Energy Performance Certificate
Flat 8, 14, St. Marks Road
W11 1RQ
LONDON
Current
F
27
Potential
F
27
This F-Rated Property Costs Significantly More to Run
This Property
£1,515
estimated per year
UK Average
£1,800
per year
After Improvements
£1,515
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 F rating — saving up to £0 per year. Improvements are ranked by return on investment.
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£300/yr
£3,000 over 10 years
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£3,000 over 10 years
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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 maisonette is located in LONDON, W11 1RQ. The property offers 50.6m² (545 sq ft) of modest-sized living space. Currently rated F (27/100) for energy efficiency, this property would benefit significantly from energy improvements. Underfloor heating provides even heat distribution and works particularly well with heat pumps due to the lower water temperatures required. Estimated annual energy costs are £1515, comprising £1124 for heating, £311 for hot water, and £80 for lighting. The property produces 5.4 tonnes of CO2 per year, which is moderate for a UK home.
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Achievable Rating
With recommended improvements
Based on assessment dated 29 Nov 2010
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
Average thermal transmittance 0.62 W/m?K
🏗️ Roof
Average thermal transmittance 0.17 W/m?K
🪟 Windows
High performance glazing
📦 Floor
(other premises below)
🔥 Heating
Electric underfloor heating
🚿 Hot Water
NaN
💡 Lighting
5.0% low energy — Low energy lighting in 38% of fixed outlets
Property Information
Full Address
Flat 8
14, St. Marks Road
W11 1RQ
LONDON
Property Type
Maisonette
NO DATA!
Construction Age
NO DATA!
Floor Area
50.6 m²
NaN total rooms
CO₂ Emissions
5.4 tonnes/year
58 kg/m²
Energy Consumption
385 kWh/m²/year
F-Rated Properties in LONDON
LONDON properties with F ratings are among the least energy efficient in the area. Properties in this postcode district (W11) 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 underfloor heating
£1124 /yr
🚿 Hot Water
£311 /yr
💡 Lighting
5.0% low energy
£80 /yr
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Nearby Schools
Within 3 miles of this property
Thomas Jones Primary School
PrimaryLast inspected: May 2009
Kensington Aldridge Academy
SecondaryLast inspected: Dec 2017
Colville Primary School
PrimaryLast inspected: Feb 2019
Avondale Park Primary School
PrimaryLast inspected: Jun 2023
Saint Francis of Assisi Catholic Primary School
PrimaryLast inspected: Jul 2023
Oxford Gardens Primary School
PrimaryLast inspected: Mar 2023
St Clement and St James CofE Primary School
PrimaryLast inspected: Jun 2023
All Saints Catholic College
SecondaryLast 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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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.