Hot Water
£70/yr
Save £24/yr
Lighting
55.0% low energy
£68.0/yr
Save £22/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 150 mm loft insulation
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 55% of fixed outlets
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View UK Property Insights →Nearby Schools
Within 3 miles of this property
Ilfracombe Church of England Junior School
PrimaryLast inspected: Apr 2019
Ilfracombe Infant and Nursery School
PrimaryLast inspected: Nov 2019
The Ilfracombe Church of England Academy
SecondaryLast inspected: May 2023
Combe Martin Primary School
PrimaryLast inspected: Mar 2023
Berrynarbor Church of England Primary School
PrimaryLast inspected: Nov 2011
Woolacombe School
PrimaryLynton Church of England Primary School
PrimaryLast inspected: May 2023
West Down School
PrimaryLast inspected: Oct 2019
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.
Broadband & Connectivity
Average download speed: 500 Mbps
Download Speed
Upload Speed
Available Providers
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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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.