Energy Performance Certificate
Flat 111 Keyes House, Dolphin Square
SW1V 3NA
LONDON
Current
C
74
Potential
B
83
At a Glance
About This Property
This terraced flat is located in LONDON, SW1V 3NA. The property offers 110mยฒ (1184 sq ft) of good-sized living space with 3 habitable rooms. It is a characterful interwar or early 20th century home. The property holds an EPC rating of C (74/100), meeting the government's target standard for energy efficiency. With recommended improvements, it could achieve a B rating (83/100). The walls feature cavity wall insulation for improved thermal efficiency. Single glazing is a significant source of heat loss, accounting for up to 25% of a home's heat escaping through windows. Upgrading to double glazing typically costs ยฃ400-ยฃ600 per window but improves thermal comfort and can reduce noise by up to 30dB. Estimated annual energy costs are ยฃ746, comprising ยฃ543 for heating, ยฃ137 for hot water, and ยฃ66 for lighting. The property produces 3.1 tonnes of CO2 per year, which is low for a UK home.
How Does Flat 111 Keyes House Compare?
With an energy efficiency score of 74/100, this LONDON property is above average, performing better than 60% of UK properties. Annual energy costs of ยฃ746 are approximately ยฃ1054 below the UK average of ยฃ1800, representing significant savings. The 110mยฒ floor area is above the UK average of 87mยฒ. At 3.1 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 SW1V postcode district.
How This Property Compares
vs UK Average
vs LONDON
vs SW1V
National Ranking: With an EPC score of 74/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: ยฃ202/year more than the LONDON average
Energy Efficiency Rating
๐ Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 31 Oct 2014
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Property Information
Full Address
Flat 111 Keyes House
Dolphin Square
SW1V 3NA
LONDON
Property Type
Flat
Mid-Terrace
Construction Age
England and Wales: 1930-1949
Floor Area
110.0 mยฒ
3.0 total rooms
3.0 heated
Tenure
rental (private)
Efficiency Score
74 / 100
Potential: 83
COโ Emissions
3.1 tonnes/year
29 kg/mยฒ
Energy Consumption
148 kWh/mยฒ/year
Last Inspected
31 Oct 2014
rental (private)
About LONDON
LONDON is situated in South West London, London. Properties in LONDON have an average EPC rating of D (score 64/100). The SW1V postcode district contains over 12900 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the LONDON area.
Location & Nearby Area
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Annual Energy Costs
Heating
Community scheme
ยฃ543.0/yr
Save ยฃ266/yr
Hot Water
ยฃ137.0/yr
Lighting
100.0% low energy
ยฃ66.0/yr
Building Elements
Walls
Cavity wall, as built, no insulation (assumed)
Roof
(another dwelling above)
Windows
Single glazed
Floor
(other premises below)
Heating System
Community scheme
Main Fuel
mains gas (community)
Lighting
Low energy lighting in all fixed outlets
Showing quick wins with fastest payback first
๐ฐ Save ยฃ665/year
With 3 selected upgrades
Future Energy Price Simulator
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Your Savings Today
ยฃ665/yr
ยฃ6,650 over 10 years
Move slider to see
ยฃ665/yr
ยฃ6,650 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
Air Source Heat Pump
Ultra-efficient heating with ยฃ7,500 government grant. OVO: MCS certified installation.
Double Glazing
Your windows are rated Very Poor. Modern A-rated double glazing reduces drafts and heat loss.
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๐ 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 โNearby Schools
Within 3 miles of this property
Pimlico Academy
SecondaryLast inspected: Oct 2021
Pimlico Primary
PrimaryLast inspected: Jun 2015
Churchill Gardens Primary Academy
PrimaryLast inspected: Jun 2023
St Gabriel's CofE Primary School
PrimaryLast inspected: Jul 2018
Millbank Academy
PrimaryLast inspected: May 2013
Burdett-Coutts and Townshend Foundation CofE Primary School
PrimaryLast inspected: Jan 2019
Wyvil Primary School and Resource Bases for Speech, Language and Communication Needs, and Autism
PrimaryLast inspected: Nov 2013
The Grey Coat Hospital
SecondaryLast inspected: Oct 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 SW1V 3NA
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All properties in SW1V โข 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.