Energy Performance Certificate
Jupiter, Coopers Lane
EN6 4NJ
POTTERS BAR
Current
C
78
Potential
B
86
At a Glance
About This Property
This detached house is located in POTTERS BAR, EN6 4NJ. The property offers 483m² (5199 sq ft) of generously-sized living space with 10 habitable rooms. It is a modern property built in the 2000s. The property holds an EPC rating of C (78/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (86/100). 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 £2054, comprising £1742 for heating, £121 for hot water, and £191 for lighting. The property produces 10.7 tonnes of CO2 per year, which is high for a UK home.
How Does Jupiter Compare?
With an energy efficiency score of 78/100, this POTTERS BAR property is above average, performing better than 60% of UK properties. Annual energy costs of £2054 are close to the UK average. At 483m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 10.7 tonnes/year are above average. Energy improvements could significantly reduce the property's carbon footprint.
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.
How This Property Compares
vs UK Average
vs POTTERS BAR
vs EN6
National Ranking: With an EPC score of 78/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £1213/year more than the POTTERS BAR average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 7 Dec 2022
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Property Information
Full Address
Jupiter
Coopers Lane
Northaw
EN6 4NJ
POTTERS BAR
Property Type
House
Detached
Construction Age
England and Wales: 2007-2011
Floor Area
483.0 m²
10.0 total rooms
10.0 heated
Tenure
Owner-occupied
Efficiency Score
78 / 100
Potential: 86
CO₂ Emissions
10.7 tonnes/year
22 kg/m²
Energy Consumption
125 kWh/m²/year
Last Inspected
7 Dec 2022
marketed sale
About POTTERS BAR
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 £901 above the local average, suggesting room for improvement. The EN6 postcode district contains over 9100 registered properties. As a modern build, this property benefits from contemporary construction standards and improved energy efficiency requirements.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and underfloor heating, mains gas
£1742.0/yr
Hot Water
£121.0/yr
Lighting
100.0% low energy
£191.0/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, insulated (assumed)
Windows
Fully double glazed
Floor
Solid, insulated (assumed)
Heating System
Boiler and underfloor heating, mains gas
Main Fuel
mains gas (not community)
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
Northaw Church of England Primary School
PrimaryLast inspected: Dec 2018
Little Heath Primary School
PrimaryLast inspected: Mar 2019
Oakmere Primary School
PrimaryLast inspected: Oct 2022
Mount Grace School
SecondaryLast inspected: Nov 2022
Ladbrooke Junior Mixed and Infant School
PrimaryLast inspected: Oct 2022
Chancellor's School
SecondaryCranborne Primary School
PrimaryLast inspected: Feb 2023
Pope Paul Catholic Primary School
PrimaryLast inspected: Sept 2022
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: 388 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.