Energy Performance Certificate
Cwmassie House, Redstone Road
SA67 7ES
NARBERTH
Current
C
75
Potential
C
80
At a Glance
About This Property
This detached house is located in NARBERTH, SA67 7ES. The property offers 283m² (3046 sq ft) of generously-sized living space. The property holds an EPC rating of C (75/100), meeting the government's target standard for energy efficiency. This property benefits from a ground 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. Estimated annual energy costs are £1651, comprising £1365 for heating, £177 for hot water, and £109 for lighting. The property produces 5.2 tonnes of CO2 per year, which is moderate for a UK home.
How Does Cwmassie House Compare?
With an energy efficiency score of 75/100, this NARBERTH property is above average, performing better than 60% of UK properties. At £1651 per year, energy costs are below the national average of £1800. At 283m², this property is significantly larger than the average UK home (87m²).
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the SA67 postcode district.
How This Property Compares
vs UK Average
vs NARBERTH
vs SA67
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: £624/year more than the NARBERTH average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 9 Nov 2016
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Property Information
Full Address
Cwmassie House
Redstone Road
SA67 7ES
NARBERTH
Property Type
House
Detached
Construction Age
NO DATA!
Floor Area
283.0 m²
NaN total rooms
NaN heated
Tenure
unknown
Efficiency Score
75 / 100
Potential: 80
CO₂ Emissions
5.2 tonnes/year
18 kg/m²
Energy Consumption
116 kWh/m²/year
Last Inspected
9 Nov 2016
new dwelling
About NARBERTH
NARBERTH is situated in Swansea, Wales. Properties in NARBERTH have an average EPC rating of D (score 55/100). This property performs better than most homes in the area. Heating costs are £338 above the local average, suggesting room for improvement. The SA67 postcode district contains over 2900 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Ground source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric
£1365.0/yr
Hot Water
£177.0/yr
Save £66/yr
Lighting
100.0% low energy
£109.0/yr
Building Elements
Walls
Average thermal transmittance 0.73 W/m-¦K
Roof
Average thermal transmittance 0.59 W/m-¦K
Windows
High performance glazing
Floor
Average thermal transmittance 0.63 W/m-¦K
Heating System
Ground source heat pump, Underfloor heating and radiators, pipes in screed above insulation, electric
Main Fuel
Electricity: electricity, unspecified tariff
Lighting
Low energy lighting in all fixed outlets
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£1,200/yr
£12,000 over 10 years
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£12,000 over 10 years
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Loft Insulation
Your roof is rated Poor. Top up to 270mm for best results.
Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
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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
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
Woolacombe School
PrimaryBerrynarbor Church of England Primary School
PrimaryLast inspected: Nov 2011
Combe Martin Primary School
PrimaryLast inspected: Mar 2023
Georgeham Church of England (VC) Primary School
PrimaryLast inspected: Nov 2019
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: 493 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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Area Safety
The surrounding area (1-mile radius) experiences very low crime levels
Most Common Incidents
April 2026violent crime
8 incidents (40%)
Public order
5 incidents (25%)
Criminal damage
2 incidents (10%)
Theft
2 incidents (10%)
Anti-social behaviour
1 incidents (5%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
Related Property Guides
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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.