Energy Performance Certificate
23 Chilworth Close, Chilworth
SO16 7JJ
SOUTHAMPTON
Current
A
92
Potential
A
93
At a Glance
About This Property
This semi-detached house is located in SOUTHAMPTON, SO16 7JJ. The property offers 118m² (1270 sq ft) of good-sized living space with 6 habitable rooms. It is a post-war property from the mid-20th century. With an EPC rating of A (92/100), 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. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £1212, comprising £895 for heating, £175 for hot water, and £142 for lighting. The property produces 0.9 tonnes of CO2 per year, which is very low for a UK home.
How Does 23 Chilworth Close Compare?
With an energy efficiency score of 92/100, this SOUTHAMPTON property is outstanding, placing it in the top 3% of UK homes. Annual energy costs of £1212 are approximately £588 below the UK average of £1800, representing significant savings. The 118m² floor area is above the UK average of 87m². CO2 emissions of 0.9 tonnes/year are less than half the UK household average, making this an environmentally friendly choice.
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 92/100, this property is excellent and performs better than approximately 97% of UK homes for energy efficiency.
Top 3% nationally
Energy Costs: £631/year more than the SOUTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 8 Feb 2024
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Property Information
Full Address
23 Chilworth Close
Chilworth
SO16 7JJ
SOUTHAMPTON
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1950-1966
Floor Area
118.0 m²
6.0 total rooms
6.0 heated
Tenure
Owner-occupied
Efficiency Score
92 / 100
Potential: 93
CO₂ Emissions
0.9 tonnes/year
8 kg/m²
Energy Consumption
39 kWh/m²/year
Last Inspected
8 Feb 2024
marketed sale
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 £314 above the local average, suggesting room for improvement. The SO16 postcode district contains over 22700 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the SOUTHAMPTON area.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£895.0/yr
Hot Water
£175.0/yr
Save £61/yr
Lighting
100.0% low energy
£142.0/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
Pitched, 100 mm loft insulation
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, 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
North Baddesley Junior School
PrimaryLast inspected: Feb 2023
North Baddesley Infant School
PrimaryLast inspected: Mar 2023
St Francis Church of England Primary School
PrimaryLast inspected: Oct 2011
Oakwood Primary School
PrimaryLast inspected: Mar 2022
Sinclair Primary and Nursery School
PrimaryLast inspected: Jan 2013
Nightingale Primary School
PrimaryLast inspected: Sept 2018
Cantell School
SecondaryLast inspected: Feb 2023
Knightwood Primary School
PrimaryLast inspected: Feb 2015
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: 165 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 2026Anti-social behaviour
3 incidents (43%)
Vehicle crime
2 incidents (29%)
Public order
1 incidents (14%)
violent crime
1 incidents (14%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
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All properties in SO16 • Click to view detailed energy performance data
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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.