Energy Performance Certificate
3, Mayfair Close
AL4 9TN
ST. ALBANS
Current
D
68
Potential
B
83
At a Glance
About This Property
This detached house is located in ST. ALBANS, AL4 9TN. The property offers 115m² (1238 sq ft) of good-sized living space with 6 habitable rooms. It is a 1990s-era home. With an EPC rating of D (68/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a B rating (83/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. 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 £932, comprising £611 for heating, £172 for hot water, and £149 for lighting. The property produces 4.2 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in July 2019 for £650,000.
How Does 3, Mayfair Close Compare?
With an energy efficiency score of 68/100, this ST. ALBANS property is around the national average for UK homes. Annual energy costs of £932 are approximately £868 below the UK average of £1800, representing significant savings. The 115m² floor area is above the UK average of 87m². At 4.2 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 AL4 postcode district.
How This Property Compares
vs UK Average
vs ST. ALBANS
vs AL4
National Ranking: With an EPC score of 68/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £185/year more than the ST. ALBANS average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 6 Mar 2019
Advertisement
Planning a Move? Get Expert Removals
We Got The Moves are professional removal specialists helping families and businesses move across the UK. Get a free, no-obligation quote today.
Ad • wegotthemove.co.uk
Property Information
Full Address
3, Mayfair Close
AL4 9TN
ST. ALBANS
Property Type
House
Detached
Construction Age
England and Wales: 1991-1995
Floor Area
115.0 m²
6.0 total rooms
6.0 heated
Tenure
owner-occupied
Efficiency Score
68 / 100
Potential: 83
CO₂ Emissions
4.2 tonnes/year
37 kg/m²
Energy Consumption
208 kWh/m²/year
Last Inspected
6 Mar 2019
marketed sale
About ST. ALBANS
ST. ALBANS is situated in Hertfordshire, East of England. Properties in ST. ALBANS have an average EPC rating of D (score 62/100). The AL4 postcode district contains over 8500 registered properties.
Location & Nearby Area
Scroll to load map
Property Sale History
£650,000
26 July 2019
Type: Detached
Annual Energy Costs
Heating
Boiler and radiators, mains gas
£611.0/yr
Save £76/yr
Hot Water
£172.0/yr
Save £89/yr
Lighting
10.0% low energy
£149.0/yr
Save £70/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
Pitched, 100 mm loft insulation
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in 10% of fixed outlets
Showing quick wins with fastest payback first
💰 Save £1,235/year
With 2 selected upgrades
Future Energy Price Simulator
Drag to see how rising prices affect your savings
Your Savings Today
£1,235/yr
£12,350 over 10 years
Move slider to see
£1,235/yr
£12,350 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
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.
Get FREE Quotes in St. Albans
Compare prices from trusted local tradesmen - no obligation, 100% free
Trusted by thousands of UK homeowners
Advertisement
📊 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
Sandringham School
SecondarySkyswood Primary & Nursery School
PrimarySt John Fisher Catholic Primary School, a Voluntary Academy
PrimaryWheatfields Junior Mixed School
PrimaryLast inspected: Jul 2023
Wheatfields Infants' and Nursery School
PrimarySandridge School
PrimaryLast inspected: Mar 2019
Oakwood Primary School
PrimaryLast inspected: Apr 2014
Beaumont School
SecondaryLast inspected: Mar 2014
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.
Getting Ripped Off by Your Local Tradesman in St. Albans?
Find out with a 100% FREE quote - costs nothing, no obligation
Area Safety
Crime levels are moderate in the surrounding area (1-mile radius)
Most Common Incidents
April 2026Anti-social behaviour
19 incidents (24%)
violent crime
13 incidents (16%)
Vehicle crime
12 incidents (15%)
Theft
10 incidents (13%)
Shoplifting
10 incidents (13%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
More Properties in AL4 9TN
Showing properties in the same postcode. Click to view detailed EPC data for each property.
More Properties in the AL4 Area
Explore nearby properties with EPC ratings in the AL4 postcode district
All properties in AL4 • Click to view detailed energy performance data
Related Property Guides
Based on this property's characteristics, these guides might help you:
How to Improve Your EPC Rating →
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Air Source Heat Pumps vs Gas Boilers →
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
How Much Does a Low EPC Cost You? →
The financial impact of poor energy efficiency on resale value and running costs.
What is a Good EPC Rating? →
Understanding A-G ratings, what each means, and how UK properties compare.
Advertisement
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.