Energy Performance Certificate
21 Lilac Road
SO16 3DA
SOUTHAMPTON
Current
C
72
Potential
C
78
At a Glance
About This Property
This semi-detached house is located in SOUTHAMPTON, SO16 3DA. The property offers 98m² (1055 sq ft) of good-sized living space with 6 habitable rooms. It is a characterful interwar or early 20th century home. The property holds an EPC rating of C (72/100), 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 £1020, comprising £761 for heating, £190 for hot water, and £69 for lighting. The property produces 2.6 tonnes of CO2 per year, which is low for a UK home. The property last sold in January 2015 for £173,000.
How Does 21 Lilac Road Compare?
With an energy efficiency score of 72/100, this SOUTHAMPTON property is above average, performing better than 60% of UK properties. Annual energy costs of £1020 are approximately £780 below the UK average of £1800, representing significant savings. The 98m² floor area is above the UK average of 87m². At 2.6 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 72/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £439/year more than the SOUTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 10 Oct 2025
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Property Information
Full Address
21 Lilac Road
SO16 3DA
SOUTHAMPTON
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1930-1949
Floor Area
98.0 m²
6.0 total rooms
6.0 heated
Tenure
Rented (private)
Efficiency Score
72 / 100
Potential: 78
CO₂ Emissions
2.6 tonnes/year
27 kg/m²
Energy Consumption
147 kWh/m²/year
Last Inspected
10 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). 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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Property Sale History
£173,000
30 January 2015
Type: Semi-Detached
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£761.0/yr
Save £55/yr
Hot Water
£190.0/yr
Lighting
96.0% low energy
£69.0/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
Pitched, 125 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
Good lighting efficiency
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View UK Property Insights →Nearby Schools
Within 3 miles of this property
Bassett Green Primary School
PrimaryLast inspected: Jul 2021
Swaythling Primary School
PrimaryLast inspected: Mar 2020
Cantell School
SecondaryLast inspected: Feb 2023
Highfield Church of England Primary School
PrimaryLast inspected: Jul 2022
Saint George Catholic Voluntary Aided College Southampton
SecondaryLast inspected: Jun 2023
Portswood Primary School
PrimaryLast inspected: Feb 2022
Bitterne Park Primary School
PrimaryLast inspected: Sept 2014
Mansbridge Primary School
PrimaryLast inspected: Nov 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.