Energy Performance Certificate
4-6 The Polygon
SO15 2BN
SOUTHAMPTON
Current
C
74
Potential
C
77
At a Glance
About This Property
This maisonette is located in SOUTHAMPTON, SO15 2BN. The property offers 230m² (2476 sq ft) of generously-sized living space with 2 habitable rooms. It is a period property with Victorian or earlier origins. The property holds an EPC rating of C (74/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. 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 £1859, comprising £1470 for heating, £251 for hot water, and £138 for lighting. The property produces 5.1 tonnes of CO2 per year, which is moderate for a UK home.
How Does 4-6 The Polygon Compare?
With an energy efficiency score of 74/100, this SOUTHAMPTON property is above average, performing better than 60% of UK properties. Annual energy costs of £1859 are close to the UK average. At 230m², 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 SO15 postcode district.
How This Property Compares
vs UK Average
vs SOUTHAMPTON
vs SO15
National Ranking: With an EPC score of 74/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £1278/year more than the SOUTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 29 Oct 2025
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Property Information
Full Address
4-6 The Polygon
SO15 2BN
SOUTHAMPTON
Property Type
Maisonette
Not Recorded
Construction Age
England and Wales: before 1900
Floor Area
230.0 m²
2.0 total rooms
2.0 heated
Tenure
Owner-occupied
Efficiency Score
74 / 100
Potential: 77
CO₂ Emissions
5.1 tonnes/year
22 kg/m²
Energy Consumption
121 kWh/m²/year
Last Inspected
29 Oct 2025
rental
About SOUTHAMPTON
SOUTHAMPTON is situated in Hampshire, South East. Properties in SOUTHAMPTON have an average EPC rating of D (score 63/100). This property performs better than most homes in the area. Heating costs are £889 above the local average, suggesting room for improvement. The SO15 postcode district contains over 18100 registered properties. Like many SOUTHAMPTON properties, this home features period architecture with character typical of Victorian-era construction.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£1470.0/yr
Save £239/yr
Hot Water
£251.0/yr
Save £15/yr
Lighting
100.0% low energy
£138.0/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Good lighting efficiency
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£404/yr
£4,040 over 10 years
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£404/yr
£4,040 over 10 years
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Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
Double Glazing
Your windows are rated Poor. Modern A-rated double glazing reduces drafts and heat loss.
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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
Springhill Catholic Primary School
PrimaryLast inspected: Mar 2022
St Anne's Catholic School
SecondaryLast inspected: Sept 2022
Banister Primary School
PrimaryLast inspected: Nov 2018
St Mary's Church of England Voluntary Controlled Primary School
PrimaryLast inspected: Oct 2023
St Mark's Church of England School
All-throughLast inspected: Oct 2022
Freemantle Church of England Community Academy
PrimaryLast inspected: Oct 2018
Hope Community School Southampton
PrimaryLast inspected: Feb 2022
Maytree Nursery and Infants' School
PrimaryLast inspected: Dec 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: 500 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.