Energy Performance Certificate
Flat 4, Dolphin House
SO14 2BR
SOUTHAMPTON
Current
D
58
Potential
D
58
At a Glance
About This Property
This terraced flat is located in SOUTHAMPTON, SO14 2BR. The property offers 53m² (570 sq ft) of modest-sized living space. With an EPC rating of D (58/100), this property is around the UK average for energy efficiency. The oil-fired central heating has poor efficiency. Oil boilers are more expensive to run than gas and have higher carbon emissions. Consider switching to a heat pump (eligible for £7,500 BUS grant) for significant long-term savings. Estimated annual energy costs are £620, comprising £302 for heating, £280 for hot water, and £38 for lighting. The property produces 2.3 tonnes of CO2 per year, which is low for a UK home.
How Does Flat 4 Compare?
With an energy efficiency score of 58/100, this SOUTHAMPTON property is around the national average for UK homes. Annual energy costs of £620 are approximately £1180 below the UK average of £1800, representing significant savings. With 53m² of space, this is a more compact property compared to the UK average of 87m². At 2.3 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 SO14 postcode district.
How This Property Compares
vs UK Average
vs SOUTHAMPTON
vs SO14
National Ranking: With an EPC score of 58/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £39/year more than the SOUTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 15 May 2014
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Property Information
Full Address
Flat 4
Dolphin House
134-135 High Street
SO14 2BR
SOUTHAMPTON
Property Type
Flat
End-Terrace
Construction Age
NO DATA!
Floor Area
53.0 m²
NaN total rooms
NaN heated
Tenure
unknown
Efficiency Score
58 / 100
Potential: 58
CO₂ Emissions
2.3 tonnes/year
43 kg/m²
Energy Consumption
255 kWh/m²/year
Last Inspected
15 May 2014
new dwelling
About SOUTHAMPTON
SOUTHAMPTON is situated in Hampshire, South East. Properties in SOUTHAMPTON have an average EPC rating of D (score 63/100). Heating costs are £279 below the SOUTHAMPTON average, offering good value. The SO14 postcode district contains over 14700 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, electric
£302.0/yr
Hot Water
£280.0/yr
Lighting
NaN% low energy
£38.0/yr
Building Elements
Walls
Average thermal transmittance 0.20 W/m-¦K
Roof
Average thermal transmittance 0.19 W/m-¦K
Windows
High performance glazing
Floor
(other premises below)
Heating System
Boiler and radiators, electric
Main Fuel
Electricity: electricity, unspecified tariff
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
St John's Primary and Nursery School
PrimaryLast inspected: Sept 2022
Hope Community School Southampton
PrimaryLast inspected: Feb 2022
St Mary's Church of England Voluntary Controlled Primary School
PrimaryLast inspected: Oct 2023
St Anne's Catholic School
SecondaryLast inspected: Sept 2022
Springhill Catholic Primary School
PrimaryLast inspected: Mar 2022
Maytree Nursery and Infants' School
PrimaryLast inspected: Dec 2022
Mount Pleasant Junior School
PrimaryLast inspected: Jun 2023
Banister Primary School
PrimaryLast inspected: Nov 2018
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: 463 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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Related Property Guides
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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.