Energy Performance Certificate
45 Grasmere
SG1 6AU
STEVENAGE
Current
A
94
Potential
A
98
At a Glance
About This Property
This semi-detached house is located in STEVENAGE, SG1 6AU. The property offers 88m² (947 sq ft) of good-sized living space with 5 habitable rooms. It is a 1990s-era home. With an EPC rating of A (94/100), 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 property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. 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 £710, comprising £477 for heating, £119 for hot water, and £114 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 £427,000, with 2 recorded sales in our database.
How Does 45 Grasmere Compare?
With an energy efficiency score of 94/100, this STEVENAGE property is outstanding, placing it in the top 3% of UK homes. Annual energy costs of £710 are approximately £1090 below the UK average of £1800, representing significant savings. The 88m² floor area is above 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 94/100, this property is excellent and performs better than approximately 97% of UK homes for energy efficiency.
Top 3% nationally
Energy Costs: £86/year more than the STEVENAGE average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 26 Aug 2021
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Property Information
Full Address
45 Grasmere
SG1 6AU
STEVENAGE
Property Type
House
Semi-Detached
Construction Age
England and Wales: 1996-2002
Floor Area
88.0 m²
5.0 total rooms
5.0 heated
Tenure
Owner-occupied
Efficiency Score
94 / 100
Potential: 98
CO₂ Emissions
0.8 tonnes/year
10 kg/m²
Energy Consumption
49 kWh/m²/year
Last Inspected
26 Aug 2021
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. The SG1 postcode district contains over 19700 registered properties.
Location & Nearby Area
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Property Sale History
£427,000
RECENT11 June 2025
Type: Semi-Detached
vs previous sale
£415,000
8 August 2022
Type: Semi-Detached
Market Insights: This property has sold 2 times since 2015. Value has increased by 2.9% over this period.
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£477.0/yr
Save £17/yr
Hot Water
£119.0/yr
Save £42/yr
Lighting
50.0% low energy
£114.0/yr
Save £38/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 200 mm loft insulation
Windows
Fully double glazed
Floor
Suspended, limited insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 50% of 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
Round Diamond Primary School
PrimaryMartins Wood Primary School
PrimaryThe Leys Primary and Nursery School
PrimaryLast inspected: Mar 2018
The Giles Infant and Nursery School
PrimaryLast inspected: Feb 2023
Giles Junior School
PrimaryLast inspected: Feb 2023
The Nobel School
SecondaryLast inspected: Jun 2023
Trotts Hill Primary and Nursery School
PrimaryLast inspected: Nov 2022
Lodge Farm 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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More Properties in SG1 6AU
Showing properties in the same postcode. Click to view detailed EPC data for each property.
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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.