Energy Performance Certificate
43a Southwark Close
SG1 4PG
STEVENAGE
Current
B
81
Potential
B
81
At a Glance
About This Property
This terraced maisonette is located in STEVENAGE, SG1 4PG. The property offers 36m² (388 sq ft) of compact living space with 2 habitable rooms. It is built during the 1980s construction period. With an EPC rating of B (81/100), 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. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. The loft insulation is rated very good, meeting or exceeding the recommended 270mm depth for optimal thermal performance. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £259, comprising £157 for heating, £67 for hot water, and £35 for lighting. The property produces 0.8 tonnes of CO2 per year, which is very low for a UK home. The property last sold in June 2025 for £169,000, with 2 recorded sales in our database.
How Does 43a Southwark Close Compare?
With an energy efficiency score of 81/100, this STEVENAGE property is excellent, ranking in the top 15% nationally. Annual energy costs of £259 are approximately £1541 below the UK average of £1800, representing significant savings. With 36m² of space, this is a more compact property compared to the UK average of 87m². CO2 emissions of 0.8 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 SG1 postcode district.
How This Property Compares
vs UK Average
vs STEVENAGE
vs SG1
National Ranking: With an EPC score of 81/100, this property is excellent and performs better than approximately 85% of UK homes for energy efficiency.
Top 15% nationally
Energy Costs: £365/year less than the STEVENAGE average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 31 May 2022
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Property Information
Full Address
43a Southwark Close
SG1 4PG
STEVENAGE
Property Type
Maisonette
Mid-Terrace
Construction Age
England and Wales: 1983-1990
Floor Area
36.0 m²
2.0 total rooms
2.0 heated
Tenure
Owner-occupied
Efficiency Score
81 / 100
Potential: 81
CO₂ Emissions
0.8 tonnes/year
23 kg/m²
Energy Consumption
128 kWh/m²/year
Last Inspected
31 May 2022
marketed sale
About STEVENAGE
STEVENAGE is situated in Hertfordshire, East of England. Properties in STEVENAGE have an average EPC rating of D (score 64/100). This property performs better than most homes in the area. Heating costs are £467 below the STEVENAGE average, offering good value. The SG1 postcode district contains over 19700 registered properties.
Location & Nearby Area
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Property Sale History
£169,000
5 June 2025
Type: Flat
vs previous sale
£160,000
25 June 2018
Type: Flat
Market Insights: This property has sold 2 times since 2015. Value has increased by 5.6% over this period.
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£157.0/yr
Hot Water
£67.0/yr
Lighting
100.0% low energy
£35.0/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 300 mm loft insulation
Windows
Fully double glazed
Floor
(another dwelling below)
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
Martins Wood Primary School
PrimaryThe Leys Primary and Nursery School
PrimaryLast inspected: Mar 2018
Giles Junior School
PrimaryLast inspected: Feb 2023
The Giles Infant and Nursery School
PrimaryLast inspected: Feb 2023
Round Diamond Primary School
PrimaryTrotts Hill Primary and Nursery School
PrimaryLast inspected: Nov 2022
Moss Bury Primary School and Nursery
PrimaryLast inspected: Jul 2022
The Nobel School
SecondaryLast inspected: Jun 2023
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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More Properties in SG1 4PG
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All properties in SG1 • 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.