At a Glance
This flat is located in WELWYN GARDEN CITY, AL7 1DB. The property offers 43.38m² (467 sq ft) of compact living space with 2 habitable rooms. It is a post-war property from the mid-20th century. With an EPC rating of D (62/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (69/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The property has modern timber frame or system-built walls, which typically offer good insulation properties when properly maintained. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £637, comprising £465 for heating, £125 for hot water, and £47 for lighting. The property produces 2.9 tonnes of CO2 per year, which is low for a UK home.
With an energy efficiency score of 62/100, this WELWYN GARDEN CITY property is around the national average for UK homes. Annual energy costs of £637 are approximately £1163 below the UK average of £1800, representing significant savings. With 43.38m² of space, this is a more compact property compared to the UK average of 87m². At 2.9 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 AL7 postcode district.
National Ranking: With an EPC score of 62/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £68/year more than the WELWYN GARDEN CITY average
Current Rating
Potential Rating
With recommended improvements
Based on assessment dated 23 Mar 2011
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Full Address
28, Haldens
AL7 1DB
WELWYN GARDEN CITY
Property Type
Flat
NO DATA!
Construction Age
England and Wales: 1950-1966
Floor Area
43.38 m²
2.0 total rooms
2.0 heated
Tenure
owner-occupied
Efficiency Score
62 / 100
Potential: 69
CO₂ Emissions
2.9 tonnes/year
67 kg/m²
Energy Consumption
401 kWh/m²/year
Last Inspected
23 Mar 2011
non marketed sale
WELWYN GARDEN CITY is situated in Hertfordshire, East of England. Properties in WELWYN GARDEN CITY have an average EPC rating of D (score 65/100). The AL7 postcode district contains over 13600 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the WELWYN GARDEN CITY area.
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Heating
Boiler and radiators, mains gas
£465.0/yr
Save £49/yr
Hot Water
£125.0/yr
Save £25/yr
Lighting
0.0% low energy
£47.0/yr
Save £24/yr
Walls
System built, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
No low energy lighting
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Your walls are rated Very Poor. Cavity fill is quick and cost-effective.
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See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Within 3 miles of this property
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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.
Average download speed: 500 Mbps
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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The surrounding area (1-mile radius) experiences higher crime levels
Anti-social behaviour
60 incidents (30%)
violent crime
46 incidents (23%)
Shoplifting
38 incidents (19%)
Public order
14 incidents (7%)
Theft
9 incidents (5%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
Showing properties in the same postcode. Click to view detailed EPC data for each property.
Explore nearby properties with EPC ratings in the AL7 postcode district
All properties in AL7 • Click to view detailed energy performance data
Based on this property's characteristics, these guides might help you:
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
The financial impact of poor energy efficiency on resale value and running costs.
Understanding A-G ratings, what each means, and how UK properties compare.
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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.