At a Glance
This semi-detached house is located in POTTERS BAR, EN6 5JG. The property offers 155m² (1668 sq ft) of spacious living space with 6 habitable rooms. It is a characterful interwar or early 20th century home. The property holds an EPC rating of C (71/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (91/100). The gas central heating system has average efficiency, indicating a boiler that may be 10-15 years old. While functional, upgrading to a modern A-rated condensing boiler could improve efficiency by 15-25%. The solid walls lack insulation. Solid wall insulation (external or internal) typically costs £8,000-£14,000 but can reduce heat loss by up to 35% and improve your EPC rating by 1-2 bands. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £1567, comprising £1323 for heating, £148 for hot water, and £96 for lighting. The property produces 5.0 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in October 2020 for £580,000.
With an energy efficiency score of 71/100, this POTTERS BAR property is above average, performing better than 60% of UK properties. At £1567 per year, energy costs are below the national average of £1800. At 155m², 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 EN6 postcode district.
National Ranking: With an EPC score of 71/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £726/year more than the POTTERS BAR average
Current Rating
Potential Rating
With recommended improvements
Based on assessment dated 16 Jul 2014
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Full Address
48, Cotton Road
EN6 5JG
POTTERS BAR
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1930-1949
Floor Area
155.0 m²
6.0 total rooms
6.0 heated
Tenure
owner-occupied
Efficiency Score
71 / 100
Potential: 91
CO₂ Emissions
5.0 tonnes/year
33 kg/m²
Energy Consumption
165 kWh/m²/year
Last Inspected
16 Jul 2014
non marketed sale
POTTERS BAR is situated in Hertfordshire, East of England. Properties in POTTERS BAR have an average EPC rating of D (score 60/100). This property performs better than most homes in the area. Heating costs are £482 above the local average, suggesting room for improvement. The EN6 postcode district contains over 9100 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the POTTERS BAR area.
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£580,000
16 October 2020
Type: Semi-Detached
Heating
Boiler and radiators, mains gas
£1323.0/yr
Save £703/yr
Hot Water
£148.0/yr
Save £56/yr
Lighting
75.0% low energy
£96.0/yr
Walls
Solid brick, as built, no insulation (assumed)
Roof
Pitched, 200 mm loft insulation
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 75% of fixed outlets
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£1,159/yr
£11,590 over 10 years
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£1,159/yr
£11,590 over 10 years
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Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Your walls are rated Very Poor. External insulation can dramatically reduce heat loss.
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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
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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: 500 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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All properties in EN6 • 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.
Compare your energy costs with UK averages. See if you're paying too much.
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.