Energy Performance Certificate
Gwenlais Fawr, Gwenlais Road
SA4 8DN
SWANSEA
Current
B
89
Potential
A
107
At a Glance
About This Property
This detached house is located in SWANSEA, SA4 8DN. The property offers 192m² (2067 sq ft) of generously-sized living space. With an EPC rating of B (89/100), this property is highly energy efficient, placing it in the top tier of UK homes. With recommended improvements, it could achieve a A rating (107/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. Estimated annual energy costs are £433, comprising £295 for heating, £54 for hot water, and £84 for lighting. The property produces 1.4 tonnes of CO2 per year, which is very low for a UK home.
How Does Gwenlais Fawr Compare?
With an energy efficiency score of 89/100, this SWANSEA property is excellent, ranking in the top 15% nationally. Annual energy costs of £433 are approximately £1367 below the UK average of £1800, representing significant savings. At 192m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 1.4 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 SA4 postcode district.
How This Property Compares
vs UK Average
vs SWANSEA
vs SA4
National Ranking: With an EPC score of 89/100, this property is excellent and performs better than approximately 85% of UK homes for energy efficiency.
Top 15% nationally
Energy Costs: £289/year less than the SWANSEA average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 1 Oct 2014
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Property Information
Full Address
Gwenlais Fawr
Gwenlais Road
Pontarddulais
SA4 8DN
SWANSEA
Property Type
House
Detached
Construction Age
NO DATA!
Floor Area
192.0 m²
NaN total rooms
NaN heated
Tenure
unknown
Efficiency Score
89 / 100
Potential: 107
CO₂ Emissions
1.4 tonnes/year
7 kg/m²
Energy Consumption
41 kWh/m²/year
Last Inspected
1 Oct 2014
new dwelling
About SWANSEA
SWANSEA is situated in Swansea, Wales. Properties in SWANSEA have an average EPC rating of D (score 60/100). This property performs better than most homes in the area. Heating costs are £427 below the SWANSEA average, offering good value. The SA4 postcode district contains over 13800 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£295.0/yr
Save £7/yr
Hot Water
£54.0/yr
Lighting
NaN% low energy
£84.0/yr
Building Elements
Walls
Average thermal transmittance 0.11 W/m-¦K
Roof
Average thermal transmittance 0.08 W/m-¦K
Windows
High performance glazing
Floor
Average thermal transmittance 0.09 W/m-¦K
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
Low energy lighting in all fixed outlets
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📊 Compare with UK-Wide Property Data
See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Nearby Schools
Within 3 miles of this property
Lynton Church of England Primary School
PrimaryLast inspected: May 2023
Combe Martin Primary School
PrimaryLast inspected: Mar 2023
Ilfracombe Church of England Junior School
PrimaryLast inspected: Apr 2019
The Ilfracombe Church of England Academy
SecondaryLast inspected: May 2023
Ilfracombe Infant and Nursery School
PrimaryLast inspected: Nov 2019
Berrynarbor Church of England Primary School
PrimaryLast inspected: Nov 2011
Parracombe Church of England Primary School
PrimaryLast inspected: Mar 2023
Kentisbury Primary School
PrimaryLast inspected: Mar 2023
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: 68 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.