Energy Performance Certificate
4 Heather Hill, Chilworth Road
SO16 6JZ
Southampton
Current
B
88
Potential
B
90
At a Glance
About This Property
This detached house is located in Southampton, SO16 6JZ. The property offers 521m² (5608 sq ft) of generously-sized living space. With an EPC rating of B (88/100), this property is highly energy efficient, placing it in the top tier of UK homes. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. Estimated annual energy costs are £1103, comprising £804 for heating, £97 for hot water, and £202 for lighting. The property produces 4.4 tonnes of CO2 per year, which is moderate for a UK home.
How Does 4 Heather Hill Compare?
With an energy efficiency score of 88/100, this Southampton property is excellent, ranking in the top 15% nationally. Annual energy costs of £1103 are approximately £697 below the UK average of £1800, representing significant savings. At 521m², this property is significantly larger than the average UK home (87m²). At 4.4 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the SO16 postcode district.
How This Property Compares
vs UK Average
vs Southampton
vs SO16
National Ranking: With an EPC score of 88/100, this property is excellent and performs better than approximately 85% of UK homes for energy efficiency.
Top 15% nationally
Energy Costs: £696/year more than the Southampton average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 17 Mar 2021
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Property Information
Full Address
4 Heather Hill
Chilworth Road
SO16 6JZ
Southampton
Property Type
House
Detached
Construction Age
2018
Floor Area
521.0 m²
NaN total rooms
NaN heated
Tenure
Owner-occupied
Efficiency Score
88 / 100
Potential: 90
CO₂ Emissions
4.4 tonnes/year
8 kg/m²
Energy Consumption
52 kWh/m²/year
Last Inspected
17 Mar 2021
new dwelling
About Southampton
Southampton is situated in Hampshire, South East. Properties in Southampton have an average EPC rating of C (score 77/100). This property performs better than most homes in the area. Heating costs are £397 above the local average, suggesting room for improvement. The SO16 postcode district contains over 22700 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and underfloor heating, mains gas
£804.0/yr
Hot Water
£97.0/yr
Lighting
100.0% low energy
£202.0/yr
Building Elements
Walls
Average thermal transmittance 0.24 W/m-¦K
Roof
Average thermal transmittance 0.17 W/m-¦K
Windows
High performance glazing
Floor
Average thermal transmittance 0.12 W/m-¦K
Heating System
Boiler and underfloor heating, mains gas
Main Fuel
Gas: mains gas
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 →Broadband & Connectivity
Average download speed: 69 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.