Energy Performance Certificate
23, Old Watling Street, Flamstead
AL3 8HL
ST. ALBANS
Current
F
38
Potential
B
82
This F-Rated Property Costs Significantly More to Run
This Property
£1,655
estimated per year
UK Average
£1,800
per year
After Improvements
£696
potential per year
💰 Government Grants Available for This Property
🏛️ BUS Grant
£7,500
Off the cost of an air source heat pump. Available now — limited places.
Check Eligibility →🏠 ECO4 Scheme
Free
Free insulation & heating upgrades for eligible households on benefits or low income.
Check Eligibility →📉 0% VAT
Save ~20%
Zero VAT on heat pumps, insulation, and solar panels until 2027. Applies automatically.
Get Solar Quote →How to Improve This F-Rated Property
With the right upgrades, this property could reach a B rating — saving up to £959 per year. Improvements are ranked by return on investment.
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💰 Save £2,209/year
With 3 selected upgrades
Future Energy Price Simulator
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Your Savings Today
£2,209/yr
£22,090 over 10 years
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£2,209/yr
£22,090 over 10 years
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Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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Why Does This Property Have a F Rating?
This detached house is located in ST. ALBANS, AL3 8HL. The property offers 99m² (1066 sq ft) of good-sized living space with 5 habitable rooms. It is a characterful interwar or early 20th century home. Currently rated F (38/100) for energy efficiency, this property would benefit significantly from energy improvements. With recommended improvements, it could achieve a B rating (82/100). The property uses electric storage heaters, which charge overnight on cheaper electricity tariffs. While having low installation costs, running costs are typically higher than gas central heating. A heat pump could reduce electricity use by 60-70%. The walls feature cavity wall insulation for improved thermal efficiency. 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 £1655, comprising £1240 for heating, £286 for hot water, and £129 for lighting. The property produces 10.0 tonnes of CO2 per year, which is high for a UK home. The property last sold in June 2019 for £390,000.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 11 Aug 2014
What's Causing the Poor Energy Rating?
The EPC assessor rated each element of this property. Poor and average ratings are the biggest opportunities for improvement.
🧱 Walls
Cavity wall, as built, no insulation (assumed)
🏗️ Roof
Pitched, 300+ mm loft insulation
🪟 Windows
Fully double glazed
📦 Floor
Suspended, no insulation (assumed)
🔥 Heating
Electric storage heaters
🚿 Hot Water
NaN
💡 Lighting
0.0% low energy — No low energy lighting
Property Information
Full Address
23, Old Watling Street
Flamstead
AL3 8HL
ST. ALBANS
Property Type
House
Detached
Construction Age
England and Wales: 1930-1949
Floor Area
99.0 m²
5.0 total rooms
CO₂ Emissions
10.0 tonnes/year
103 kg/m²
Energy Consumption
579 kWh/m²/year
F-Rated Properties in ST. ALBANS
ST. ALBANS properties with F ratings are among the least energy efficient in the area. Properties in this postcode district (AL3) that have undergone improvement works have seen significant increases in EPC ratings and corresponding reductions in energy bills.
Location & Nearby Area
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Annual Running Costs — Current vs Potential
🔥 Heating
Electric storage heaters
£1240 /yr
Save £684/yr with improvements
🚿 Hot Water
£286 /yr
Save £205/yr with improvements
💡 Lighting
0.0% low energy
£129 /yr
Save £70/yr with improvements
💷 Sales History
Note: EPC improvements typically add 3–5% per band to property value. Moving from F to B could add significant value.
£390,000
D
Jun 2019
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Nearby Schools
Within 3 miles of this property
Flamstead Village School
PrimaryLast inspected: Jun 2023
Markyate Village School and Nursery
PrimaryLast inspected: Dec 2019
Slip End Village School
PrimaryLast inspected: Oct 2019
Gaddesden Row JMI School
PrimaryLast inspected: Oct 2023
Redbourn Primary School
PrimaryLast inspected: Oct 2022
Wood End School
PrimaryLast inspected: Nov 2008
Caddington Village School
PrimaryLast inspected: Feb 2019
Kensworth Church of England Academy
PrimaryLast inspected: Feb 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: 20 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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Area Safety
The surrounding area (1-mile radius) experiences very low crime levels
Most Common Incidents
April 2026violent crime
15 incidents (52%)
Anti-social behaviour
4 incidents (14%)
Criminal damage
4 incidents (14%)
Public order
2 incidents (7%)
Theft
1 incidents (3%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented.
Data Sources: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, Police.uk crime statistics.
Public sector information licensed under the Open Government Licence v3.0.